@import"https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@20..48,400,0,0";:root{--bg: #0b0f14;--sidebar: #111827;--card: #141b2d;--card2: #1b2438;--border: #26324b;--accent: #4f7cff;--accent2: #7c5cfc;--teal: #00d4b4;--danger: #ff4d6d;--warn: #ffb347;--text: #e6edf8;--muted: #9aa6c5;--r: 12px;--shadow-sm: 0 6px 16px rgba(0, 0, 0, .25);--shadow-md: 0 12px 28px rgba(0, 0, 0, .35);--row-hover: rgba(79, 124, 255, .1);--row-alt: rgba(255, 255, 255, .02);--font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;--font-display: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif}html.light{--bg: #f4f6fb;--sidebar: #ffffff;--card: #ffffff;--card2: #f1f4fb;--border: #d5dbea;--accent: #3b6aff;--accent2: #6b4ef0;--teal: #00a896;--danger: #e6294a;--warn: #c87b00;--text: #0f172a;--muted: #64748b;--shadow-sm: 0 6px 16px rgba(15, 23, 42, .08);--shadow-md: 0 12px 28px rgba(15, 23, 42, .12);--row-hover: rgba(79, 124, 255, .08);--row-alt: rgba(15, 23, 42, .03)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);background:var(--bg);color:var(--text);height:100vh;overflow:hidden;font-size:14px;transition:background .25s,color .25s}a{color:inherit;text-decoration:none}.app-shell{display:flex;height:100vh;overflow:hidden;background:var(--bg)}.sidebar{width:252px;flex-shrink:0;background:var(--sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;height:100vh;overflow-y:auto}.sidebar::-webkit-scrollbar{width:0}.app-shell.sidebar-collapsed .sidebar{width:86px}.app-shell.sidebar-collapsed .nav-label,.app-shell.sidebar-collapsed .s-user-info,.app-shell.sidebar-collapsed .s-logo-text span,.app-shell.sidebar-collapsed .s-logo-text,.app-shell.sidebar-collapsed .s-section-label{display:none}.app-shell.sidebar-collapsed .s-logo{justify-content:center;padding:18px 10px;gap:0}.app-shell.sidebar-collapsed .s-collapse{margin:0 auto}.app-shell.sidebar-collapsed .s-nav{padding:12px 8px;align-items:center;gap:8px}.app-shell.sidebar-collapsed .s-item{justify-content:center;padding:10px;width:46px;height:46px;border-radius:12px;font-size:16px}.app-shell.sidebar-collapsed .s-item span[aria-hidden=true]{font-size:18px;line-height:1}.app-shell.sidebar-collapsed .s-sub,.app-shell.sidebar-collapsed .s-sub2{padding-left:0;margin-left:0;border-left:none;gap:8px;align-items:center}.app-shell.sidebar-collapsed .s-bottom{align-items:center;padding:10px 8px;gap:8px}.app-shell.sidebar-collapsed .s-user{justify-content:center;padding:8px;width:46px;height:46px;border-radius:12px}.app-shell.sidebar-collapsed .s-user span{display:none}.app-shell.sidebar-collapsed .s-logout{width:46px;height:40px;padding:0;font-size:0;position:relative}.app-shell.sidebar-collapsed .s-logout:before{content:"⏻";font-size:16px;color:var(--danger)}.s-logo{display:flex;align-items:center;justify-content:space-between;padding:22px 18px 18px;border-bottom:1px solid var(--border)}.s-logo-text{font-family:var(--font-display);font-size:18px;font-weight:800;letter-spacing:-.3px}.s-logo-text span{color:var(--accent)}.s-collapse{width:30px;height:30px;border-radius:8px;background:var(--card);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:12px;color:var(--muted)}.s-nav{padding:14px 10px;flex:1;display:flex;flex-direction:column;gap:2px}.s-item{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;cursor:pointer;color:var(--muted);font-weight:400;transition:all .18s;position:relative;font-size:14px}.s-item:hover{color:var(--text);background:#ffffff0a}.s-item.active{background:var(--accent);color:#fff;font-weight:500}.s-section-label{display:flex;align-items:center;justify-content:space-between;padding:14px 12px 6px;font-size:10px;font-weight:600;letter-spacing:1.2px;text-transform:uppercase;color:var(--muted)}.s-section-label button{width:22px;height:22px;background:var(--card2);border:1px solid var(--border);border-radius:6px;color:var(--muted);font-size:13px;cursor:pointer;display:flex;align-items:center;justify-content:center}.s-sub{padding-left:14px;border-left:1px solid var(--border);margin-left:20px;display:flex;flex-direction:column;gap:1px}.s-sub2{padding-left:10px;border-left:1px solid var(--border);margin-left:8px;display:flex;flex-direction:column;gap:1px}.s-bottom{padding:12px 10px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:6px}.s-user{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;background:var(--card);border:1px solid var(--border);cursor:pointer}.s-avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--accent2),var(--accent));display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;color:#fff;flex-shrink:0}.s-user-info{flex:1}.s-user-name{font-size:13px;font-weight:500}.s-user-role{font-size:11px;color:var(--muted)}.s-logout{display:flex;align-items:center;justify-content:center;gap:8px;padding:10px;border-radius:10px;background:#ff4d6d14;border:1px solid rgba(255,77,109,.2);color:var(--danger);font-weight:500;cursor:pointer;font-size:13px;transition:background .2s}.s-logout:hover{background:#ff4d6d26}.main{flex:1;display:flex;flex-direction:column;overflow:hidden}.topbar{height:60px;border-bottom:1px solid var(--border);background:var(--sidebar);display:flex;align-items:center;padding:0 28px;gap:14px;flex-shrink:0}.tb-title{font-family:var(--font-display);font-weight:700;font-size:16px;flex:1}.tb-sub{font-family:var(--font-body);font-weight:400;font-size:12px;color:var(--muted);margin-left:8px}.search{display:flex;align-items:center;gap:8px;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:7px 14px;width:220px}.search input{background:none;border:none;outline:none;color:var(--text);font-size:13px;font-family:inherit;width:100%}.search-wrapper{position:relative}.search-bar-row{display:flex;align-items:center;gap:10px}.search.search-input{position:relative;flex:1}.search.search-input.open{border-color:var(--accent);box-shadow:0 0 0 1px #4f7cff59}.search-clear{background:none;border:none;color:var(--muted);cursor:pointer;display:flex;align-items:center;justify-content:center}.search-clear span{font-size:16px}.search-filter-toggle{height:40px;padding:0 14px;border-radius:10px;border:1px solid var(--border);background:var(--card);color:var(--text);display:inline-flex;align-items:center;gap:8px;font-size:13px;cursor:pointer;transition:border-color .2s,box-shadow .2s}.search-filter-toggle span[aria-hidden=true]{font-size:18px;color:var(--muted)}.search-filter-toggle.open,.search-filter-toggle:hover{border-color:var(--accent);box-shadow:0 0 0 1px #4f7cff33}.search-filter-toggle .filter-count{color:var(--muted)}.search-filter-popover{position:absolute;top:calc(100% + 10px);right:0;width:200px;background:var(--card);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-md);padding:6px;z-index:30;display:flex;flex-direction:column;gap:4px}.search-filter-item{border:none;background:transparent;color:var(--text);text-align:left;padding:8px 10px;border-radius:8px;font-size:13px;cursor:pointer;transition:background .2s,color .2s}.search-filter-item:hover{background:var(--row-hover)}.search-filter-item.active{background:#4f7cff26;color:var(--accent)}.search-panel{position:absolute;top:calc(100% + 10px);right:0;width:380px;max-height:520px;overflow-y:auto;background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:0 24px 48px #0f172a2e;padding:12px;z-index:20}.search-empty{font-size:12px;padding:14px 12px;color:var(--muted)}.search-sections{display:flex;flex-direction:column;gap:10px}.search-section-title{font-size:10px;text-transform:uppercase;letter-spacing:1.6px;color:var(--muted);padding:6px 6px 4px}.search-section-list{display:flex;flex-direction:column;gap:6px}.search-result{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:12px;border:1px solid transparent;background:linear-gradient(90deg,rgba(255,255,255,.02),transparent);color:inherit;text-align:left;cursor:pointer;transition:background .2s,border-color .2s}.search-result:hover{background:#4f7cff14;border-color:#4f7cff40}.search-result span[aria-hidden=true]{font-size:18px;color:var(--accent);background:#4f7cff1f;width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center}.search-result-body{display:flex;flex-direction:column;gap:2px}.search-result-title{font-size:13px;font-weight:600;line-height:1.2}.search-result-meta{font-size:11px;color:var(--muted)}@media (max-width: 900px){.search-panel{right:auto;left:0;width:320px}.search-filter-popover{right:auto;left:0}}.theme-toggle{width:38px;height:38px;border-radius:9px;background:var(--card);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:16px;transition:background .2s,border-color .2s,transform .2s;flex-shrink:0}.theme-toggle:hover{background:var(--border);transform:rotate(15deg)}.ib{width:36px;height:36px;border-radius:9px;background:var(--card);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:14px;position:relative;transition:background .2s}.ib:hover{background:var(--border)}.avatar-btn{color:var(--text);font-weight:700}.avatar-btn:hover{background:var(--border)}.ib .dot{position:absolute;top:6px;right:7px;width:7px;height:7px;background:var(--danger);border-radius:50%;border:2px solid var(--bg)}.user-menu-btn{background:none;border:none;cursor:pointer;padding:0;border-radius:9px;transition:background .2s}.user-menu-btn:hover{background:var(--border)}.user-dropdown{position:absolute;top:60px;right:28px;background:var(--card);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--shadow-md);width:300px;max-height:400px;overflow-y:auto;z-index:1000}.dropdown-section{padding:16px;border-bottom:1px solid var(--border)}.dropdown-section:last-child{border-bottom:none}.dropdown-section h4{font-size:14px;font-weight:600;margin-bottom:8px;color:var(--text)}.notifications-list{display:flex;flex-direction:column;gap:8px}.notification-item{display:flex;align-items:center;gap:8px;padding:8px;border-radius:6px;background:var(--card2);font-size:12px}.notification-item.clickable{cursor:pointer;border:1px solid var(--border);transition:all .2s;background:var(--card2);color:var(--text);text-align:left;padding:10px;width:100%;margin-bottom:8px}.notification-item.clickable:hover{background:var(--border);border-color:var(--accent);transform:translate(4px)}.notification-icon{font-size:16px;flex-shrink:0}.notification-content{display:flex;flex-direction:column;gap:2px;flex:1}.notification-label{font-size:12px;font-weight:500;color:var(--text)}.notification-count{font-size:14px;font-weight:700;color:var(--accent)}.notification-arrow{font-size:14px;color:var(--muted);transition:all .2s;flex-shrink:0}.notification-item.clickable:hover .notification-arrow{color:var(--accent);transform:translate(4px)}.recent-videos-list{display:flex;flex-direction:column;gap:8px}.recent-video-item{display:grid;grid-template-columns:auto minmax(0,1fr);gap:10px;padding:10px 12px;border-radius:8px;background:var(--card2);border:1px solid var(--border);font-size:12px;align-items:center}.recent-video-icon{width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;background:#4f7cff1f;color:var(--accent);font-size:18px;flex-shrink:0}.recent-video-content{display:flex;flex-direction:column;gap:3px;min-width:0}.recent-video-title{font-weight:600;color:var(--text);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.recent-video-time{font-size:11px;color:var(--muted)}.recent-video-empty{padding:10px 12px;border-radius:8px;border:1px dashed var(--border);color:var(--muted);font-size:12px;text-align:center}.notification-icon{font-size:16px}.language-select{width:100%;padding:8px;background:var(--card2);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:12px}.language-buttons{display:flex;gap:6px;flex-wrap:wrap}.lang-btn{flex:1;min-width:70px;padding:8px 