@import "https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap";:root{--primary:#e84040;--primary-deep:#c0392b;--primary-glow:#e8404059;--primary-light:#fdeaea;--primary-medium:#f9c0c0;--primary-grad:linear-gradient(135deg, #e84040 0%, #ff6464 50%, #ff8c42 100%);--bg:#f2f4f8;--surface:#fff;--surface-2:#f8f9fc;--border:#00000012;--text-h:#0d0d1a;--text-b:#2d2d42;--text-muted:#8888a8;--text-faint:#bbc;--green:#22c55e;--green-light:#dcfce7;--blue:#3b82f6;--amber:#f59e0b;--red:#ef4444;--red-light:#fee2e2;--red-medium:#fca5a5;--glass-bg:#ffffffb8;--glass-border:#ffffff80;--glass-shadow:0 8px 32px #00000014, 0 0 0 1px #fff9;--shadow-sm:0 2px 8px #0000000f;--shadow-md:0 8px 24px #0000001a;--shadow-lg:0 20px 60px #0000001f;--shadow-red:0 8px 32px var(--primary-glow);--r-sm:10px;--r-md:16px;--r-lg:24px;--r-xl:32px;--r-full:9999px;--nav-h:72px;--sidebar-w:260px;--topbar-h:68px;--ease:cubic-bezier(.4, 0, .2, 1);--spring:cubic-bezier(.34, 1.56, .64, 1);--t-fast:.15s;--t-base:.25s;--t-slow:.4s}[data-theme=dark]{--bg:#080813;--surface:#12121f;--surface-2:#1a1a2e;--border:#ffffff0f;--text-h:#f0f0ff;--text-b:#cccce0;--text-muted:#66a;--text-faint:#33334a;--glass-bg:#12121fbf;--glass-border:#ffffff14;--glass-shadow:0 8px 32px #0006, 0 0 0 1px #ffffff0f;--shadow-sm:0 2px 8px #0000004d;--shadow-md:0 8px 24px #0006;--shadow-lg:0 20px 60px #00000080}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{background:var(--bg);color:var(--text-b);-webkit-font-smoothing:antialiased;min-height:100vh;transition:background var(--t-slow) var(--ease), color var(--t-slow) var(--ease);font-family:Poppins,system-ui,sans-serif;line-height:1.6;overflow-x:hidden}a{color:inherit;text-decoration:none}button{cursor:pointer;background:0 0;border:none;outline:none;font-family:inherit}input,textarea{border:none;outline:none;font-family:inherit}ul{list-style:none}img{max-width:100%;display:block}.app-shell{min-height:100vh;display:flex}.main-content{min-height:100vh;padding-bottom:calc(var(--nav-h) + env(safe-area-inset-bottom,0px));flex:1;overflow-x:hidden}@media (width>=1024px){.main-content{padding-left:var(--sidebar-w);padding-bottom:0}}.page-inner{max-width:960px;margin:0 auto;padding-bottom:32px}.mesh-bg{z-index:0;background:linear-gradient(160deg,#fff5f5 0%,#fdeaea 40%,#f4f6ff 100%);position:fixed;inset:0;overflow:hidden}[data-theme=dark] .mesh-bg{background:linear-gradient(160deg,#0d0010 0%,#12060a 40%,#050515 100%)}.orb{filter:blur(80px);opacity:.55;pointer-events:none;border-radius:50%;position:absolute}.orb-1{background:radial-gradient(circle,#e8404073,#0000 70%);width:500px;height:500px;animation:12s ease-in-out infinite orbFloat1;top:-150px;right:-100px}.orb-2{background:radial-gradient(circle,#ff8c424d,#0000 70%);width:400px;height:400px;animation:15s ease-in-out infinite orbFloat2;bottom:-100px;left:-80px}.orb-3{background:radial-gradient(circle,#3b82f633,#0000 70%);width:300px;height:300px;animation:18s ease-in-out infinite orbFloat3;top:40%;left:30%}@keyframes orbFloat1{0%,to{transform:translate(0)scale(1)}33%{transform:translate(-40px,30px)scale(1.05)}66%{transform:translate(20px,-20px)scale(.95)}}@keyframes orbFloat2{0%,to{transform:translate(0)scale(1)}50%{transform:translate(30px,-40px)scale(1.08)}}@keyframes orbFloat3{0%,to{transform:translate(0)scale(1)}40%{transform:translate(-20px,20px)scale(1.1)}80%{transform:translate(15px,-10px)scale(.95)}}.mesh-bg:after{content:"";pointer-events:none;background-image:radial-gradient(circle,#e840401f 1px,#0000 1px);background-size:28px 28px;position:absolute;inset:0}.auth-page{z-index:1;justify-content:center;align-items:center;min-height:100vh;padding:32px 16px;display:flex;position:relative}.glass-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(24px);border:1px solid var(--glass-border);border-radius:var(--r-xl);box-shadow:var(--glass-shadow), 0 0 