*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0a0c12;--surface: #161a26;--surface2: #1e2330;--surface3: #262c3d;--border: #323952;--border-glow: rgba(245, 166, 35, .22);--text: #f0f0f4;--text2: #b0b5c9;--text3: #9098b5;--amber: #f5a623;--amber-bright: #ffbe47;--amber-dim: rgba(245, 166, 35, .1);--green: #34d8a8;--green-dim: rgba(52, 216, 168, .1);--red: #f87171;--red-dim: rgba(248, 113, 113, .1);--blue: #60a5fa;--blue-dim: rgba(96, 165, 250, .1);--purple: #b08eff;--purple-dim: rgba(176, 142, 255, .1);--cyan: #22d3ee;--cyan-dim: rgba(34, 211, 238, .1);--font-display: "Fraunces", serif;--font-body: "Inter", sans-serif;--radius: 14px;--mana-bg: #0a0612;--mana-surface: #130d20;--mana-surface2: #1e1435;--mana-border: #2d1f4e;--mana-text: #e8e0f0;--mana-text-muted: #8b7fa8;--mana-gradient-mid: #1a1030;--mana-gradient-mid2: #1e1435;--ori-glow-purple: rgba(176,142,255,.09);--ori-glow-teal: rgba(13,180,180,.07);--ori-glow-gold: rgba(245,166,35,.05);--ori-lavender: 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rgba(245,200,80,.5);--ori-firefly-cool: rgba(8,145,178,.35)}[data-theme=light] .top-bar{background:#ffffffd9;box-shadow:0 1px 8px #00000014}[data-theme=light] .top-bar:after{background:linear-gradient(90deg,transparent 5%,rgba(100,80,180,.15) 20%,rgba(245,166,35,.15) 50%,rgba(100,80,180,.15) 80%,transparent 95%)}[data-theme=light] .top-nav-links{background:var(--surface2);border-color:var(--border)}[data-theme=light] .top-nav-link{color:#4a4a6a}[data-theme=light] .top-nav-link:hover{color:#1a1a2e;background:#f5a6230f}[data-theme=light] .top-nav-link.active{background:#f5a6231f;color:#1a1a2e;box-shadow:0 1px 4px #0000000f;text-shadow:none}[data-theme=light] .card,[data-theme=light] .fade-in{background:#fff;border-color:#d0d4e0;box-shadow:0 1px 6px #0000000f}[data-theme=light] .card:before{background:linear-gradient(90deg,transparent,rgba(245,166,35,.2),rgba(100,80,180,.15),transparent)}[data-theme=light] .card:hover{border-color:#f5a62359;box-shadow:0 4px 16px #00000014,0 0 0 1px #f5a6231a}[data-theme=light] .sign-out-btn{color:#4a4a6a;border-color:#d0d4e0}[data-theme=light] .sign-out-btn:hover{border-color:var(--red);color:var(--red);background:var(--red-dim)}[data-theme=light] .top-brand{text-shadow:none}[data-theme=light] .btn-secondary{background:var(--surface);border-color:var(--border);color:var(--text)}[data-theme=light] .btn-secondary:hover{border-color:#f5a62366;box-shadow:0 2px 8px #0000000f;background:var(--surface)}[data-theme=light] .skeleton{background:var(--surface2);background-image:linear-gradient(90deg,var(--surface2) 0%,var(--surface3) 40%,var(--surface2) 80%)}[data-theme=light] .notif-dropdown{background:#fffffff2;border-color:var(--border);box-shadow:0 8px 32px #0000001f}[data-theme=light] ::-webkit-scrollbar-thumb{background:#c0c4d0}[data-theme=light] ::-webkit-scrollbar-thumb:hover{background:#a0a4b0}[data-theme=light] ::selection{background:#f5a62333;color:#1a1a2e}body{background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:16px;line-height:1.7;min-height:100vh;padding-top:78px;-webkit-font-smoothing:antialiased}a{color:var(--amber);text-decoration:none;transition:color .2s}a:hover{color:var(--amber-bright);text-decoration:underline;text-shadow:0 0 12px rgba(245,166,35,.3)}::selection{background:#f5a62340;color:var(--text)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px;box-shadow:inset 0 0 4px #b08eff1a}::-webkit-scrollbar-thumb:hover{background:var(--text3);box-shadow:inset 