12px;background:var(--card2);border:1px solid var(--border);border-radius:6px;color:var(--text);cursor:pointer;font-size:12px;font-weight:500;transition:all .2s;display:flex;flex-direction:column;align-items:center;gap:4px}.lang-btn:hover{background:var(--border);border-color:var(--accent)}.lang-btn.active{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}.lang-icon{font-size:16px}.profile-access-btn{width:100%;display:flex;align-items:center;gap:12px;padding:12px;background:var(--card2);border:1px solid var(--border);border-radius:8px;color:var(--text);cursor:pointer;transition:all .2s;font-size:13px}.profile-access-btn:hover{background:var(--border);border-color:var(--accent);transform:translate(4px)}.profile-icon{font-size:20px;flex-shrink:0}.profile-btn-content{text-align:left;flex:1}.profile-name{font-weight:600;font-size:13px;color:var(--text)}.profile-status{font-size:11px;color:var(--muted);margin-top:2px}.profile-arrow{font-size:14px;color:var(--muted);transition:all .2s;flex-shrink:0}.profile-access-btn:hover .profile-arrow{color:var(--accent);transform:translate(4px)}.content{flex:1;overflow-y:auto;padding:28px}.content::-webkit-scrollbar{width:6px}.content::-webkit-scrollbar-thumb{background:var(--border);border-radius:10px}.page{display:block;animation:fadeUp .35s ease both}.detail-page{display:grid;gap:18px}.detail-page .page-head{margin-bottom:0}@keyframes fadeUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}.page-header{margin-bottom:24px}.page-header h1{font-family:var(--font-display);font-size:22px;font-weight:800;margin-bottom:4px}.page-header p{color:var(--muted);font-size:13px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}.grid-2r{display:grid;grid-template-columns:1fr 320px;gap:18px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--shadow-sm)}.card-p{padding:20px}.sec-hd{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.sec-hd h2{font-family:var(--font-display);font-size:14px;font-weight:700}.tag{display:inline-block;font-size:10px;font-weight:600;letter-spacing:.7px;text-transform:uppercase;padding:2px 9px;border-radius:20px}.tag-blue{background:#4f7cff26;color:var(--accent)}.tag-purple{background:#7c5cfc26;color:var(--accent2)}.tag-teal{background:#00d4b41f;color:var(--teal)}.tag-warn{background:#ffb3471f;color:var(--warn)}.tag-red{background:#ff4d6d1f;color:var(--danger)}.btn{padding:9px 18px;border-radius:12px;font-size:13px;font-family:inherit;font-weight:500;cursor:pointer;border:none;outline:none;transition:opacity .2s,transform .15s}.btn:hover{opacity:.88;transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn-primary{background:var(--accent);color:#fff}.btn-secondary{background:var(--card2);color:var(--text);border:1px solid var(--border)}.btn-danger{background:#ff4d6d1f;color:var(--danger);border:1px solid rgba(255,77,109,.25)}.btn-sm{padding:6px 13px;font-size:12px}.btn-full{width:100%}.field-group{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.field-label{font-size:12px;font-weight:500;color:var(--muted)}.field-input{background:var(--card2);border:1px solid var(--border);border-radius:9px;padding:10px 14px;color:var(--text);font-size:13px;font-family:inherit;outline:none;transition:border-color .2s;width:100%}.field-input:focus{border-color:var(--accent)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.search-row{display:flex;align-items:center;gap:10px;margin-bottom:14px}.divider{height:1px;background:var(--border);margin:18px 0}.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:18px 20px;transition:border-color .2s}.stat-card:hover{border-color:#4f7cff66}.stat-val{font-family:var(--font-display);font-size:28px;font-weight:800}.stat-lbl{font-size:12px;color:var(--muted);margin-top:2px}.stat-delta{font-size:11px;font-weight:600;margin-top:4px}.up{color:var(--teal)}.dn{color:var(--danger)}.progress-bar{height:4px;background:var(--border);border-radius:4px;overflow:hidden}.progress-fill{height:100%;border-radius:4px}.pf-blue{background:linear-gradient(90deg,var(--accent),var(--accent2))}.pf-teal{background:linear-gradient(90deg,var(--teal),var(--accent))}.pf-warn{background:linear-gradient(90deg,var(--warn),#ff7a00)}.pf-purple{background:linear-gradient(90deg,var(--accent2),var(--danger))}.avatar-sm{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#fff;flex-shrink:0}.status-pill{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600}.s-active{background:#00d4b41a;color:var(--teal)}.s-inactive{background:#6b74941a;color:var(--muted)}.s-pending{background:#ffb3471a;color:var(--warn)}.action-btns{display:flex;gap:6px}.icon-act{width:28px;height:28px;border-radius:7px;background:var(--card2);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:13px;transition:background .2s}.icon-act:hover{background:var(--border)}.icon-act.del:hover{background:#ff4d6d26;border-color:#ff4d6d4d}.welcome-banner{background:linear-gradient(120deg,#141b2e,#0e1117 70%);border:1px solid var(--border);border-radius:18px;padding:26px 30px;display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;position:relative;overflow:hidden}.welcome-banner:before{content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;background:radial-gradient(circle,rgba(79,124,255,.15) 0%,transparent 70%)}.wb-text h2{font-family:var(--font-display);font-size:20px;font-weight:800;margin-bottom:5px;margin-left:-10.5rem}.wb-text h2 em{font-style:normal;color:var(--accent)}.wb-text p{color:var(--muted);font-size:13px;max-width:360px;line-height:1.6}.wb-btns{display:flex;gap:10px;margin-top:16px}.wb-stats{display:flex;gap:16px;flex-shrink:0}.wbs{background:#ffffff0a;border:1px solid var(--border);border-radius:12px;padding:14px 20px;text-align:center}.wbs-val{font-family:var(--font-display);font-size:24px;font-weight:800;color:var(--accent)}.wbs-val.t{color:var(--teal)}.wbs-val.p{color:var(--accent2)}.wbs-lbl{font-size:11px;color:var(--muted);margin-top:2px}.chart-bars{display:flex;align-items:flex-end;gap:4px;height:90px;margin-top:12px}.chart-bar{flex:1;border-radius:4px 4px 0 0;position:relative;cursor:pointer;transition:opacity .2s}.chart-bar:hover{opacity:.8}.chart-bar:after{content:attr(data-v);position:absolute;top:-18px;left:50%;transform:translate(-50%);font-size:10px;color:var(--muted);white-space:nowrap}.chart-labels{display:flex;gap:4px;margin-top:6px}.chart-labels span{flex:1;text-align:center;font-size:10px;color:var(--muted)}.up-item{display:flex;align-items:flex-start;gap:11px;padding:12px 0;border-bottom:1px solid var(--border)}.up-item:last-child{border-bottom:none}.up-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;margin-top:5px}.up-time{margin-left:auto;font-size:11px;font-weight:600;background:#4f7cff1a;color:var(--accent);padding:2px 8px;border-radius:20px;white-space:nowrap}.leaderboard-row{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--border)}.leaderboard-row:last-child{border-bottom:none}.rank{font-family:var(--font-display);font-size:13px;font-weight:700;width:20px;color:var(--muted)}.rank.g{color:gold}.rank.s{color:silver}.rank.b{color:#cd7f32}.l-pts{font-size:12px;font-weight:600;color:var(--teal)}.activity-row{display:flex;align-items:flex-start;gap:11px;padding:11px 0;border-bottom:1px solid var(--border)}.activity-row:last-child{border-bottom:none}.act-ico{width:32px;height:32px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0}.ai-b{background:#4f7cff1f}.ai-t{background:#00d4b41a}.ai-p{background:#7c5cfc1f}.ai-w{background:#ffb3471a}.act-time{font-size:11px;color:var(--muted);margin-left:auto;flex-shrink:0}.assign-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:18px;display:flex;flex-direction:column;gap:10px;transition:border-color .2s,box-shadow .2s,transform .2s}.assign-card:hover{border-color:#4f7cff66;box-shadow:0 10px 24px #09102429;transform:translateY(-2px)}.assign-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.assign-title{font-weight:700;font-size:15px}.assign-subtitle{font-size:12px;color:var(--muted);margin-top:2px}.assign-status{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.6px}.assign-status.is-active{background:#00d4b41f;color:var(--teal)}.assign-status.is-closed{background:#ff4d6d1f;color:var(--danger)}.assign-meta{display:flex;gap:10px;flex-wrap:wrap}.assign-meta-item{background:var(--card2);border:1px solid var(--border);border-radius:999px;padding:4px 10px;font-size:11px;color:var(--muted)}.assign-note{font-size:11px;color:var(--muted);background:#4f7cff14;border:1px solid rgba(79,124,255,.15);border-radius:10px;padding:8px 10px}.assign-actions{display:flex;gap:8px;flex-wrap:wrap}.filter-sidebar{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:20px;height:fit-content}.filter-group{margin-bottom:20px}.filter-group h4{font-size:12px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.8px;margin-bottom:10px}.checkbox-item{display:flex;align-items:center;gap:9px;padding:5px 0;cursor:pointer;font-size:13px;color:var(--muted);transition:color .2s}.checkbox-item:hover{color:var(--text)}.cb{width:16px;height:16px;border-radius:4px;background:var(--card2);border:1.5px solid var(--border);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:10px;transition:all .2s;cursor:pointer}.cb.checked{background:var(--accent);border-color:var(--accent);color:#fff}.cpill{padding:7px 16px;border-radius:20px;background:var(--card);border:1px solid var(--border);font-size:13px;cursor:pointer;color:var(--muted);transition:all .2s}.cpill:hover,.cpill.active{background:var(--accent);color:#fff;border-color:var(--accent)}.explore-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);overflow:hidden;cursor:pointer;transition:transform .2s,border-color .2s}.explore-card:hover{transform:translateY(-3px);border-color:#4f7cff4d}.ec-thumb{height:130px;display:flex;align-items:center;justify-content:center;font-size:44px}.ec-body{padding:14px}.ec-rating{display:flex;align-items:center;gap:4px;font-size:12px;color:var(--warn);margin:6px 0}.ec-price{font-family:var(--font-display);font-size:15px;font-weight:700;color:var(--teal)}.explore-actions{display:grid;gap:8px;margin-top:10px}.upload-zone{border:2px dashed var(--border);border-radius:var(--r);padding:32px;text-align:center;cursor:pointer;transition:border-color .2s,background .2s;background:#ffffff03;position:relative}.upload-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:22px;align-items:start}.upload-main{display:grid;gap:20px}.upload-drop-card{min-height:220px;padding:20px}.upload-actions{display:flex;gap:10px;flex-wrap:wrap}.upload-side{align-self:start;padding:16px}.upload-zone:hover{border-color:var(--accent);background:#4f7cff0d}.upload-zone input[type=file]{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer;width:100%;height:100%}.upload-zone .uz-icon{font-size:38px;margin-bottom:10px}.upload-zone h3{font-size:15px;font-weight:700;margin-bottom:4px}.upload-zone p{font-size:12px;color:var(--muted)}@media (max-width: 1100px){.upload-layout{grid-template-columns:1fr}}.file-chip{display:inline-flex;align-items:center;gap:8px;background:var(--card2);border:1px solid var(--border);border-radius:8px;padding:6px 12px;font-size:12px}.file-chip .remove{cursor:pointer;color:var(--danger);font-size:14px;margin-left:4px}.video-item{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}.video-item:last-child{border-bottom:none}.vi-thumb{width:54px;height:38px;border-radius:7px;background:var(--card2);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;overflow:hidden}.vi-info{flex:1}.vi-name{font-size:13px;font-weight:500;margin-bottom:2px}.vi-meta{font-size:11px;color:var(--muted)}.profile-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.profile-hero{padding:22px;border-radius:18px;background:linear-gradient(120deg,#141a2c,#101520 