0 1px #e8404014, 0 40px 80px #e840401a;width:100%;max-width:420px;padding:40px 36px 36px;position:relative;overflow:hidden}.glass-card:before{content:"";pointer-events:none;background:linear-gradient(90deg,#0000,#e8404066,#0000);height:1px;position:absolute;top:0;left:0;right:0}.topbar{height:var(--topbar-h);z-index:100;background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border);box-shadow:0 1px 0 var(--border), var(--shadow-sm);justify-content:space-between;align-items:center;padding:0 24px;display:flex;position:sticky;top:0}.topbar-title{letter-spacing:.1em;background:var(--primary-grad);-webkit-text-fill-color:transparent;text-transform:uppercase;-webkit-background-clip:text;background-clip:text;font-size:.88rem;font-weight:800}.topbar-btn{border-radius:var(--r-sm);width:40px;height:40px;color:var(--text-muted);transition:all var(--t-base) var(--ease);justify-content:center;align-items:center;display:flex}.topbar-btn:hover{background:var(--primary-light);color:var(--primary);transform:scale(1.05)}.topbar-avatar{object-fit:cover;border:2px solid var(--primary);width:38px;height:38px;box-shadow:0 0 0 3px var(--primary-light), var(--shadow-red);transition:all var(--t-base) var(--spring);cursor:pointer;border-radius:50%}.topbar-avatar:hover{transform:scale(1.1)}.sidebar{display:none}@media (width<=1023px){.sidebar.mobile-open{width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);z-index:1100;height:100vh;box-shadow:var(--shadow-lg);flex-direction:column;padding:0;animation:.3s cubic-bezier(.34,1.56,.64,1) sidebarSlideIn;position:fixed;top:0;bottom:0;left:0;overflow:hidden;display:flex!important}}@keyframes sidebarSlideIn{0%{transform:translate(-100%)}to{transform:translate(0)}}.sidebar-overlay{-webkit-backdrop-filter:blur(4px);z-index:1050;background:#0006;position:fixed;inset:0}@media (width>=1024px){.sidebar{width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);z-index:200;height:100vh;transition:width var(--t-base) var(--ease);flex-direction:column;padding:0;display:flex;position:fixed;top:0;left:0;overflow:hidden}}.sidebar.collapsed{width:76px!important}.sidebar.collapsed .sidebar-logo-row{justify-content:center;gap:0}.sidebar.collapsed .sidebar-logo-img{width:32px;height:32px}.sidebar.collapsed .sidebar-item{justify-content:center;gap:0;padding:12px 0}.sidebar.collapsed .sidebar-user{justify-content:center;gap:0;padding:0}.main-content{transition:padding-left var(--t-base) var(--ease)}.app-shell:has(.sidebar.collapsed) .main-content{padding-left:76px!important}.sidebar-top{border-bottom:1px solid var(--border);padding:28px 20px 20px}.sidebar-logo-row{align-items:center;gap:10px;margin-bottom:0;display:flex}.sidebar-logo-img{width:34px;height:34px;box-shadow:var(--shadow-red);border-radius:10px}.sidebar-logo-text{letter-spacing:.06em;background:var(--primary-grad);-webkit-text-fill-color:transparent;text-transform:uppercase;-webkit-background-clip:text;background-clip:text;font-size:.9rem;font-weight:800}.sidebar-nav{flex-direction:column;flex:1;gap:4px;padding:20px 12px;display:flex}.sidebar-item{border-radius:var(--r-md);color:var(--text-muted);transition:all var(--t-base) var(--ease);align-items:center;gap:12px;padding:12px 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(width>=1024px){.bottom-nav{display:none}}.bottom-nav-link{flex:1;justify-content:center;min-width:0;text-decoration:none;display:flex}.bn-item{border-radius:var(--r-full);width:100%;color:var(--text-muted);letter-spacing:.04em;text-transform:uppercase;transition:all var(--t-base) var(--spring);white-space:nowrap;flex-direction:column;justify-content:center;align-items:center;gap:3px;min-width:0;padding:10px 16px;font-size:.62rem;font-weight:600;display:flex;position:relative}.bn-item svg{stroke:currentColor;fill:none;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;width:20px;height:20px;transition:all