:root{--bg-light:#ffffff;--white:#fff;--dark:#1a1d1f;--accent:#ff3b5c;--muted:#6f767e;--border:#efefef}.app-main{flex:1;display:flex;flex-direction:column;overflow-y:auto;background:transparent;padding:25px}
.top-nav{display:flex;overflow-x:auto;gap:5px;scrollbar-width:none;border-bottom:1px solid var(--border)}.top-nav::-webkit-scrollbar{display:none}.top-nav a{text-decoration:none;color:var(--muted);padding:10px 15px;font-weight:700;font-size:15px;transition:all .3s ease;border-bottom:3px solid transparent;white-space:nowrap}.top-nav a.active-nav{color:var(--dark)!important;border-bottom-color:var(--accent)!important;background:rgba(255,59,92,.05)}.top-nav a:hover:not(.active-nav){color:var(--dark);background:rgba(0,0,0,.02)}
.dashboard-grid{display:grid;grid-template-columns:1fr 320px;gap:10px;content-visibility:auto}.card{background:transparent;padding:10px 14px;position:relative}
.profile-header{display:flex;flex-direction:column;align-items:center;padding:20px;background:transparent;border:none;max-width:300px;margin:0 auto;text-align:center;}.profile-img-group{width:100px;height:100px;border-radius:50%;overflow:hidden;border:3px solid #007bff;margin-bottom:15px}.profile-img{width:100%;height:100%;object-fit:cover}.profile-header p{font-size:1.25rem;font-weight:600;color:#333;margin:0 0 15px 0}
.calendar-strip{border-radius:4px;padding:10px 14px;display:flex;gap:10px;align-items:center;overflow-x:auto;scrollbar-width:none}.calendar-strip::-webkit-scrollbar{display:none}.day-box{flex:1;text-align:center;color:var(--dark);font-size:17px;cursor:pointer;text-decoration:none;padding:14px 20px;border-radius:5px;min-width:95px;flex-shrink:0}.day-box.active{background:rgba(96,165,250,0.64);color:var(--white)}.day-box.locked{position:relative;pointer-events:none;overflow:hidden}.day-box.locked::before{content:"🔒";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);opacity:0.11;font-size:34px;z-index:2;filter:drop-shadow(0 2px 6px rgba(0,0,0,.25))}.day-box:not(.locked):not(.active){background:rgba(25,25,255,.01);color:#111;transform:translateY(-2px)}.day-box:not(.locked):not(.active):hover{background:rgba(25,255,255,.21);color:var(--white);transform:translateY(-2px)}.week-tabs{display:flex;flex-wrap:wrap;gap:12px;overflow:visible;padding-bottom:5px}.week-btn{position:relative;flex:0 0 auto;text-decoration:none;padding:14px 20px;border-radius:5px;background:#fff;color:var(--muted);font-weight:700;font-size:17px;border:1px solid var(--border);white-space:nowrap;display:flex;align-items:center;gap:8px}.week-btn.active{background:var(--dark);color:#fff;border-color:var(--dark)}.week-btn.locked{position:relative;pointer-events:none;overflow:hidden}.week-btn .sv-ic{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);opacity:0.51;width:28px;height:28px;display:flex;align-items:center;justify-content:center;z-index:2;filter:drop-shadow(0 2px 6px rgba(0,0,0,.25));fill:var(--accent)}
.horizontal-timeline-wrapper{padding:20px;border-radius:5px;}.horizontal-timeline-wrapper::-webkit-scrollbar{height:4px}.horizontal-timeline-wrapper::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:10px}.node-dot{width:14px;height:14px;border-radius:50%;background:#cbd5e1;border:3px solid #fff;margin-bottom:15px;transition:all 0.3s ease;position:relative;}.active-slot .node-dot{background:#3b82f6!important;transform:scale(1.2)}.done-slot .node-dot{background:#10b981!important}.slot-locked .node-dot{background:#f1f5f9!important;border-color:#e2e8f0!important}.pulse-icon{display:inline-block;width:6px;height:6px;background:#3b82f6;border-radius:50%;animation:p-me 1.5s infinite}@keyframes p-me{0%{transform:scale(.95);box-shadow:0 0 0 0 rgba(59,130,246,.7)}70%{transform:scale(1);box-shadow:0 0 0 6px rgba(59,130,246,0)}100%{transform:scale(.95);box-shadow:0 0 0 0 rgba(59,130,246,0)}}.active-slot h4{color:#3b82f6!important}.timeline-slot:not(.slot-locked):hover h4{text-decoration:none;color:var(--accent)!important}.task-card{color:blue;padding:20px;border-radius:5px;text-decoration:none;display:block}.tag-container{background:rgba(255,255,255,0.25);padding:5px 6px;display:flex;flex-wrap:wrap;gap:5px;align-items:justify;margin-top:5px}.tag-container .tag{flex:1;text-align:center;}.tag{padding:10px 16px;max-width:300px;align-items:center;background:rgba(255,255,255,0.46);border-radius:5px;font-size:14px;font-weight:600;color:#2C3E50;letter-spacing:1px;text-decoration:none;border:1px solid transparent;transition:all .3s ease}.tag:hover{background:rgba(255,255,255,.92);border-color:var(--accent);color:var(--accent);transform:translateY(-2px);}.tag.active{background:rgba(25,25,255,0.26);color:var(--white);border-color:var(--dark);}.tag.active .sv-ic{opacity:1!important;fill:var(--accent)}.tag:hover .sv-ic{transform:translateX(3px);opacity:1!important}.premium-card{background:var(--white);border-radius:5px;text-align:center;padding:30px;border:1px solid var(--border)}.premium-card svg{width:60px;height:60px;margin-bottom:15px;fill:var(--accent)}.btn-black{background:var(--dark);color:#fff;max-width:120px;padding:15px 30px;border-radius:5px;text-decoration:none;display:block;margin:20px auto 0 auto;text-align:center;margin-top:20px;font-weight:700}.stats-row{display:grid;grid-template-columns:1fr 1fr;gap:5px;margin-top:0}.stat-box{background:var(--white);text-align:center;border:1px solid var(--border);padding:15px;border-radius:5px}.stat-val{font-size:23px;font-weight:800;display:block}.overlay{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center}.sv-ic{width:40px;height:40px;fill:red}@media(max-width:768px){.overlay{padding:20px;align-items:flex-start;overflow-y:auto}.app-main{padding:5px}.overlay .tag-container{padding-top:40px;gap:12px}.overlay .tag{padding:15px 25px!important;width:100%;justify-content:center;font-size:16px}}
@media(max-width:992px){.dashboard-grid{grid-template-columns:1fr;display:flex;flex-direction:column}.app-main{padding:5px}.card{padding:10px 14px;border-radius:5px;}.week-tabs{display:flex;overflow-x:auto;gap:8px;min-height:42px;padding-bottom:5px;scrollbar-width:none}.week-tabs::-webkit-scrollbar{display:none}.week-btn{flex-shrink:0;white-space:nowrap}}@media(max-width:600px){.profile-header{gap:12px;margin-bottom:15px}.profile-img{width:100px;height:100px}.profile-header h2{font-size:18px}.profile-header p{font-size:12px;text-align:left}.user-tag{font-size:9px;padding:2px 8px}}.stu-hub-widget{background:transparent;margin-bottom:5px}.stu-hub-btns{display:flex;flex-wrap:wrap;gap:5px}.stu-hub-item{display:flex;align-items:center;gap:5px;padding:4px 6px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:5px;font-size:14px;font-weight:400;color:#475569;cursor:pointer;transition:all .2s ease;user-select:none}.stu-hub-item:hover{background:#f1f5f9;border-color:#cbd5e1;transform:translateY(-2px)}.stu-hub-item:active{transform:scale(.95)}.stu-hub-item.locked-button{background:#1e293b!important;color:#fff!important;border-color:#1e293b!important;transform:translateY(0)!important}.stu-hub-item.locked-button