60%,#0f141f);border:1px solid #20283a;display:grid;gap:18px;position:relative;overflow:hidden}.profile-hero:after{content:"";position:absolute;right:-140px;top:-140px;width:300px;height:300px;background:radial-gradient(circle,rgba(79,124,255,.2) 0%,transparent 70%)}.profile-hero-top{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center;position:relative;z-index:1}.profile-hero-text h2{margin:2px 0 6px;font-family:var(--font-display);font-size:22px}.profile-kicker{font-size:10px;letter-spacing:1.4px;text-transform:uppercase;color:var(--muted);font-weight:600}.profile-avatar-lg{width:88px;height:88px;border-radius:22px;background:linear-gradient(135deg,var(--accent2),var(--accent));display:grid;place-items:center;position:relative;box-shadow:0 10px 20px #4f7cff47}.profile-avatar-lg span{font-weight:800;font-size:24px;color:#fff}.profile-badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.status-dot{width:8px;height:8px;border-radius:999px;background:currentColor;display:inline-block;margin-right:6px}.profile-hero-meta{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;position:relative;z-index:1}.profile-meta-card{background:#0f1420b3;border:1px solid #232c3f;border-radius:12px;padding:12px 14px;display:grid;gap:6px}.meta-label{font-size:11px;letter-spacing:.6px;text-transform:uppercase;color:var(--muted);font-weight:600}.meta-value{font-weight:600;font-size:13px}.profile-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.profile-card-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.profile-edit-input{display:flex;gap:8px;flex:1;justify-content:flex-end}.profile-edit-input .field-input{min-width:120px;max-width:220px}.profile-card-head h3{margin:0 0 4px;font-family:var(--font-display);font-size:16px}.profile-pill{padding:6px 12px;border-radius:999px;background:#00d4b41f;border:1px solid rgba(0,212,180,.3);color:var(--teal);font-weight:600;font-size:12px}.profile-details{display:grid;gap:10px}.profile-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border-radius:12px;background:var(--card2);border:1px solid var(--border)}html.light .profile-hero{background:linear-gradient(120deg,#f3f6ff,#eef2ff 55%,#eaf0ff);border-color:#d6dcf5}html.light .profile-hero:after{background:radial-gradient(circle,rgba(59,106,255,.16) 0%,transparent 70%)}html.light .profile-avatar-lg{box-shadow:0 12px 22px #3b6aff40}html.light .profile-meta-card{background:#fff;border-color:#d6dcf5;box-shadow:0 6px 14px #14204c14}html.light .profile-pill{background:#00a8961f;border-color:#00a89659;color:#0f8f82}html.light .profile-card{background:#fff;border-color:#d6dcf5;box-shadow:0 10px 24px #14204c14}html.light .profile-row{background:#f2f5ff;border-color:#d6dcf5}html.light .meta-label,html.light .profile-kicker{color:#6c75a0}.my-progress-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.my-progress-card{background:var(--card);border:1px solid var(--border);border-radius:18px;overflow:hidden}.my-progress-head{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;padding:16px 18px;border-bottom:1px solid var(--border)}.my-course-icon{width:44px;height:44px;border-radius:12px;background:#4f7cff1f;display:flex;align-items:center;justify-content:center;font-size:20px}.my-course-title{font-weight:600;font-size:14px}.my-progress-body{padding:16px 18px 18px;display:grid;gap:12px}.my-progress-row{display:flex;align-items:center;justify-content:space-between}.my-progress-value{font-weight:600;font-size:13px}.my-progress-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:8px}.my-complete-row{display:grid;grid-template-columns:auto 1fr auto auto;gap:12px;align-items:center;padding:13px 16px;border-bottom:1px solid var(--border)}.my-complete-row:last-child{border-bottom:none}.my-complete-icon{width:34px;height:34px;border-radius:9px;background:#00d4b41a;display:flex;align-items:center;justify-content:center;font-size:16px}.cert-badge{display:inline-flex;align-items:center;gap:5px;font-size:11px;color:var(--teal);background:#00d4b414;padding:4px 10px;border-radius:20px;border:1px solid rgba(0,212,180,.2)}.my-courses-page{display:grid;gap:16px;animation:fadeUp .35s ease both}.my-courses-page h1{font-family:var(--font-display);font-size:24px;font-weight:800}.my-courses-tabs{display:inline-flex;gap:8px;background:var(--card);border:1px solid var(--border);padding:6px;border-radius:999px;width:fit-content}.my-courses-tab{border:0;background:transparent;color:var(--muted);padding:8px 16px;border-radius:999px;cursor:pointer;font-size:13px;font-weight:600;transition:all .2s}.my-courses-tab:hover{color:var(--text)}.my-courses-tab.active{background:var(--accent);color:#fff;box-shadow:0 8px 16px #4f7cff40}.my-courses-toolbar{display:grid;grid-template-columns:1fr 200px;gap:12px;align-items:center}.toolbar-search{position:relative}.toolbar-search .search-input{max-width:none;padding-left:38px}.toolbar-search:before{content:"search";font-family:Material Symbols Outlined;position:absolute;left:12px;top:50%;transform:translateY(-50%);font-size:18px;color:var(--muted)}.toolbar-sort{width:100%;color:var(--text);background:var(--card2);border:1px solid var(--border);border-radius:12px;padding:10px 12px;font-size:13px;font-family:inherit}.my-courses-list{display:grid;gap:14px}.my-course-card{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:14px;display:grid;grid-template-columns:220px 1fr auto;gap:16px;align-items:stretch;transition:border-color .2s,transform .2s}.my-course-card:hover{border-color:#4f7cff66;transform:translateY(-2px)}.my-course-thumb-wrap{position:relative;border-radius:14px;overflow:hidden;background:var(--card2);min-height:150px}.my-course-thumb{width:100%;height:100%;object-fit:cover;display:block}.my-course-thumb-fallback{height:100%;display:grid;place-items:center;font-weight:600;color:#fff;font-size:12px;letter-spacing:.6px;text-transform:uppercase}.thumb-0{background:linear-gradient(135deg,#3b82f6,#1d4ed8)}.thumb-1{background:linear-gradient(135deg,#22c55e,#0f766e)}.thumb-2{background:linear-gradient(135deg,#f59e0b,#b45309)}.thumb-3{background:linear-gradient(135deg,#ec4899,#7c3aed)}.my-course-body{display:grid;gap:10px}.my-course-topline{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.my-course-category{font-size:11px;font-weight:600;letter-spacing:.7px;text-transform:uppercase;color:var(--accent)}.my-course-certificate{font-size:11px;font-weight:600;padding:2px 8px;border-radius:999px;background:#00d4b41f;color:var(--teal)}.my-course-body h2{font-size:16px;font-weight:700;line-height:1.3}.my-course-progress-row{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}.progress-dot{width:8px;height:8px;border-radius:999px;background:var(--accent)}.my-course-progressbar{height:6px;background:var(--border);border-radius:999px;overflow:hidden}.my-course-progressbar span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--accent),var(--accent2))}.my-course-meta{display:flex;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:12px}.my-course-meta span{padding:4px 10px;border-radius:999px;background:var(--card2);border:1px solid var(--border)}.my-course-actions{display:flex;align-items:center;justify-content:flex-end}.my-course-button{min-width:96px}.my-learning{display:grid;gap:18px;animation:fadeUp .35s ease both}.my-learning-hero{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.my-learning-hero h1{font-family:var(--font-display);font-size:26px;font-weight:800}.view-toggle{display:inline-flex;background:var(--card);border:1px solid var(--border);padding:4px;border-radius:999px}.toggle-btn{border:0;background:transparent;color:var(--muted);padding:6px 14px;border-radius:999px;cursor:pointer;font-size:12px;font-weight:600}.toggle-btn.active{background:var(--accent);color:#fff}.my-learning-tabs{display:inline-flex;gap:8px;flex-wrap:wrap}.my-learning-tab{border:1px solid var(--border);background:var(--card2);color:var(--muted);border-radius:999px;padding:6px 14px;cursor:pointer;font-size:12px;font-weight:600}.my-learning-tab.active{background:var(--accent);color:#fff;border-color:var(--accent)}.my-learning-toolbar{display:grid;grid-template-columns:1fr 220px;gap:12px}.search-pill input{width:100%;background:var(--card2);border:1px solid var(--border);border-radius:999px;padding:10px 16px;color:var(--text)}.continue-strip{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px;display:grid;gap:12px}.strip-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.strip-scroll{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(200px,1fr);gap:12px;overflow-x:auto;padding-bottom:4px}.strip-card{background:var(--card2);border:1px solid var(--border);border-radius:12px;padding:12px;display:grid;gap:10px;align-items:center}.strip-thumb{border-radius:12px;overflow:hidden;height:90px}.strip-thumb img{width:100%;height:100%;object-fit:cover;display:block}.strip-thumb-fallback{height:100%}.my-learning-grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.my-learning-grid.list{grid-template-columns:1fr}.learning-card{background:var(--card);border:1px solid var(--border);border-radius:18px;overflow:hidden;display:grid;grid-template-rows:auto 1fr;transition:transform .2s,border-color .2s}.learning-card:hover{transform:translateY(-2px);border-color:#4f7cff66}.learning-thumb{position:relative;height:160px;overflow:hidden}.learning-thumb img{width:100%;height:100%;object-fit:cover;display:block}.learning-thumb-fallback{height:100%;display:grid;place-items:center;font-weight:600;color:#fff;background:linear-gradient(135deg,#3b82f6,#1d4ed8)}.bookmark{position:absolute;top:12px;right:12px;width:34px;height:34px;border-radius:12px;border:1px solid rgba(255,255,255,.2);background:#05081099;color:#fff;cursor:pointer}.bookmark.active{background:var(--accent2)}.badge{position:absolute;top:12px;left:12px;background:#00d4b433;color:var(--teal);padding:4px 8px;border-radius:999px;font-size:11px;font-weight:600}.badge-cert{background:#00d4b433;color:var(--teal)}.learning-body{padding:16px;display:grid;gap:10px}.learning-topline{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12px}.category-pill{background:#4f7cff29;color:var(--accent);padding:2px 8px;border-radius:999px;font-weight:600}.progress-row{display:flex;justify-content:space-between;gap:8px;font-size:12px;color:var(--muted)}.learning-meta{display:flex;flex-wrap:wrap;gap:8px;font-size:12px;color:var(--muted)}.explore-modern{display:grid;gap:22px;animation:fadeUp .35s ease both}.explore-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,360px);gap:18px;align-items:center;background:var(--card);border:1px solid var(--border);border-radius:18px;padding:18px 20px}.explore-hero h1{font-family:var(--font-display);font-size:26px;font-weight:800}.explore-hero .muted{font-size:12px}.search-wide input{width:100%;height:44px;padding:0 16px;border-radius:12px;background:var(--card2);border:1px solid var(--border);color:var(--text);transition:border-color .2s,box-shadow .2s}.search-wide input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #4f7cff26}.category-nav{display:flex;gap:8px;flex-wrap:wrap;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:10px 12px}.category-chip{padding:6px 14px;border-radius:999px;border:1px solid transparent;background:transparent;color:var(--muted);cursor:pointer;font-size:12px;font-weight:600;transition:all .2s ease}.category-chip.active{background:var(--accent);border-color:var(--accent);color:#fff}.category-chip:hover{border-color:var(--border);color:var(--text);background:var(--card2)}.featured-carousel{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px}.