0 0 6px #b08eff26}.top-bar{position:fixed;top:0;left:0;right:0;z-index:100;height:62px;background:#0a0c12cc;-webkit-backdrop-filter:blur(28px) saturate(1.5);backdrop-filter:blur(28px) saturate(1.5);border-bottom:none;display:flex;align-items:center;padding:0 32px;gap:16px;box-shadow:0 2px 24px #0006,0 0 60px #b08eff08}.top-bar:after{content:"";position:absolute;bottom:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent 5%,rgba(176,142,255,.3) 20%,rgba(34,211,238,.25) 35%,rgba(245,166,35,.3) 50%,rgba(52,216,168,.2) 65%,rgba(176,142,255,.25) 80%,transparent 95%);background-size:200% 100%;animation:topBarGlow 8s ease-in-out infinite alternate}@keyframes topBarGlow{0%{background-position:0% center;opacity:.6}50%{opacity:1}to{background-position:100% center;opacity:.7}}.top-brand{font-family:var(--font-display);font-weight:700;font-size:24px;color:var(--amber);cursor:pointer;letter-spacing:-.02em;text-shadow:0 0 20px rgba(245,166,35,.5),0 0 50px rgba(245,166,35,.2),0 0 80px rgba(245,166,35,.08);display:flex;align-items:center;gap:10px}.top-brand-icon{width:34px;height:34px;border-radius:8px}.top-nav-links{display:flex;gap:4px;margin-left:28px;background:var(--surface);border-radius:10px;padding:4px;border:1px solid var(--border)}.top-nav-link{padding:8px 20px;border-radius:7px;border:none;background:transparent;color:var(--text2);font-family:var(--font-body);font-size:15px;font-weight:500;cursor:pointer;transition:all .2s;text-decoration:none}.top-nav-link:hover{color:var(--text);text-decoration:none;background:#b08eff0f}.top-nav-link.active{background:linear-gradient(135deg,#f5a6231f,#b08eff0f);color:var(--amber);box-shadow:0 1px 4px #0003,0 0 16px #f5a6231a;text-shadow:0 0 12px rgba(245,166,35,.35)}.top-bar-right{margin-left:auto;display:flex;align-items:center;gap:14px}.user-avatar{width:36px;height:36px;border-radius:50%;border:2px solid var(--border);transition:border-color .2s}.user-avatar:hover{border-color:var(--amber);box-shadow:0 0 16px #f5a62359,0 0 30px #f5a6231a}.user-name{font-size:15px;color:var(--text2);font-weight:500}.sign-out-btn{padding:6px 14px;border-radius:7px;border:1px solid var(--border);background:transparent;color:var(--text3);font-size:14px;font-family:var(--font-body);cursor:pointer;transition:all .2s;font-weight:500}.sign-out-btn:hover{border-color:var(--red);color:var(--red);background:var(--red-dim)}.page-container{margin-top:62px;min-height:calc(100vh - 62px);position:relative;z-index:3}.btn{padding:12px 26px;border-radius:10px;border:none;font-family:var(--font-body);font-size:16px;font-weight:600;cursor:pointer;transition:all .25s;display:inline-flex;align-items:center;gap:8px}.btn:hover{transform:translateY(-2px)}.btn:active{transform:translateY(0)}.btn-primary{background:linear-gradient(135deg,var(--amber) 0%,#fb923c 60%,var(--amber-bright) 100%);color:var(--bg);box-shadow:0 2px 16px #f5a62359,0 0 30px #f5a6231a}.btn-primary:hover{box-shadow:0 4px 28px #f5a62380,0 0 50px #f5a62326,0 0 80px #f5a6230f}.btn-secondary{background:var(--surface2);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{border-color:#b08eff66;box-shadow:0 0 24px #b08eff1a,inset 0 0 20px #b08eff0a;background:linear-gradient(135deg,var(--surface2),rgba(176,142,255,.06))}.btn:disabled{opacity:.4;cursor:default;transform:none;box-shadow:none}.card{background:linear-gradient(135deg,var(--surface) 0%,rgba(26,16,64,.15) 100%);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:all .4s