var(--t-base) var(--spring)}.bn-item.active{background:var(--primary-grad);color:#fff;box-shadow:var(--shadow-red);transform:scale(1.05)}.bn-item.active svg{stroke:#fff}.bn-item:not(.active):hover{color:var(--primary);background:var(--primary-light)}.bn-label{text-overflow:ellipsis;white-space:nowrap;text-align:center;max-width:100%;display:block;overflow:hidden}@media 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24px;display:flex;position:relative;overflow:hidden}.page-banner:before{content:"";pointer-events:none;background:#ffffff1a;border-radius:50%;width:300px;height:300px;position:absolute;top:-60%;right:-20%}.page-banner:after{content:"";pointer-events:none;background:#ffffff12;border-radius:50%;width:200px;height:200px;position:absolute;bottom:-80%;left:10%}.page-banner h2{color:#fff;margin-bottom:4px;font-size:1.6rem;font-weight:800}.page-banner p{color:#ffffffd9;font-size:.85rem}.banner-icon-btn{border-radius:var(--r-full);color:#fff;cursor:pointer;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);width:42px;height:42px;transition:all var(--t-base) var(--spring);z-index:1;background:#fff3;flex-shrink:0;justify-content:center;align-items:center;display:flex}.banner-icon-btn:hover{background:#ffffff59;transform:scale(1.1)}.search-wrap{margin:0 20px;position:relative}.search-input{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--r-full);width:100%;color:var(--text-b);box-shadow:var(--shadow-sm);transition:all var(--t-base) var(--ease);padding:12px 16px 12px 44px;font-size:.9rem}.search-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light), var(--shadow-sm)}.search-icon{color:var(--text-muted);pointer-events:none;position:absolute;top:50%;left:14px;transform:translateY(-50%)}.class-selector{background:var(--surface);border-radius:var(--r-md);color:var(--text-h);box-shadow:var(--shadow-sm);cursor:pointer;border-left:4px solid var(--primary);transition:all var(--t-base) var(--ease);justify-content:space-between;align-items:center;margin:16px 20px 0;padding:14px 18px;font-size:.92rem;font-weight:600;display:flex}.class-selector:hover{box-shadow:var(--shadow-md)}.dropdown-menu{background:var(--surface);border-radius:var(--r-md);box-shadow:var(--shadow-lg);border:1px solid var(--border);margin-top:6px;overflow:hidden}.dropdown-item{cursor:pointer;color:var(--text-b);transition:all var(--t-fast) var(--ease);border-bottom:1px solid var(--border);padding:13px 18px;font-size:.9rem;font-weight:500}.dropdown-item:last-child{border-bottom:none}.dropdown-item:hover,.dropdown-item.selected{background:var(--primary-light);color:var(--primary)}.grid-2{grid-template-columns:1fr 1fr;gap:14px;padding:16px 20px;display:grid}@media (width>=640px){.grid-2{grid-template-columns:repeat(3,1fr)}}@media (width>=1024px){.grid-2{grid-template-columns:repeat(4,1fr)}}.subject-card{background:var(--surface);border-radius:var(--r-lg);text-align:center;border:1px solid var(--border);box-shadow:var(--shadow-sm);cursor:pointer;transition:all var(--t-base) var(--spring);transform-style:preserve-3d;perspective:600px;flex-direction:column;align-items:center;gap:10px;padding:20px 14px 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var(--ease);flex:1;justify-content:center;align-items:center;gap:10px;padding:12px 16px;font-size:.88rem;font-weight:600;display:flex}.btn-outline:hover{background:var(--primary-light);color:var(--primary);box-shadow:var(--shadow-sm);border-color:#e8404066;transform:translateY(-1px)}.divider{align-items:center;gap:12px;margin:22px 0;display:flex}.divider:before,.divider:after{content:"";background:var(--border);flex:1;height:1px}.divider span{letter-spacing:.1em;color:var(--text-muted);white-space:nowrap;font-size:.7rem;font-weight:600}.toggle-row{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 