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}.carousel-track{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(220px,1fr);gap:12px;overflow-x:auto;padding-bottom:4px}.featured-card{background:var(--card2);border:1px solid var(--border);border-radius:12px;padding:12px;display:grid;gap:10px}.featured-thumb{border-radius:12px;min-height:72px;padding:0;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;color:#fff}.featured-thumb img{width:100%;height:100%;object-fit:cover;display:block}.explore-layout{display:grid;grid-template-columns:1fr;gap:18px}.explore-filters{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:14px;display:grid;gap:12px;height:fit-content}.filter-block h4{margin-bottom:8px}.explore-results{display:grid;gap:16px}.results-head{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:12px 14px}.results-head select{height:36px;border-radius:10px;border:1px solid var(--border);background:var(--card2);color:var(--text);padding:0 10px;font-size:12px}.explore-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}.market-card{background:var(--card);border:1px solid var(--border);border-radius:16px;overflow:hidden;display:grid;grid-template-rows:auto 1fr;transition:transform .2s,border-color .2s,box-shadow .2s;box-shadow:0 8px 18px #0f172a14}.market-card:hover{transform:translateY(-4px);border-color:#4f7cff59;box-shadow:0 12px 24px #0f172a1f}.market-thumb{position:relative;height:160px;cursor:pointer}.market-thumb img,.market-thumb .thumb-fallback{width:100%;height:100%;object-fit:cover;display:block}.market-thumb .thumb-fallback{display:flex;align-items:center;justify-content:center}.thumb-token{display:inline-flex;align-items:center;justify-content:center;padding:8px 12px;border-radius:999px;background:#00000047;border:1px solid rgba(255,255,255,.3);color:#fff;font-size:13px;font-weight:700}.badge-accent{background:#ffb3472e;color:var(--warn)}.wishlist{position:absolute;right:10px;top:10px;width:32px;height:32px;border-radius:999px;border:1px solid rgba(255,255,255,.2);background:#05081099;color:#fff;cursor:pointer}.wishlist.active{background:var(--accent2)}.market-body{padding:14px 16px 16px;display:grid;gap:10px}.market-body h3{font-size:15px;line-height:1.3}.market-body .btn{width:100%}.rating-row,.meta-row,.price-row{display:flex;gap:8px;align-items:center;font-size:12px}.price-row .strike{text-decoration:line-through}.recommend-section{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px;display:grid;gap:10px}.recommend-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px}.recommend-card{background:var(--card2);border:1px solid var(--border);border-radius:12px;padding:12px;display:grid;gap:4px}@media (max-width: 1100px){.my-course-card{grid-template-columns:1fr}.my-course-actions{justify-content:flex-start}.my-courses-toolbar,.explore-layout{grid-template-columns:1fr}}@media (max-width: 640px){.my-courses-tabs{width:100%;justify-content:space-between}.my-courses-tab{padding:8px 10px;font-size:12px}.my-learning-toolbar,.explore-grid{grid-template-columns:1fr}.market-thumb{height:180px}.explore-hero{grid-template-columns:1fr}}.auth-page{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-card{width:min(460px,100%);background:var(--card);border:1px solid var(--border);border-radius:18px;padding:28px;display:grid;gap:10px}.auth-card label{font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.3px}.auth-card input,.auth-card textarea,.admin-form input,.admin-form textarea,.admin-form select,.search-input,.table-card input,.table-card textarea,.table-card select,.stack-item input,.stack-item textarea,.stack-item select,.assignment-card input,.assignment-card textarea,.assignment-card select,.assignment-side-card input,.assignment-side-card select,.mock-form input,.mock-form textarea,.mock-form select,.assignment-workspace input,.assignment-workspace textarea,.assignment-workspace select{width:100%;color:var(--text);background:var(--card2);border:1px solid var(--border);border-radius:12px;padding:10px 12px;transition:border-color .2s,box-shadow .2s,background .2s}.auth-card input:focus,.auth-card textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #4f7cff26}.admin-form input:focus,.admin-form textarea:focus,.admin-form select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #4f7cff26}.auth-footer{margin-top:12px;color:var(--muted)}.page-head{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:18px}.admin-form{display:grid;gap:12px;padding:20px}.admin-form h2{font-family:var(--font-display);font-size:18px;margin-bottom:4px}.admin-form-wide{width:100%;margin:0 auto;border:1px solid var(--border);border-radius:18px;background:var(--card);box-shadow:0 18px 40px #121f3e14}.admin-form-wide h2{margin-bottom:10px}.admin-form h3{font-family:var(--font-display);font-size:14px;margin-bottom:6px}.admin-form-grid{display:grid;gap:14px;grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}.admin-form-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px;display:grid;gap:10px;box-shadow:0 12px 30px #121f3e0f}.admin-type-card{padding:12px;margin-top:6px}.admin-form label{font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.3px;margin-top:4px}.admin-form .btn{width:fit-content;padding:10px 18px}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}@media (max-width: 980px){.admin-form-grid{grid-template-columns:1fr}}.search-input{max-width:320px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}.course-card,.section-card,.course-hero,.admin-form,.table-card,.profile-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px;box-shadow:var(--shadow-sm)}.course-card .card-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.course-card h3{font-family:var(--font-display);font-size:16px;margin:0}.course-card .price-tag{background:#4f7cff2e;color:var(--text);border:1px solid rgba(79,124,255,.4);padding:4px 8px;border-radius:999px;font-size:12px;white-space:nowrap}.course-card .card-desc{margin:8px 0 12px;color:var(--text);opacity:.9}.course-card .price{font-weight:600}.course-hero{display:grid;gap:10px;border-radius:18px;background:linear-gradient(135deg,#4f7cff2e,#7c5cfc14);position:relative;overflow:hidden}.course-hero:after{content:"";position:absolute;right:-120px;top:-120px;width:260px;height:260px;background:radial-gradient(circle,rgba(79,124,255,.25) 0%,transparent 70%)}.course-hero>*{position:relative;z-index:1}.course-hero h1{font-family:var(--font-display);font-size:22px;font-weight:800}.course-hero p{line-height:1.6}.course-hero .btn{width:fit-content}.course-hero+h2{margin-top:16px;font-family:var(--font-display);font-size:16px;font-weight:700}.section-card{border-radius:16px}.section-card summary{cursor:pointer;font-weight:600;list-style:none;display:flex;align-items:center;justify-content:space-between;padding:6px 0}.section-card summary::-webkit-details-marker{display:none}.section-lectures{display:grid;gap:8px;margin-top:12px}.lecture-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px;background:var(--card2);border:1px solid var(--border);border-radius:12px;cursor:pointer;color:var(--text);transition:border-color .2s,transform .2s}.lecture-row:hover:not(:disabled){border-color:#4f7cff66;transform:translateY(-1px)}.lecture-row:disabled{opacity:.6;cursor:not-allowed}.detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:16px}.detail-grid .section-card h2{font-family:var(--font-display);font-size:15px;font-weight:700;margin-bottom:8px}.dashboard-course-links{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.assignment-workspace{margin-top:16px;display:grid;gap:12px}.assignment-create-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:18px;align-items:start}.assignment-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:20px;display:grid;gap:14px}.assignment-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.assignment-card-head h2{font-family:var(--font-display);font-size:16px;font-weight:700}.form-section{display:grid;gap:6px}.assignment-attachments{border-top:1px solid var(--border);padding-top:14px;display:grid;gap:10px}.attachments-title{font-size:12px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:1px}.attachments-drop{border:1px dashed #2f3a54;border-radius:12px;padding:16px;display:grid;gap:8px;align-items:center;justify-items:start;background:#ffffff05}.attachments-drop strong{display:block;font-size:13px}.attachments-icon{font-size:20px}.file-input{border:1px solid var(--border);background:var(--card2);color:var(--text);border-radius:10px;padding:8px 10px;font-size:12px}.submission-requirements{border-top:1px solid var(--border);padding-top:14px;display:grid;gap:8px}.assignment-actions{display:flex;gap:10px;flex-wrap:wrap}.assignment-sidebar{display:grid;gap:16px}.assignment-side-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px;display:grid;gap:10px}.assignment-side-card h3{font-size:14px;font-weight:700}.toggle-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text)}.toggle-row input{width:16px;height:16px}.assignment-view{display:grid;gap:16px}.assignment-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.assignment-search{width:min(320px,100%)}.assignment-search input{width:100%;background:var(--card2);border:1px solid var(--border);border-radius:12px;padding:10px 12px 10px 36px;color:var(--text);font-family:inherit}.assignment-search{position:relative}.assignment-search:before{content:"🔎";position:absolute;left:12px;top:50%;transform:translateY(-50%);font-size:14px;color:var(--muted)}.assignment-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}.assignment-item-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px;display:grid;gap:10px}.assignment-card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.assignment-card-top h3{font-size:15px;font-weight:700;margin-bottom:4px}.assignment-status{font-size:11px;font-weight:700;padding:4px 10px;border-radius:999px;background:#4f7cff2e;color:var(--accent);border:1px solid rgba(79,124,255,.35)}.assignment-status.closed{background:#ff4d6d1f;border-color:#ff4d6d47;color:var(--danger)}.assignment-meta{display:flex;gap:12px;flex-wrap:wrap;font-size:12px;color:var(--muted)}.assignment-progress{height:4px;background:var(--border);border-radius:999px;overflow:hidden}.assignment-progress span{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2))}.assignment-card-actions{display:flex;align-items:center;gap:8px}.mock-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,380px);gap:18px;align-items:start}.mock-list{display:grid;gap:12px}.mock-list-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px;display:grid;gap:12px}.mock-list-head h2{font-family:var(--font-display);font-size:16px;margin-bottom:6px}.mock-list-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.mock-filter select{width:min(360px,100%)}.mock-list-body{display:grid;gap:10px}.mock-item{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:14px;border-radius:14px;border:1px solid var(--border);background:var(--card)}.mock-item-icon{width:40px;height:40px;border-radius:12px;background:#4f7cff2e;display:grid;place-items:center;font-size:18px}.mock-item-content{display:grid;gap:4px;font-size:13px}.mock-item-actions{display:flex;gap:8px}.mock-form{border-radius:16px;padding:18px;display:grid;gap:12px}.mock-form-head h2{font-family:var(--font-display);font-size:16px}.mock-builder{border:1px solid var(--border);border-radius:14px;padding:14px;display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--card2)}.mock-type-hint{border:1px dashed #2f3a54;border-radius:12px;padding:10px 12px;background:#ffffff05;font-size:12px}html.light .assignment-card,html.light .assignment-side-card,html.light .mock-form,html.light .mock-item,html.light .mock-list-card{background:#fff;border-color:#d6dcf5;box-shadow:0 10px 24px #14204c0f}html.light .assignment-attachments,html.light .submission-requirements,html.light .mock-type-hint{border-color:#d6dcf5}html.light .attachments-drop{background:#f5f7ff;border-color:#d6dcf5}html.light .mock-builder{background:#f2f5ff;border-color:#d6dcf5}.mcq-options{display:grid;gap:8px;margin-top:10px}.mcq-option{display:flex;align-items:center;gap:10px;padding:10px 12px;background:var(--card2);border:1px solid var(--border);border-radius:12px;cursor:pointer;transition:border-color .2s,transform .2s}.mcq-option:hover{border-color:#4f7cff66;transform:translateY(-1px)}.mcq-option input{margin:0}.card-row{display:flex;justify-content:space-between;align-items:center}.