svg{color:#fff}.stu-hub-live-alert{background:#fff1f2!important;border-color:#fda4af!important;color:#e11d48!important;animation:stu-pulse 2s infinite}@keyframes stu-pulse{0%{transform:scale(1);box-shadow:0 0 0 0 rgba(225,29,72,.4)}70%{transform:scale(1.02);box-shadow:0 0 0 10px rgba(225,29,72,0)}100%{transform:scale(1)}}.stu-hub-player{display:none;margin-top:15px;padding:15px;background:#f1f5f9;border-radius:5px;border:1px dashed #cbd5e1;animation:stu-pop .3s ease-out}.stu-hub-player.active{display:block!important}@keyframes stu-pop{from{opacity:0;transform:scale(.98)}to{opacity:1;transform:scale(1)}}.stu-hub-label{display:block;font-size:11px;text-transform:uppercase;color:#64748b;margin-bottom:8px;font-weight:800}.stu-hub-bell{position:relative}#notifDot-card{position:absolute;top:-2px;right:-2px;width:8px;height:8px;background:#ef4444;border-radius:50%;border:2px solid #fff;display:none}
.dt-s-meta{margin-top:8px;text-align:center}.dt-s-gs{display:inline-block;background:#ede9fe;color:#5b21b6;font-size:10px;font-weight:800;padding:3px 8px;border-radius:999px;margin-bottom:5px}.dt-s-topic{font-size:11px;color:#334155;font-weight:700;line-height:1.4}.dt-s-subtopic{font-size:10px;color:#64748b;margin-top:2px;line-height:1.4}
.tl-s-meta{display:flex;flex-direction:column;gap:6px}.tl-s-gs{align-self:flex-start;background:rgba(244,63,94,0.1);color:var(--brand-accent);font-size:11px;font-weight:700;padding:4px 10px;border-radius:6px;text-transform:uppercase;letter-spacing:0.05em}.tl-s-topic{font-size:13px;color:var(--text-primary);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tl-s-subtopic{font-size:12px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@keyframes flash-red-border{0%{border:2px solid #f00!important;box-shadow:0 0 5px rgba(255,0,0,.5)}50%{border:2px solid transparent!important;box-shadow:none}100%{border:2px solid #f00!important;box-shadow:0 0 5px rgba(255,0,0,.5)}}.flash-new-lesson{animation:flash-red-border 1.5s infinite;position:relative;background-color:#fff9f9!important}.flash-new-lesson::after{content:'Active';position:absolute;top:-8px;right:10px;background:#f00;color:#fff;font-size:10px;padding:2px 5px;border-radius:3px;font-weight:700;z-index:10}
@media(max-width:768px){.horizontal-timeline-wrapper{display:flex!important;flex-direction:column!important;gap:30px!important;overflow-y:auto!important;overflow-x:hidden!important;padding-left:45px!important;max-height:75vh;position:relative}.h-line{top:0!important;left:24px!important;width:2px!important;height:100%!important;background:#e2e8f0}.timeline-slot{flex-direction:row!important;align-items:flex-start!important;text-align:left!important;min-width:100%!important;position:relative}.node-dot{position:absolute;left:-27px;top:5px;margin:0!important;z-index:3}.time-label{min-width:65px;margin:0 10px 0 0!important;padding-top:4px;font-size:10px!important}.task-card-container{padding:0!important;flex:1}.task-card{padding:12px!important}}
/*@supports(backdrop-filter:blur(16px)){.left-col, .right-col{backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}}
@supports(backdrop-filter:blur(26px)){.prep-timeline,.tag-container,.tag,.top-nav a,.horizontal-timeline-wrapper,.task-card,.overlay,.premium-card,.task-card,.stu-hub-item,.day-box,.week-btn.locked{backdrop-filter:blur(26px);-webkit-backdrop-filter:blur(26px)}}*/