cubic-bezier(.22,1,.36,1);box-shadow:0 2px 12px #00000040,inset 0 1px #b08eff0a;position:relative;overflow:hidden}.card:before{content:"";position:absolute;top:0;left:10%;right:10%;height:1px;background:linear-gradient(90deg,transparent,rgba(176,142,255,.3),rgba(34,211,238,.2),rgba(245,166,35,.15),transparent);opacity:0;transition:opacity .4s ease;z-index:1}.card:hover:before{opacity:1}.card:hover{border-color:#b08eff59;box-shadow:0 12px 40px #00000059,0 0 0 1px #b08eff1a,0 0 30px #b08eff0f,inset 0 0 40px #b08eff0d;transform:translateY(-4px)}.card-title{font-family:var(--font-display);font-size:24px;font-weight:700;margin-bottom:8px;letter-spacing:-.01em;text-shadow:0 0 24px rgba(176,142,255,.12)}.card-subtitle{font-size:16px;color:var(--text2);line-height:1.6}@keyframes fadeIn{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .45s cubic-bezier(.22,1,.36,1) both}@keyframes fadeInStagger{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}.card:nth-child(1){animation:fadeInStagger .4s .05s cubic-bezier(.22,1,.36,1) both}.card:nth-child(2){animation:fadeInStagger .4s .1s cubic-bezier(.22,1,.36,1) both}.card:nth-child(3){animation:fadeInStagger .4s .15s cubic-bezier(.22,1,.36,1) both}.card:nth-child(4){animation:fadeInStagger .4s .2s cubic-bezier(.22,1,.36,1) both}.card:nth-child(5){animation:fadeInStagger .4s .25s cubic-bezier(.22,1,.36,1) both}@keyframes spin{to{transform:rotate(360deg)}}.spinner{width:28px;height:28px;border:3px solid var(--border);border-top-color:var(--amber);border-radius:50%;animation:spin .6s linear infinite}@keyframes shimmer{0%{background-position:-400px 0}to{background-position:400px 0}}.skeleton{background:var(--surface2);background-image:linear-gradient(90deg,var(--surface2) 0%,var(--surface3) 40%,var(--surface2) 80%);background-size:800px 100%;animation:shimmer 1.5s ease-in-out infinite;border-radius:8px}.skeleton-line{height:14px;border-radius:7px;margin-bottom:8px}.skeleton-circle{border-radius:50%;flex-shrink:0}.skeleton-card{border:1px solid var(--border);border-radius:var(--radius);padding:28px}.skeleton-rect{border-radius:var(--radius)}.notif-bell-wrap{position:relative}.notif-bell-btn{position:relative;background:none;border:none;cursor:pointer;font-size:20px;padding:4px;border-radius:8px;transition:background .15s;line-height:1}.notif-bell-btn:hover{background:var(--surface2)}.notif-badge{position:absolute;top:-4px;right:-6px;min-width:18px;height:18px;background:var(--red);color:#fff;font-size:10px;font-weight:700;border-radius:10px;display:flex;align-items:center;justify-content:center;padding:0 4px;font-family:var(--font-body);box-shadow:0 1px 4px #f8717166;animation:badgePop .3s cubic-bezier(.34,1.56,.64,1) both}@keyframes badgePop{0%{transform:scale(0)}to{transform:scale(1)}}.notif-dropdown{position:absolute;top:calc(100% + 10px);right:-8px;width:360px;background:#161a26eb;border:1px solid var(--border);border-radius:14px;box-shadow:0 12px 48px #00000073;z-index:200;animation:notifSlideIn .2s cubic-bezier(.22,1,.36,1) both;overflow:hidden;backdrop-filter:blur(16px) saturate(1.3);-webkit-backdrop-filter:blur(16px) saturate(1.3)}@keyframes notifSlideIn{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.notif-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px 10px;border-bottom:1px solid