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text)}.btn-outline.active{background:#4f7cff38;border-color:#4f7cffa6}.muted{color:var(--muted)}.btn-link{background:none;border:none;color:var(--accent);padding:0;font-size:12px;cursor:pointer}.btn-link:hover{text-decoration:underline}.preserve-whitespace{white-space:pre-wrap}.assignment-preview{display:grid;gap:6px}.assignment-modal-card{max-width:720px;width:min(720px,92vw)}.assignment-modal-body{font-size:13px;color:var(--text);background:var(--card2);border:1px solid var(--border);border-radius:10px;padding:12px;max-height:60vh;overflow:auto}.modal-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.revenue-icon-wrap{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:7px;border:1px dashed var(--border);color:var(--muted);background:var(--card2)}.revenue-icon-wrap .material-symbols-outlined{font-size:18px}.error-text{color:var(--danger)}.success-text{color:var(--teal)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}.dashboard-page{display:grid;gap:18px}.dashboard-hero{display:grid;grid-template-columns:1.1fr 1fr;gap:16px;background:var(--card);border:1px solid var(--border);border-radius:16px;padding:18px}.dashboard-hero-actions{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap}.dashboard-columns{display:grid;grid-template-columns:1.35fr .8fr;gap:16px}.dashboard-main,.dashboard-side{display:grid;gap:12px}.dashboard-course-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.dashboard-course-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:14px;display:grid;gap:6px}.assignment-item{border-left:3px solid rgba(79,124,255,.5)}.assignment-title{margin:0;font-weight:600}.assignment-meta{margin-top:8px;display:flex;align-items:center;justify-content:space-between;gap:8px}.status-0{background:#00d4b424;border-color:#00d4b447}.status-1{background:#ffbc6b2e;border-color:#ffbc6b59}.status-2{background:#4f7cff2e;border-color:#4f7cff59}.role-tag{display:inline-flex;align-items:center;padding:4px 8px;border-radius:999px;background:#4f7cff2e;border:1px solid rgba(79,124,255,.32);font-size:12px}.role-badge{padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600}.rb-admin{background:#ff4d6d1f;color:var(--danger)}.rb-instr{background:#7c5cfc1f;color:var(--accent2)}.rb-student{background:#4f7cff1f;color:var(--accent)}.management-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:16px;align-items:start}.assignment-view-mode{grid-template-columns:1fr}.assignment-inner-nav{display:flex;gap:8px;margin:0 0 12px}.data-table{width:100%;border-collapse:collapse}.data-table th,.data-table td{padding:12px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}.assignment-title{max-width:260px;word-break:break-word}.data-table th{color:var(--muted);font-weight:600}.data-table tbody tr:hover{background:var(--row-hover)}.data-table tbody tr:nth-child(2n){background:var(--row-alt)}.table-actions{display:flex;justify-content:flex-end;padding:10px 12px 6px}.view-more-btn{display:inline-flex;align-items:center;gap:6px}.table-footer{margin-top:14px;display:flex;justify-content:space-between;gap:12px;align-items:center}.detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;align-items:start}.detail-item{background:var(--card2);border:1px solid var(--border);border-radius:12px;padding:12px}.pager{display:flex;align-items:center;gap:10px}.pagination{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.pagination-btn{height:36px;min-width:36px;padding:0 12px;border-radius:999px;border:1px solid rgba(139,160,184,.45);background:#f2f8fcd9;color:#4f7ca3;font-weight:600;line-height:1;cursor:pointer;transition:transform .15s ease,background .15s ease,border-color .15s ease,color .15s ease}.pagination-btn:hover:enabled{border-color:#688cad99;background:#fff;transform:translateY(-1px)}.pagination-btn:disabled{opacity:.45;cursor:not-allowed}.pagination-nav{padding-inline:16px}.pagination-page.active{border-color:#45b74f;background:#45b74f;color:#fff;box-shadow:0 6px 16px #45b74f59}.pagination-ellipsis{min-width:36px;height:36px;padding:0 10px;border-radius:999px;border:1px solid rgba(139,160,184,.4);background:#f2f8fca6;color:#7e96ad;display:inline-flex;align-items:center;justify-content:center;-webkit-user-select:none;user-select:none}.tag-row{display:flex;gap:8px;flex-wrap:wrap}.stack-list{display:grid;gap:10px}.stack-item{padding:12px;border-radius:12px;background:var(--card2);border:1px solid var(--border)}.assignment-admin{--assignment-accent: #2b6ef3;--assignment-accent-strong: #1d4ed8;--assignment-accent-soft: rgba(43, 110, 243, .12);--assignment-surface: #f7f9ff;--assignment-surface-strong: #eef2ff;--assignment-border: rgba(25, 45, 85, .08)}.assignment-admin-card{background:linear-gradient(180deg,var(--assignment-surface) 0%,var(--assignment-surface-strong) 100%);border:1px solid var(--assignment-border);box-shadow:0 18px 40px #121f3e14}.assignment-admin-head{padding:14px 16px;margin:-12px -12px 12px;border-radius:16px;background:linear-gradient(120deg,#2b6ef324,#0ea5e91a);border:1px solid rgba(43,110,243,.18)}.assignment-admin-actions{display:flex;gap:10px;align-items:center}.assignment-admin-head strong{font-family:var(--font-display);font-size:16px;letter-spacing:.2px}.assignment-admin-select{min-width:220px;border-radius:999px;padding-inline:14px;border:1px solid rgba(43,110,243,.25);background:#fff;box-shadow:0 6px 12px #2b6ef314}.assignment-admin-search input{border-radius:999px;border:1px solid rgba(43,110,243,.2);background:#fff;box-shadow:0 6px 12px #1118270d}.course-group{display:flex;flex-direction:column;gap:10px}.course-group+.course-group{margin-top:8px}.course-group-title{font-family:var(--font-display);font-size:15px;color:var(--text);margin:6px 0 2px;padding:8px 12px;border-radius:12px;background:#2b6ef314;border:1px solid rgba(43,110,243,.18)}.assignment-admin-title{font-family:var(--font-display);font-size:15px;letter-spacing:.3px;text-transform:uppercase;color:#2b3b55}.assignment-admin-list{gap:12px}.assignment-admin-item{position:relative;border-radius:16px;border:1px solid rgba(43,110,243,.12);background:#fff;box-shadow:0 12px 24px #16223f0f;overflow:hidden;transition:transform .2s ease,box-shadow .2s ease;animation:assignmentLift .35s ease both}.assignment-admin-item:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at top left,rgba(43,110,243,.08),transparent 55%);pointer-events:none}.assignment-admin-item:hover{transform:translateY(-2px);box-shadow:0 18px 36px #16223f1f}.assignment-admin-item h3{font-family:var(--font-display);font-size:18px;margin-bottom:6px}.assignment-admin-item .muted{color:#526079}.assignment-status-pill{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--assignment-accent-strong);background:var(--assignment-accent-soft);border:1px solid rgba(43,110,243,.18)}@keyframes assignmentLift{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.builder-card{border:1px solid var(--border);border-radius:12px;padding:12px;background:#ffffff05;display:grid;gap:10px}.exam-form{max-width:920px}.exam-builder{border-color:#00d4b43d;background:linear-gradient(180deg,#00d4b412,#00d4b405)}.exam-question-card{border-color:#00d4b438}.mcq-answer-list{padding:8px 10px;border:1px dashed #394052;border-radius:10px}.assignment-view-card{background:linear-gradient(180deg,#10141d,#0d1119);border-color:#253045}.assignment-view-head{align-items:flex-start}.assignment-view-head p{margin:4px 0 0}.assignment-kpis{display:flex;gap:8px;flex-wrap:wrap}.assignment-filters{display:grid;grid-template-columns:1.1fr 1fr .8fr;gap:10px;margin-bottom:12px}.assignment-table td,.assignment-table th{border-bottom-color:#29344a}.assignment-table tbody tr:hover{background:#4f7cff14}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.phone-row{grid-template-columns:120px 1fr;align-items:center}.phone-row .phone-code input{text-align:center;font-weight:600}.phone-row .phone-number input{letter-spacing:.5px}@media (max-width: 520px){.phone-row{grid-template-columns:1fr}.phone-row .phone-code input{text-align:left}}.checkbox{display:flex;gap:8px;align-items:center}.checkbox input{width:auto;flex:0 0 auto;margin:0}.toast-root{position:fixed;right:20px;top:20px;display:grid;gap:10px;z-index:1200;width:min(360px,calc(100vw - 24px))}.toast{border-radius:12px;border:1px solid var(--border);background:var(--card2);color:var(--text);padding:10px 12px;display:flex;align-items:center;justify-content:space-between;gap:10px;box-shadow:0 12px 28px #00000057}.toast-success{border-color:#00d4b466;background:#00d4b41a}.toast-error{border-color:#ff4d6d66;background:#ff4d6d1a}.toast-info{border-color:#4f7cff66;background:#4f7cff1a}.toast-close{border:0;background:transparent;color:var(--muted);cursor:pointer;font-size:14px;line-height:1}.field-error{margin:6px 0 10px;color:#e11d48;font-size:12px;font-weight:600}.payment-modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#020408bf;display:grid;place-items:center;z-index:1100;padding:16px}.payment-modal-card{width:min(680px,100%);background:var(--card);border:1px solid #2b3241;border-radius:16px;padding:18px;display:grid;gap:14px;margin-top:0;max-height:calc(100vh - 40px);overflow:auto}.course-edit-modal-card{width:min(760px,100%)}.course-edit-form{display:grid;gap:12px;background:transparent;border:0;border-radius:0;padding:2px 0}.course-edit-field{display:grid;gap:6px}.course-edit-field label{font-size:12px;font-weight:600;color:var(--muted)}.course-edit-form textarea{resize:vertical;min-height:120px;line-height:1.45}.course-edit-row{gap:12px}.course-edit-actions{display:flex;justify-content:flex-end}.payment-options-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.payment-option{border:1px solid #343d52;border-radius:12px;background:#121824;color:var(--text);min-height:110px;display:grid;align-content:center;justify-items:center;gap:8px;cursor:pointer;font-weight:600}.payment-option:hover{border-color:var(--primary)}.payment-option-esewa .payment-logo{color:#83d86a}.payment-option-khalti .payment-logo{color:#b08cff}.payment-logo{font-size:1.45rem;font-weight:800}.payment-return-page{max-width:780px}@media (max-width: 960px){.app-shell{flex-direction:column}.sidebar{width:100%;height:auto;position:sticky;top:0;z-index:10}.main{height:auto}.management-grid,.detail-grid,.dashboard-hero,.dashboard-columns{grid-template-columns:1fr}.stat-card-wide{grid-column:span 