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var(--surface-2) 75%);border-radius:var(--r-sm);background-size:200% 100%;animation:1.5s infinite shimmer}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.toast-container{z-index:9999;pointer-events:none;flex-direction:column;gap:10px;display:flex;position:fixed;top:20px;right:20px}.toast{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-lg);pointer-events:all;align-items:center;gap:12px;min-width:260px;max-width:340px;padding:14px 18px;display:flex}.toast-icon{border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:1.2rem;display:flex}.toast-body p{color:var(--text-h);font-size:.88rem;font-weight:600}.toast-body span{color:var(--text-muted);font-size:.76rem}.section-head{justify-content:space-between;align-items:center;padding:24px 20px 12px;display:flex}.section-head h3{color:var(--text-h);font-size:1.1rem;font-weight:700}.section-head a{color:var(--primary);transition:opacity var(--t-fast);font-size:.83rem;font-weight:600}.section-head a:hover{opacity:.7}@keyframes liveRing{0%{opacity:.8;transform:scale(1)}to{opacity:0;transform:scale(2.5)}}.live-dot{background:var(--green);border-radius:50%;flex-shrink:0;width:10px;height:10px;position:relative}.live-dot:before,.live-dot:after{content:"";background:var(--green);border-radius:50%;animation:2s ease-out infinite liveRing;position:absolute;inset:0}.live-dot:after{animation-delay:.6s}.card{background:var(--surface);border-radius:var(--r-lg);border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:all var(--t-base) var(--spring)}.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.circular-progress .pct{color:var(--primary);font-size:.7rem;font-weight:700;position:absolute}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-thumb{background:var(--primary-medium);border-radius:4px}::-webkit-scrollbar-track{background:0 0}body{font-size:clamp(14px,1.5vw,16px)}.topbar-title{font-size:clamp(.78rem,2vw,.88rem)}.page-banner h2{font-size:clamp(1.25rem,4vw,1.6rem)}.section-head h3{font-size:clamp(1rem,3vw,1.1rem)}@media (height<=520px) and (orientation:landscape){.glass-card{max-height:92vh;padding:22px 28px;overflow-y:auto}.auth-page{align-items:flex-start;padding-top:10px}}@media (width>=768px) and (width<=1023px){.grid-2{grid-template-columns:repeat(3,1fr)!important}.upcoming-grid{grid-template-columns:1fr 1fr!important;gap:14px!important;padding:0 20px!important;display:grid!important;overflow-x:visible!important}.stats-row{grid-template-columns:repeat(4,1fr)!important}.glass-card{max-width:480px}}@keyframes bannerShift{0%{background-position:0%}50%{background-position:100%}to{background-position:0%}}.page-banner{background:linear-gradient(135deg,#e84040 0%,#ff6464 30%,#ff8c42 60%,#c0392b 100%) 0 0/300% 300%;animation:8s infinite bannerShift}[data-theme=dark] 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var(--ease);background:#000;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.vc-video-element{object-fit:contain;width:100%;height:100%}.vc-live-badge{-webkit-backdrop-filter:blur(12px);border-radius:var(--r-sm);color:#fff;letter-spacing:.1em;text-transform:uppercase;z-index:10;pointer-events:none;background:#000000a6;border:1.5px solid #e8404066;align-items:center;gap:8px;padding:6px 12px;font-size:.72rem;font-weight:800;display:flex;position:absolute;top:16px;left:16px;box-shadow:0 4px 12px #00000040}.vc-live-dot{background-color:var(--primary);width:8px;height:8px;box-shadow:0 0 10px var(--primary);border-radius:50%;animation:1.5s ease-in-out infinite vc-pulse}@keyframes vc-pulse{0%{opacity:.5;transform:scale(.9)}50%{opacity:1;box-shadow:0 0 14px var(--primary);transform:scale(1.2)}to{opacity:.5;transform:scale(.9)}}.vc-controls-bar{color:#fff;z-index:10;opacity:0;background:linear-gradient(#0000 0%,#00000080 40%,#000000e6 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