var(--border)}.notif-header-title{font-family:var(--font-display);font-weight:700;font-size:16px;color:var(--text)}.notif-mark-all{background:none;border:none;color:var(--amber);font-size:12px;font-weight:600;cursor:pointer;font-family:var(--font-body);padding:0}.notif-mark-all:hover{color:var(--amber-bright);text-decoration:underline}.notif-list{max-height:400px;overflow-y:auto}.notif-empty{display:flex;flex-direction:column;align-items:center;gap:8px;padding:40px 20px;color:var(--text3);font-size:14px}.notif-item{display:flex;align-items:flex-start;gap:12px;width:100%;padding:14px 18px;border:none;background:transparent;cursor:pointer;text-align:left;transition:background .12s;font-family:var(--font-body);color:var(--text);border-bottom:1px solid rgba(50,57,82,.3)}.notif-item:last-child{border-bottom:none}.notif-item:hover{background:#f5a6230a}.notif-item.unread{background:#f5a6230f}.notif-item.unread:hover{background:#f5a6231a}.notif-item-icon{font-size:22px;flex-shrink:0;margin-top:1px}.notif-item-body{flex:1;min-width:0}.notif-item-title{font-size:13px;font-weight:600;line-height:1.3;margin-bottom:2px}.notif-item-text{font-size:12px;color:var(--text2);line-height:1.4}.notif-item-time{font-size:11px;color:var(--text3);margin-top:3px}@keyframes spiritBreathe{0%,to{box-shadow:0 0 8px var(--breathe-color, rgba(176,142,255,.15))}50%{box-shadow:0 0 18px var(--breathe-color, rgba(176,142,255,.25))}}.notif-unread-dot{width:8px;height:8px;border-radius:50%;background:var(--amber);flex-shrink:0;margin-top:6px;--breathe-color: rgba(245,166,35,.4);animation:spiritBreathe 3s ease-in-out infinite}.announcement-banner{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:20px;overflow:hidden}.announcement-banner.pinned{border-color:var(--amber);--breathe-color: rgba(245,166,35,.08);animation:spiritBreathe 4s ease-in-out infinite}.announcement-item{display:flex;align-items:flex-start;gap:14px;padding:16px 20px;border-bottom:1px solid rgba(50,57,82,.3)}.announcement-item:last-child{border-bottom:none}.announcement-icon{font-size:24px;flex-shrink:0}.announcement-body{flex:1;min-width:0}.announcement-title{font-family:var(--font-display);font-size:15px;font-weight:700;margin-bottom:2px}.announcement-text{font-size:13px;color:var(--text2);line-height:1.5}.announcement-meta{font-size:11px;color:var(--text3);margin-top:4px}.announcement-pin-badge{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--amber);background:var(--amber-dim);padding:2px 8px;border-radius:4px;flex-shrink:0}.announce-composer{background:var(--surface);border-radius:16px;padding:28px;width:100%;max-width:500px;border:1px solid var(--border)}.announce-composer h2{font-family:var(--font-display);font-size:20px;font-weight:700;margin-bottom:20px}.announce-field{margin-bottom:16px}.announce-field label{display:block;font-size:12px;color:var(--text3);margin-bottom:4px;font-weight:600}.announce-field input,.announce-field textarea{width:100%;padding:10px 14px;border-radius:10px;border:1px solid var(--border);background:var(--surface2);color:var(--text);font-family:var(--font-body);font-size:14px;outline:none;transition:border-color .2s}.announce-field input:focus,.announce-field textarea:focus{border-color:var(--amber)}.announce-field textarea{resize:vertical;min-height:80px}.floating-music-btn{position:fixed;bottom:24px;left:24px;z-index:9000;width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,#b08eff,#7c5ccf);border:none;box-shadow:0 4px 20px #b08eff59;cursor:pointer;font-size:22px;display:flex;align-items:center;justify-content:center;transition:transform .15s,box-shadow .2s}.floating-music-btn:hover{box-shadow:0 6px 28px #b08eff80;transform:scale(1.05)!important}.floating-music-pulse{position:absolute;inset:-3px;border-radius:50%;border:2px solid rgba(176,142,255,.5);animation:fmpPulse 2s ease-in-out infinite}@keyframes fmpPulse{0%,to{opacity:0;transform:scale(1)}50%{opacity:1;transform:scale(1.12)}}.floating-music-panel{position:fixed;bottom:88px;left:24px;z-index:9000;width:340px;background:var(--bg);border:1px solid var(--border);border-radius:16px;box-shadow:0 12px 48px #00000080;overflow:hidden;animation:fmpSlideIn .2s cubic-bezier(.22,1,.36,1) both}@keyframes fmpSlideIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.floating-music-courses{padding:8px 12px;border-bottom:1px solid var(--border);display:flex;gap:4px;overflow-x:auto}.floating-music-course-btn{padding:4px 10px;border-radius:6px;border:none;font-size:11px;font-weight:600;cursor:pointer;white-space:nowrap;background:var(--surface);color:var(--text3);transition:all .15s}.floating-music-course-btn.active{background:var(--purple);color:var(--bg)}.floating-music-header{display:flex;align-items:center;gap:10px;padding:14px 16px;background:linear-gradient(135deg,#b08eff14,#60a5fa0a);border-bottom:1px solid var(--border)}.floating-music-now-playing{font-size:12px;color:var(--purple);margin-top:1px;display:flex;align-items:center;gap:4px;max-width:200px}.floating-music-note-pulse{display:inline-block;color:var(--purple);font-size:12px;animation:musicNotePulse 1s ease-in-out infinite}@keyframes musicNotePulse{0%,to{opacity:.4;transform:scale(.85)}50%{opacity:1;transform:scale(1.15)}}.floating-music-embed{margin:12px 14px 8px;border-radius:10px;overflow:hidden;background:var(--surface);border:1px solid var(--border)}.floating-music-controls{display:flex;align-items:center;justify-content:center;gap:6px;padding:8px 14px 12px}.fmc-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--border);background:var(--bg);color:var(--text);cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;transition:all .2s}.fmc-btn:hover{border-color:var(--purple);background:#b08eff14}.fmc-mode{width:32px;height:32px;font-size:13px}.fmc-active{border-color:var(--purple);color:var(--purple);background:#b08eff1f;box-shadow:0 0 8px #b08eff33}.fmc-play{width:46px;height:46px;font-size:18px;background:linear-gradient(135deg,#b08eff26,#60a5fa14);border-color:var(--purple)}.fmc-play:hover{background:linear-gradient(135deg,#b08eff40,#60a5fa1f);box-shadow:0 4px 14px #b08eff26;transform:scale(1.06)}.floating-music-tracklist{display:flex;flex-direction:column;margin:0 14px 14px;border-radius:10px;overflow:hidden;border:1px solid var(--border)}.fmt-item{display:flex;align-items:center;gap:8px;padding:9px 12px;background:var(--bg);border:none;cursor:pointer;font-size:13px;color:var(--text2);font-family:var(--font-body);transition:all .15s;text-align:left;width:100%;border-bottom:1px solid rgba(50,57,82,.2)}.fmt-item:last-child{border-bottom:none}.fmt-item:hover{background:var(--surface2);color:var(--text)}.fmt-item.active{background:#b08eff14;color:var(--purple);font-weight:600}.fmt-num{width:20px;height:20px;border-radius:5px;background:var(--surface2);display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:var(--text3);flex-shrink:0}.fmt-item.active .fmt-num{background:var(--purple);color:var(--bg)}.fmt-label{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.music-config-panel{padding:0}.music-config-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid 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