1}.table-footer{flex-direction:column;align-items:flex-start}.pagination{justify-content:flex-start}.course-edit-row,.assignment-filters,.assignment-create-grid,.mock-grid{grid-template-columns:1fr}.profile-grid,.profile-hero-meta{grid-template-columns:1fr}.profile-hero-top{grid-template-columns:1fr;justify-items:start}.my-course-actions{justify-content:flex-start}.my-course-body h2{font-size:1.4rem}.assignment-filters{grid-template-columns:1fr}.toast-root{right:12px;left:12px;top:12px;width:auto}.payment-options-grid{grid-template-columns:1fr}}.course-detail-page{width:100%;background:var(--bg)}.course-detail-layout{display:grid;grid-template-columns:1fr 360px;gap:2rem;max-width:1400px;margin:0 auto;padding:2rem}.course-detail-main{display:flex;flex-direction:column;gap:3rem}.loading-state{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:500px;gap:1rem}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-banner{display:flex;align-items:center;gap:1rem;padding:1.5rem;background:#ff4d6d1a;border:1px solid #ff4d6d;border-radius:8px;color:#ff4d6d;margin-bottom:1rem}.error-banner .material-symbols-outlined{font-size:24px}@media (max-width: 1024px){.course-detail-layout{grid-template-columns:1fr;gap:1rem;padding:1rem}.course-sidebar{position:relative;top:auto;max-height:none}}.course-hero-section{position:relative;background:var(--card);border-bottom:1px solid var(--border);overflow:hidden;padding:0}.hero-background{position:absolute;top:0;left:0;right:0;height:100%;background:linear-gradient(135deg,var(--accent) 0%,var(--accent2) 100%);opacity:.08;z-index:0}.hero-container{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:2rem;padding:3rem;max-width:1400px;margin:0 auto}.hero-content{display:flex;flex-direction:column;justify-content:center}.hero-badges{display:flex;gap:1rem;margin-bottom:1rem}.badge{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border-radius:20px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.badge-bestseller{background:#ffd7001a;color:gold}.badge-toprated{background:#4caf501a;color:#4caf50}.hero-title{font-size:2.5rem;font-weight:700;line-height:1.2;margin-bottom:1rem;color:var(--text)}.hero-subtitle{font-size:1.1rem;color:var(--muted);margin-bottom:1.5rem;line-height:1.6;max-width:500px}.hero-rating-section{display:flex;align-items:center;gap:1rem;margin-bottom:2rem;flex-wrap:wrap}.rating-stars{display:flex;align-items:center;gap:.25rem}.rating-text{font-weight:600;margin-left:.5rem}.rating-divider{color:var(--muted)}.rating-info{color:var(--muted);font-size:.9rem}.hero-instructor{display:flex;align-items:center;gap:1rem;margin-bottom:2rem;padding:1rem 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.instructor-avatar{width:50px;height:50px;border-radius:50%;overflow:hidden;background:var(--card2);flex-shrink:0}.instructor-avatar img{width:100%;height:100%;object-fit:cover}.avatar-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-size:1.5rem;font-weight:700}.instructor-info{flex:1}.instructor-label{font-size:.75rem;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:.25rem}.instructor-name{font-size:1rem;font-weight:600;color:var(--accent);cursor:pointer;transition:color .2s ease}.instructor-name:hover{color:var(--accent2)}.hero-cta-buttons{display:flex;gap:1rem;margin-bottom:2rem}.btn-lg{padding:.75rem 2rem;font-size:1rem;display:flex;align-items:center;gap:.5rem;border-radius:8px;transition:all .3s ease;cursor:pointer;font-weight:600}.btn-primary{background:var(--accent);color:#fff;border:none}.btn-primary:hover:not(:disabled){background:var(--accent2);transform:translateY(-2px);box-shadow:0 8px 16px #4f7cff4d}.btn-success{background:#4caf50;color:#fff;border:none}.btn-outline{background:transparent;color:var(--accent);border:2px solid var(--accent)}.btn-outline:hover:not(:disabled){background:#4f7cff1a;color:var(--accent2);border-color:var(--accent2)}.hero-meta{display:flex;gap:2rem;flex-wrap:wrap}.meta-item{display:flex;align-items:center;gap:.5rem;color:var(--muted);font-size:.9rem}.meta-item .material-symbols-outlined{font-size:18px;color:var(--accent)}.hero-video-section{position:relative;display:flex;flex-direction:column;gap:1.5rem}.video-container{position:relative;width:100%;aspect-ratio:16 / 9;border-radius:12px;overflow:hidden;box-shadow:0 10px 30px #4f7cff33}.preview-video{width:100%;height:100%;object-fit:cover}.video-placeholder{position:relative;width:100%;aspect-ratio:16 / 9;border-radius:12px;overflow:hidden;background:var(--card2);display:flex;align-items:center;justify-content:center;cursor:pointer;group:"video-placeholder"}.thumbnail-image{width:100%;height:100%;object-fit:cover}.play-button{position:absolute;width:80px;height:80px;display:flex;align-items:center;justify-content:center;background:#4f7cffe6;border-radius:50%;transition:transform .3s ease}.play-button .material-symbols-outlined{font-size:48px;color:#fff}.video-placeholder:hover .play-button{transform:scale(1.1)}.pricing-card{background:var(--card2);border:1px solid var(--border);border-radius:12px;padding:2rem;display:flex;flex-direction:column;gap:1.5rem}.price-section{position:relative}.original-price{font-size:.9rem;color:var(--muted);text-decoration:line-through;display:block;margin-bottom:.5rem}.discount-badge{display:inline-block;background:#ff4d6d;color:#fff;padding:.25rem .75rem;border-radius:6px;font-size:.8rem;font-weight:600;margin-bottom:.5rem}.price-display{font-size:2rem;font-weight:700;color:var(--text);margin-bottom:.5rem}.price-note{font-size:.85rem;color:var(--muted)}.btn-block{width:100%}@media (max-width: 1024px){.hero-container{grid-template-columns:1fr;padding:2rem}.hero-title{font-size:2rem}}.course-curriculum-section{padding:3rem 2rem;max-width:1400px;margin:0 auto}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:2rem}.section-header h2{font-size:1.8rem;font-weight:700}.curriculum-stats{display:flex;gap:1.5rem}.stat-item{display:flex;align-items:center;gap:.5rem;color:var(--muted);font-size:.9rem}.stat-item .material-symbols-outlined{color:var(--accent);font-size:20px}.curriculum-list{display:flex;flex-direction:column;gap:1rem}.curriculum-section{border:1px solid var(--border);border-radius:8px;overflow:hidden;background:var(--card2);transition:all .2s ease}.curriculum-section:hover{border-color:var(--accent)}.section-header-bar{display:flex;align-items:center;justify-content:space-between;padding:1.5rem;background:var(--card);border-bottom:1px solid transparent;cursor:pointer;transition:all .2s ease}.curriculum-section:hover .section-header-bar{border-bottom-color:var(--border)}.section-title-container{display:flex;align-items:center;gap:1rem;flex:1}.expand-icon{transition:transform .3s ease;color:var(--accent)}.expand-icon.expanded{transform:rotate(180deg)}.section-info{flex:1}.section-title{font-size:1.1rem;font-weight:600;margin-bottom:.25rem}.section-meta{font-size:.85rem;color:var(--muted)}.section-action{display:flex;align-items:center;color:var(--accent)}.section-lectures{padding:1rem 0;background:var(--card2)}.lecture-item{display:flex;align-items:flex-start;gap:1rem;padding:1rem 1.5rem;cursor:pointer;transition:all .2s ease;border-left:4px solid transparent}.lecture-item:hover:not(.locked){background:#4f7cff0d;border-left-color:var(--accent)}.lecture-item.locked{opacity:.6;cursor:not-allowed}.lecture-icon{flex-shrink:0;margin-top:.25rem}.lecture-icon .material-symbols-outlined{font-size:24px;color:var(--accent)}.lecture-details{flex:1;min-width:0}.lecture-title{font-weight:500;margin-bottom:.25rem;word-break:break-word}.lecture-description{font-size:.85rem;color:var(--muted);margin:0}.lecture-meta{display:flex;align-items:center;gap:1rem;flex-shrink:0}.lecture-duration{font-size:.85rem;color:var(--muted);white-space:nowrap}.lock-badge{display:inline-flex;align-items:center;color:var(--warn)}.empty-state{padding:3rem 2rem;text-align:center;color:var(--muted)}.empty-state .material-symbols-outlined{font-size:48px;opacity:.5;margin-bottom:1rem}.video-player-section{padding:2rem;background:var(--bg);min-height:500px}.video-player-container{max-width:1400px;margin:0 auto;background:var(--card);border-radius:12px;overflow:hidden;box-shadow:0 10px 30px #0000004d}.video-wrapper{position:relative;width:100%;aspect-ratio:16 / 9;background:#000;overflow:hidden}.video-element{width:100%;height:100%;object-fit:contain}.video-controls-overlay{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(transparent,#000000b3);padding:2rem 1rem 1rem;opacity:0;transition:opacity .3s ease}.video-wrapper:hover .video-controls-overlay{opacity:1}.progress-bar{width:100%;height:4px;background:#fff3;border-radius:2px;margin-bottom:1rem;cursor:pointer}.progress-fill{height:100%;background:var(--accent);border-radius:2px;transition:width .1s linear}.controls-row{display:flex;justify-content:space-between;align-items:center}.controls-left,.controls-right{display:flex;align-items:center;gap:.5rem}.control-button{background:transparent;border:none;color:#fff;padding:.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:background .2s ease}.control-button:hover{background:#fff3}.control-separator{width:1px;height:24px;background:#ffffff4d;margin:0 .5rem}.speed-display{font-size:.9rem;font-weight:600;min-width:40px;text-align:center}.time-display{color:#fff;font-size:.85rem;white-space:nowrap}.video-main-content{padding:2rem;display:grid;grid-template-columns:1fr;gap:2rem}.video-main-content.with-sidebar{grid-template-columns:1fr 350px}.lecture-info-panel{background:var(--card2);border-radius:8px;padding:1.5rem}.lecture-title{font-size:1.5rem;font-weight:700;margin-bottom:1rem}.lecture-instructor{display:flex;align-items:center;gap:.5rem;color:var(--muted);margin-bottom:1.5rem;font-size:.9rem}.lecture-description{margin-bottom:2rem}.lecture-description h3{font-size:1rem;font-weight:600;margin-bottom:.5rem}.lecture-description p{color:var(--muted);line-height:1.6}.lecture-resources,.next-lecture-card{border-top:1px solid var(--border);padding-top:1.5rem;margin-top:1.5rem}.lecture-resources h3,.next-lecture-card h3{font-size:1rem;font-weight:600;margin-bottom:1rem;display:flex;align-items:center;gap:.5rem}.resources-list{display:flex;flex-direction:column;gap:.75rem}.resource-item{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;background:var(--card);border-radius:6px;border:1px solid var(--border);color:var(--accent);text-decoration:none;transition:all .2s ease;cursor:pointer}.resource-item:hover{background:#4f7cff1a;border-color:var(--accent)}.next-lecture-title{color:var(--text);margin-bottom:1rem;font-weight:500}.lecture-sidebar{background:var(--card2);border-radius:8px;max-height:600px;display:flex;flex-direction:column;border:1px solid var(--border)}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:1rem;border-bottom:1px solid var(--border)}.sidebar-header h3{font-size:1rem;font-weight:600}.close-button{background:transparent;border:none;color:var(--text);cursor:pointer;padding:.25rem;display:flex;align-items:center}.lecture-list{overflow-y:auto;flex:1}.lecture-section-group{border-bottom:1px solid var(--border)}.section-label{padding:.75rem 1rem;font-size:.85rem;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;background:var(--card);position:sticky;top:0}.lecture-list-item{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;background:transparent;border:none;color:var(--text);cursor:pointer;width:100%;transition:all .2s ease;text-align:left;font-size:.9rem;border-left:3px solid transparent}.lecture-list-item:hover{background:#4f7cff1a;border-left-color:var(--accent)}.lecture-list-item.active{background:#4f7cff33;border-left-color:var(--accent);color:var(--accent);font-weight:600}.lecture-list-title{white-space:normal;word-break:break-word}.course-tabs-section{padding:3rem 2rem;max-width:1400px;margin:0 auto;background:var(--card);border-radius:12px;margin:2rem auto;border:1px solid var(--border)}.tabs-navigation{display:flex;gap:.5rem;margin-bottom:2rem;border-bottom:2px solid var(--border);overflow-x:auto}.tab-button{display:flex;align-items:center;gap:.5rem;padding:1rem 1.5rem;background:transparent;border:none;color:var(--muted);font-size:.95rem;font-weight:500;cursor:pointer;position:relative;white-space:nowrap;transition:all .2s ease;border-bottom:3px solid transparent}.tab-button:hover{color:var(--text)}.tab-button.active{color:var(--accent);border-bottom-color:var(--accent)}.tab-label{display:none}@media (min-width: 640px){.tab-label{display:inline}}.tabs-content{animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.tab-panel{min-height:400px}.overview-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}.overview-section{padding:1.5rem;background:var(--card2);border-radius:8px;border:1px solid var(--border)}.overview-section h3{font-size:1.1rem;font-weight:600;margin-bottom:1rem}.description-text{color:var(--muted);line-height:1.8}.learning-outcomes,.requirements-list{list-style:none;display:flex;flex-direction:column;gap:.75rem}.outcome-item,.requirement-item{display:flex;align-items:flex-start;gap:.75rem;color:var(--muted)}.outcome-item .material-symbols-outlined,.requirement-item .material-symbols-outlined{color:#4caf50;font-size:20px;flex-shrink:0;margin-top:.1rem}.course-details-grid{grid-column:1 / -1;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1.5rem;margin-top:1rem}.detail-card{text-align:center;padding:1.5rem;background:var(--card);border-radius:8px;border:1px solid var(--border)}.detail-card .material-symbols-outlined{font-size:32px;color:var(--accent);margin-bottom:.5rem;display:block}.detail-card h4{font-size:.9rem;color:var(--muted);margin-bottom:.5rem;text-transform:uppercase;letter-spacing:.5px}.detail-card p{font-weight:600;color:var(--text)}.qa-input-section,.notes-input-section{background:var(--card2);padding:1.5rem;border-radius:8px;border:1px solid var(--border);margin-bottom:2rem}.qa-input,.notes-input,.review-textarea{width:100%;padding:1rem;background:var(--card);border:1px solid var(--border);border-radius:6px;color:var(--text);font-family:inherit;font-size:.95rem;resize:vertical;margin:1rem 0;transition:border-color .2s ease}.qa-input:focus,.notes-input:focus,.review-textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #4f7cff1a}.qa-list,.notes-list,.announcements-list{display:flex;flex-direction:column;gap:1rem}.qa-item,.note-item,.announcement-item,.review-card{background:var(--card2);border:1px solid var(--border);border-radius:8px;padding:1.5rem;transition:all .2s ease}.qa-item:hover,.note-item:hover,.announcement-item:hover,.review-card:hover{border-color:var(--accent)}.qa-header,.announcement-header,.review-header{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;margin-bottom:.75rem}.qa-header h4,.announcement-header h4{flex:1;word-break:break-word}.qa-meta,.announcement-date{font-size:.85rem;color:var(--muted);margin-bottom:1rem}.separator{margin:0 .5rem}.qa-answers{background:var(--card);border-left:3px solid var(--accent);padding:1rem;border-radius:4px;margin-bottom:1rem}.answer-item{margin-bottom:1rem}.answer-item:last-child{margin-bottom:0}.answer-author{font-size:.85rem;color:var(--muted);display:block;margin-top:.5rem}.note-item{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem}.note-content{flex:1}.note-content p{margin-bottom:.75rem}.note-date{font-size:.85rem;color:var(--muted);display:block}.announcement-content{color:var(--muted);line-height:1.6}.review-form{grid-column:2;background:var(--card2);padding:1.5rem;border-radius:8px;border:1px solid var(--border)}.review-form h3{margin-bottom:.5rem}.form-subtitle{color:var(--muted);font-size:.9rem;margin-bottom:1.5rem}.form-group{margin-bottom:1.5rem}.form-group label{display:block;font-weight:500;margin-bottom:.75rem}.rating-input{display:flex;gap:.75rem}.rating-star{background:transparent;border:none;padding:.5rem;cursor:pointer;color:#ccc;transition:all .2s ease}.rating-star .material-symbols-outlined{font-size:28px}.rating-star.active{color:gold;transform:scale(1.1)}.form-actions{display:flex;gap:1rem;margin-top:1.5rem}.review-text{color:var(--muted);line-height:1.6}.review-footer{display:flex;gap:1.5rem;margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border)}.review-action{display:flex;align-items:center;gap:.5rem;background:transparent;border:none;color:var(--muted);cursor:pointer;font-size:.85rem;transition:all .2s ease}.review-action:hover{color:var(--accent)}.review-action .material-symbols-outlined{font-size:18px}.instructor-profile-section{padding:3rem 2rem;max-width:1400px;margin:0 auto}.instructor-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:2rem;display:grid;grid-template-columns:1fr 1fr;gap:3rem}.instructor-main{display:flex;gap:2rem}.instructor-avatar-large{width:150px;height:150px;border-radius:8px;overflow:hidden;background:var(--card2);flex-shrink:0}.instructor-avatar-large img{width:100%;height:100%;object-fit:cover}.avatar-placeholder-large{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-size:3rem;font-weight:700}.instructor-content{flex:1}.instructor-name{font-size:1.5rem;font-weight:700;margin-bottom:1rem}.instructor-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-bottom:1.5rem}.stat{display:flex;align-items:center;gap:.75rem}.stat .material-symbols-outlined{font-size:24px;color:var(--accent)}.stat-content{flex:1}.stat-label{font-size:.75rem;color:var(--muted);text-transform:uppercase;margin:0}.stat-value{font-size:1.2rem;font-weight:600;margin:0}.instructor-bio{color:var(--muted);line-height:1.8;margin-bottom:1.5rem}.instructor-actions{display:flex;gap:1rem}.instructor-more-courses{background:var(--card2);border:1px solid var(--border);padding:2rem;border-radius:8px}.instructor-more-courses h4{margin-bottom:.5rem}.text-muted{color:var(--muted);margin-bottom:1rem}@media (max-width: 768px){.instructor-card,.instructor-stats{grid-template-columns:1fr}.instructor-actions{flex-direction:column}.btn{width:100%}}.reviews-section{padding:3rem 2rem;max-width:1400px;margin:0 auto}.rating-summary{display:flex;flex-direction:column;gap:2rem;background:var(--card);padding:2rem;border-radius:12px;border:1px solid var(--border);margin-bottom:2rem}.reviews-container{display:grid;grid-template-columns:300px 1fr;gap:2rem}.rating-display{text-align:center;padding-bottom:2rem;border-bottom:1px solid var(--border)}.rating-number{font-size:3rem;font-weight:700;color:var(--text)}.rating-stars-summary{display:flex;justify-content:center;gap:.25rem;margin:.75rem 0}.review-count{color:var(--muted);margin:0}.rating-breakdown{display:flex;flex-direction:column;gap:1rem}.breakdown-row{display:flex;align-items:center;gap:1rem;cursor:pointer;padding:.5rem;border-radius:6px;transition:all .2s ease}.breakdown-row:hover{background:#4f7cff1a}.breakdown-row.active{background:#4f7cff26}.breakdown-label{width:50px;font-size:.85rem;font-weight:500}.breakdown-bar{flex:1;height:8px;background:var(--card2);border-radius:4px;overflow:hidden}.breakdown-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));border-radius:4px}.breakdown-count{width:40px;text-align:right;font-size:.85rem;color:var(--muted)}.reviews-list-container{grid-column:2}.reviews-list{display:flex;flex-direction:column;gap:1rem}.review-top{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;margin-bottom:1rem}.review-author{display:flex;gap:1rem;flex:1}.author-avatar{width:50px;height:50px;border-radius:50%;overflow:hidden;background:var(--card2);flex-shrink:0;display:flex;align-items:center;justify-content:center}.author-avatar img{width:100%;height:100%;object-fit:cover}.author-name{font-weight:600;margin:0}.review-date{font-size:.85rem;color:var(--muted);margin:0}.review-rating-badge{display:flex;align-items:center;gap:.5rem;flex-shrink:0}.rating-value{font-size:.85rem;color:var(--muted)}.recommended-courses-section{padding:3rem 2rem;max-width:1400px;margin:0 auto}.section-subtitle{color:var(--muted);font-size:.95rem;margin-top:.5rem}.courses-carousel-container{position:relative;display:flex;gap:1rem;align-items:center}.carousel-arrow{position:absolute;top:50%;transform:translateY(-50%);background:var(--card);border:1px solid var(--border);border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--accent);transition:all .2s ease;z-index:10}.carousel-arrow:hover{background:var(--accent);border-color:var(--accent);color:#fff}.carousel-arrow-left{left:0}.carousel-arrow-right{right:0}.recommended-courses-carousel{display:flex;gap:1.5rem;overflow-x:auto;scroll-behavior:smooth;padding:1rem 0;margin:0 auto;width:100%;padding-left:45px;padding-right:45px}.recommended-courses-carousel::-webkit-scrollbar{height:6px}.recommended-courses-carousel::-webkit-scrollbar-track{background:var(--card2);border-radius:3px}.recommended-courses-carousel::-webkit-scrollbar-thumb{background:var(--accent);border-radius:3px}.course-card-carousel{flex:0 0 300px;background:var(--card);border:1px solid var(--border);border-radius:8px;overflow:hidden;transition:all .3s ease;cursor:pointer;display:flex;flex-direction:column}.course-card-carousel:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:0 8px 16px #4f7cff26}.course-card-image{position:relative;width:100%;aspect-ratio:16 / 9;overflow:hidden;background:var(--card2)}.course-thumbnail{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.course-thumbnail.fallback-thumb{display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:700;color:#fff;background:linear-gradient(135deg,#3557a8,#22356e)}.course-card-carousel:hover .course-thumbnail{transform:scale(1.05)}.course-badge{position:absolute;top:1rem;left:1rem;background:gold;color:#000;padding:.5rem 1rem;border-radius:6px;font-size:.8rem;font-weight:600;display:flex;align-items:center;gap:.25rem}.course-card-content{padding:1rem;display:flex;flex-direction:column;gap:.75rem;flex:1}.course-card-title{font-size:1rem;font-weight:600;line-height:1.3;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.course-instructor{font-size:.85rem;color:var(--muted);margin:0}.course-card-rating{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap;font-size:.85rem}.course-card-rating .stars{display:flex;gap:.2rem}.course-card-price{display:flex;align-items:center;gap:.75rem;margin-top:auto}.price-display{display:flex;align-items:center;gap:.5rem}.current-price{font-size:1.1rem;font-weight:700;color:var(--text)}.original-price{font-size:.85rem;color:var(--muted);text-decoration:line-through}.course-sidebar{position:sticky;top:20px;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:0;overflow:hidden;max-height:calc(100vh - 40px);overflow-y:auto}.course-sidebar::-webkit-scrollbar{width:6px}.course-sidebar::-webkit-scrollbar-track{background:var(--card2)}.course-sidebar::-webkit-scrollbar-thumb{background:var(--accent);border-radius:3px}.sidebar-course-image{position:relative;width:100%;aspect-ratio:16 / 9;overflow:hidden;background:var(--card2)}.sidebar-thumbnail{width:100%;height:100%;object-fit:cover}.sidebar-badge{position:absolute;top:1rem;left:1rem;background:gold;color:#000;padding:.5rem 1rem;border-radius:6px;font-size:.8rem;font-weight:600;display:flex;align-items:center;gap:.25rem}.sidebar-price-section{padding:1.5rem;border-bottom:1px solid var(--border)}.price-container{display:flex;align-items:baseline;gap:.75rem;margin-bottom:.5rem}.price-current{font-size:1.8rem;font-weight:700;color:var(--text)}.price-original{font-size:.9rem;color:var(--muted);text-decoration:line-through}.price-discount{font-size:.8rem;color:#ff4d6d;font-weight:600;margin-left:auto}.price-note{font-size:.85rem;color:var(--muted);margin:0}.sidebar-buttons{padding:1.5rem;border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:1rem}.btn-sm{padding:.6rem 1.2rem;font-size:.9rem}.sidebar-section{padding:1.5rem;border-bottom:1px solid var(--border)}.sidebar-section:last-child{border-bottom:none}.sidebar-section-title{font-size:.95rem;font-weight:600;margin-bottom:1rem;display:flex;align-items:center;gap:.5rem}.includes-list{list-style:none;display:flex;flex-direction:column;gap:.75rem}.includes-list li{display:flex;align-items:center;gap:.75rem;color:var(--muted);font-size:.9rem}.includes-list .material-symbols-outlined{color:var(--accent);font-size:20px;flex-shrink:0}.instructor-note{background:#4f7cff0d;border:1px solid rgba(79,124,255,.1);border-radius:6px;margin:1.5rem;margin-bottom:0}.note-text{display:flex;align-items:flex-start;gap:.75rem;color:var(--muted);font-size:.9rem;margin:0;line-height:1.5}.note-text .material-symbols-outlined{color:var(--accent);font-size:18px;flex-shrink:0;margin-top:.1rem}.rating-summary{background:var(--card2)}.rating-header{display:flex;align-items:center;gap:.75rem;margin-bottom:.75rem}.rating-stars{display:flex;gap:.2rem}.rating-number{font-weight:600;color:var(--text)}.rating-text{font-size:.85rem;color:var(--muted);margin:0}.guarantee{text-align:center}.guarantee-icon{font-size:2rem;color:#4caf50;margin-bottom:.5rem}.guarantee-icon .material-symbols-outlined{font-size:32px}.guarantee-text{font-weight:600;margin-bottom:.5rem}.guarantee-subtext{font-size:.85rem;color:var(--muted);margin:0;line-height:1.5}.video-placeholder-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:500px;gap:1rem;color:var(--muted)}.video-placeholder-empty .material-symbols-outlined{font-size:64px;opacity:.5}@media (max-width: 1024px){.reviews-container{grid-template-columns:1fr}.reviews-list-container{grid-column:1}.instructor-card{grid-template-columns:1fr}.instructor-stats{grid-template-columns:repeat(3,1fr)}}@media (max-width: 768px){.hero-container{grid-template-columns:1fr}.hero-title{font-size:1.5rem}.hero-cta-buttons{flex-direction:column}.course-sidebar{position:sticky;top:auto}.video-main-content.with-sidebar{grid-template-columns:1fr}.lecture-sidebar{max-height:400px}.overview-grid{grid-template-columns:1fr}.course-details-grid{grid-template-columns:repeat(2,1fr)}.tabs-navigation{overflow-x:auto}.tab-button{padding:.75rem 1rem}.tab-label{display:none}.courses-carousel-container{margin:0 -1rem}.recommended-courses-carousel{padding:1rem}.carousel-arrow{display:none}.course-card-carousel{flex:0 0 calc(100vw - 4rem)}}@media (max-width: 640px){.course-curriculum-section,.course-tabs-section,.instructor-profile-section,.reviews-section,.recommended-courses-section{padding:1.5rem 1rem}.section-header{flex-direction:column;align-items:flex-start}.curriculum-stats{flex-direction:column;gap:.75rem;margin-top:1rem}.hero-title{font-size:1.25rem}.hero-rating-section{flex-direction:column;align-items:flex-start}.section-lecture-group{display:none}.lecture-item{flex-direction:column}.lecture-meta,.btn{width:100%}.detail-card{border-radius:6px;padding:1rem}.detail-card .material-symbols-outlined{font-size:24px}.detail-card h4{font-size:.8rem}.instructor-avatar-large{width:100px;height:100px}.avatar-placeholder-large{font-size:2.5rem}.course-card-carousel{flex:0 0 280px}}.btn-outline.active{background:#4f7cff1a;color:var(--accent)}.loading{opacity:.7;cursor:not-allowed}.preserve-whitespace{white-space:pre-wrap;word-break:break-word}*{transition:background-color .25s ease,color .25s ease,border-color .25s ease}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--card2)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--accent)}.course-detail-page{width:100%;max-width:1480px;margin:0 auto}.course-hero-section{border:1px solid var(--border);border-radius:16px;margin-bottom:20px}.hero-container{grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:1.5rem;max-width:none;padding:2rem;align-items:start}.hero-content{min-width:0}.hero-title{font-size:clamp(1.6rem,3.2vw,2.3rem)}.hero-subtitle{max-width:none}.hero-rating-section{row-gap:.5rem}.hero-cta-buttons{flex-wrap:wrap}.hero-cta-buttons .btn-lg{flex:1 1 220px;justify-content:center}.pricing-card{padding:1.2rem;gap:1rem}.course-detail-layout{max-width:none;margin:0;padding:0;gap:1.25rem;align-items:start;grid-template-columns:minmax(0,1fr) minmax(280px,340px)}.course-detail-main{min-width:0;gap:1.25rem}.course-detail-main .course-curriculum-section,.course-detail-main .course-tabs-section,.course-detail-main .instructor-profile-section,.course-detail-main .reviews-section,.course-detail-main .recommended-courses-section{max-width:none;margin:0;padding:1.25rem;border:1px solid var(--border);border-radius:16px;background:var(--card)}.course-detail-main .course-tabs-section{margin:0}.course-detail-main .section-header{margin-bottom:1.1rem}.course-detail-main .section-header h2{font-size:1.3rem}.course-detail-main .overview-grid{gap:1rem}.course-detail-main .course-details-grid{gap:.8rem}.course-detail-main .instructor-card{grid-template-columns:minmax(0,1.35fr) minmax(220px,.65fr);gap:1.25rem}.course-detail-main .reviews-section .reviews-container{grid-template-columns:minmax(250px,300px) minmax(0,1fr);gap:1rem}.course-detail-main .rating-summary{margin-bottom:0;padding:1.2rem}.course-detail-main .recommended-courses-carousel{padding-left:10px;padding-right:10px}.course-detail-main .course-card-carousel{flex-basis:min(280px,calc(100% - 12px))}.course-sidebar{top:8px;max-height:calc(100vh - 16px)}@media (max-width: 1240px){.course-detail-layout{grid-template-columns:1fr}.course-sidebar{order:-1;position:relative;top:0;max-height:none}.hero-container{grid-template-columns:1fr}}@media (max-width: 900px){.hero-container{padding:1.25rem}.course-detail-main .course-curriculum-section,.course-detail-main .course-tabs-section,.course-detail-main .instructor-profile-section,.course-detail-main .reviews-section,.course-detail-main .recommended-courses-section{padding:1rem}.course-detail-main .section-header{flex-direction:column;align-items:flex-start;gap:.5rem}.course-detail-main .curriculum-stats{gap:.8rem;flex-wrap:wrap}.course-detail-main .instructor-main{flex-direction:column}.course-detail-main .instructor-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.course-detail-main .reviews-section .reviews-container,.course-detail-main .instructor-card{grid-template-columns:1fr}.course-detail-main .review-top{flex-direction:column}.course-detail-main .review-footer{gap:.8rem;flex-wrap:wrap}}@media (max-width: 640px){.hero-rating-section{gap:.45rem}.hero-cta-buttons{flex-direction:column}.hero-cta-buttons .btn-lg{width:100%;flex-basis:auto}.course-detail-main .course-details-grid,.course-detail-main .instructor-stats{grid-template-columns:1fr}.course-detail-main .courses-carousel-container{margin:0}.course-detail-main .recommended-courses-carousel{padding-left:0;padding-right:0}.course-detail-main .course-card-carousel{flex:0 0 86vw;max-width:320px}}.udemy-course-page{width:100%}.udemy-shell{width:min(1180px,100%);margin:0 auto;padding:0 12px}.udemy-hero{background:#111827;border-bottom:1px solid #2a3447;color:#e7edf8;padding:22px 0 26px}.udemy-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,360px);gap:24px;align-items:start}.udemy-hero-main h1{font-family:var(--font-display);font-size:clamp(1.6rem,2.4vw,2.35rem);line-height:1.18;margin:6px 0 8px}.udemy-breadcrumb{font-size:12px;color:#9ab3d6}.udemy-subtitle{color:#c2d0e6;line-height:1.55;margin-bottom:12px}.udemy-meta-line{display:flex;flex-wrap:wrap;gap:10px;font-size:12px;color:#aebed8}.udemy-rating{color:#f4d26b;font-weight:700}.udemy-purchase-card{background:#fff;color:#1a2333;border:1px solid #d6deee;border-radius:12px;overflow:hidden;box-shadow:0 18px 38px #09142e38;position:sticky;top:16px}.udemy-preview{aspect-ratio:16 / 9;background:#1d2940}.udemy-preview img{width:100%;height:100%;object-fit:cover}.udemy-fallback-thumb{width:100%;height:100%;display:grid;place-items:center;background:linear-gradient(135deg,#3d5ab2,#1e2d57);color:#fff;font-family:var(--font-display);font-size:1.2rem;font-weight:700;text-align:center;padding:10px}.udemy-price-row{padding:14px 14px 0}.udemy-price-row strong{font-size:1.8rem;line-height:1}.udemy-card-actions{padding:14px;display:grid;gap:10px}.udemy-card-actions .btn{width:100%}.udemy-includes{border-top:1px solid #e4ebf7;padding:12px 16px 14px;list-style:none;display:grid;gap:8px;font-size:13px;color:#4c5a74}.udemy-main-grid{margin-top:18px}.udemy-main{display:grid;gap:14px}.udemy-block{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px}.udemy-block h2{font-family:var(--font-display);font-size:1.15rem;margin-bottom:10px}.udemy-head-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}.udemy-head-row span{color:var(--muted);font-size:12px}.udemy-head-row h2{margin:0}.udemy-head-row .header-actions{display:inline-flex;align-items:center;gap:8px}.udemy-head-row .header-actions .btn{min-width:84px;padding:6px 14px}.udemy-learn-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px 16px}.udemy-learn-grid p{font-size:13px;line-height:1.45}.udemy-tags{display:flex;flex-wrap:wrap;gap:8px}.udemy-tags span{background:var(--card2);border:1px solid var(--border);border-radius:999px;padding:6px 10px;font-size:12px}.udemy-curriculum{display:grid;gap:10px}.udemy-curriculum details{border:1px solid var(--border);border-radius:10px;overflow:hidden}.udemy-curriculum summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:10px;padding:10px 12px;background:var(--card2);font-weight:600}.udemy-curriculum summary::-webkit-details-marker{display:none}.udemy-lecture-list{display:grid}.udemy-lecture-list button{border:0;border-top:1px solid var(--border);background:transparent;color:var(--text);padding:10px 12px;display:flex;justify-content:space-between;gap:12px;text-align:left;cursor:pointer}.udemy-lecture-list button:hover{background:#4f7cff17}.udemy-bullets{display:grid;gap:8px;padding-left:18px}.udemy-description{line-height:1.65;white-space:pre-wrap}.udemy-instructor{display:grid;grid-template-columns:74px 1fr;gap:12px;align-items:start}.udemy-instructor-avatar{width:74px;height:74px;border-radius:10px;background:linear-gradient(135deg,#5371d2,#30417d);display:grid;place-items:center;color:#fff;font-family:var(--font-display);font-size:1.7rem;font-weight:700}.udemy-instructor h3{margin-bottom:4px}.udemy-review-summary{display:flex;align-items:baseline;gap:10px;margin-bottom:8px}.udemy-review-summary strong{font-family:var(--font-display);font-size:2rem}.udemy-review-summary span{color:var(--muted)}.udemy-related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.udemy-related-card{background:var(--card2);border:1px solid var(--border);border-radius:10px;overflow:hidden;display:grid}.udemy-related-thumb{aspect-ratio:16 / 9;background:#1d2940}.udemy-related-thumb img{width:100%;height:100%;object-fit:cover}.udemy-related-body{padding:10px;display:grid;gap:6px}.udemy-related-body h4{font-size:14px;line-height:1.35}.udemy-related-body p{font-size:12px;color:var(--muted)}.udemy-related-meta{display:flex;gap:8px;font-size:12px}.udemy-related-body strong{font-size:16px}.udemy-related-body .btn{width:100%}@media (max-width: 980px){.udemy-hero-grid{grid-template-columns:1fr}.udemy-purchase-card{position:static}.udemy-learn-grid{grid-template-columns:1fr}}