#root{margin:0;padding:0;text-align:initial}.app-loading-shell{display:flex;justify-content:center;align-items:center;height:100vh;background:var(--bg-dark);color:var(--text)}:root{--header-height: 60px;--header-desktop-height: 72px;--safe-top: env(safe-area-inset-top, 0px);--nav-height: calc(var(--header-height) + var(--safe-top));--glass-bg: rgba(15, 23, 36, .85);--glass-border: rgba(255, 255, 255, .08);--primary-gradient: linear-gradient(135deg, #6366f1, #8b5cf6);--premium-shadow: 0 10px 40px -10px rgba(0, 0, 0, .5)}.top-navigation-bar{position:fixed;top:0;left:0;right:0;height:calc(var(--header-height) + var(--safe-top));display:flex;justify-content:space-between;align-items:center;padding:var(--safe-top) 20px 0;z-index:1000;background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--glass-border);transition:all .3s ease}@media (min-width: 1024px){:root{--nav-height: calc(var(--header-desktop-height) + var(--safe-top))}.top-navigation-bar{height:calc(var(--header-desktop-height) + var(--safe-top));padding:var(--safe-top) 40px 0}}.nav-section{display:flex;align-items:center;gap:8px;flex:1}.nav-center{justify-content:center}.nav-right{justify-content:flex-end;margin-right:20px}.nav-link{color:var(--text-secondary);text-decoration:none;font-weight:600;font-size:.9rem;padding:8px 16px;border-radius:10px;transition:all .2s cubic-bezier(.4,0,.2,1);cursor:pointer}.nav-link:hover{background:#ffffff0d;color:#fff}.nav-link.active{background:#6366f11a;color:var(--primary)}.nav-brand{font-size:1.05rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:#f8fafc}.nav-separator{color:var(--text-muted);opacity:.3}.guidance-room-link{background:linear-gradient(to right,#7b61ff,#00d2ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-weight:700;font-size:1rem;transition:opacity .3s ease}.guidance-room-link.active{background:#fff;color:#000;-webkit-text-fill-color:#000;filter:none;position:relative;box-shadow:0 4px 12px #0003}.guidance-room-link.active:after{content:"";position:absolute;bottom:0;left:50%;transform:translate(-50%);width:30px;height:2px;background:linear-gradient(to right,#7b61ff,#00d2ff);border-radius:2px}.top-right-section{display:flex;align-items:center;gap:16px}.stats-container{display:flex;align-items:center;gap:4px;background:#0003;padding:3px;border-radius:30px;border:1px solid var(--glass-border)}.stat-item{display:flex;align-items:center;gap:4px;padding:3px 9px;font-size:.72rem;font-weight:700;border-radius:16px;transition:background .2s ease}.stat-item:hover{background:#ffffff08}.profile-btn{width:38px;height:38px;border-radius:50%;border:2px solid var(--glass-border);display:flex;align-items:center;justify-content:center;font-weight:700;cursor:pointer;transition:all .2s ease;overflow:hidden}.profile-btn:hover{border-color:var(--primary);transform:scale(1.05)}.icon-btn-v2{position:relative;cursor:pointer;font-size:1.2rem;transition:transform .2s ease}.icon-btn-v2:hover{transform:scale(1.1)}.notif-badge-v2{position:absolute;top:-3px;right:-5px;background:#ef4444;color:#fff;font-size:.58rem;line-height:1;min-width:15px;height:15px;padding:0 4px;border-radius:999px;border:2px solid var(--glass-bg);display:inline-flex;align-items:center;justify-content:center}.leaderboard-modal.professional-view{position:fixed;top:55%;left:50%;transform:translate(-50%,-50%);width:95%;max-width:640px;max-height:85vh;background:#111827;border-radius:32px;border:1px solid rgba(255,255,255,.1);box-shadow:var(--premium-shadow);z-index:2000;display:flex;flex-direction:column;overflow:hidden;animation:premiumIn .4s cubic-bezier(.16,1,.3,1) forwards}@keyframes premiumIn{to{opacity:1;top:50%}}.modal-header-premium{padding:32px;background:#ffffff05;display:flex;justify-content:space-between;align-items:center}.header-title-group h2{margin:0;font-size:1.6rem;letter-spacing:-.02em}.user-rank-badge{display:inline-block;margin-top:8px;background:var(--primary-gradient);padding:4px 12px;border-radius:30px;font-size:.75rem;font-weight:700;color:#fff}.close-btn-v2{background:none;border:none;color:var(--text-secondary);font-size:1.4rem;cursor:pointer;padding:8px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background .2s}.close-btn-v2:hover{background:#ffffff0d;color:#fff}.modal-content-premium{flex:1;min-height:0;overflow:hidden;display:flex;flex-direction:column;padding:0 32px 32px}.leader-scroll-area{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding-right:8px}.leader-scroll-area::-webkit-scrollbar{width:4px}.leader-scroll-area::-webkit-scrollbar-track{background:transparent}.leader-scroll-area::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:10px}.leader-card{display:flex;align-items:center;padding:20px;background:#ffffff08;border:1px solid rgba(255,255,255,.05);border-radius:20px;margin-bottom:12px;transition:all .2s ease}.leader-card:hover{background:#ffffff0f;border-color:#ffffff1a}.leader-card.highlight{background:#6366f126;border-color:var(--primary)}.rank-indicator{width:40px;font-weight:900;font-size:1.2rem;color:var(--text-muted)}.leader-identity{flex:1;display:flex;align-items:center;gap:20px}.avatar-v2{width:52px;height:52px;border-radius:18px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.4rem;background-size:cover}.text-group .name{display:block;font-weight:700;font-size:1.1rem;color:#fff}.text-group .detail{font-size:.8rem;color:var(--text-muted)}.score-group{display:flex;flex-direction:column;align-items:flex-end;gap:4px}.xp-label{font-weight:800;color:#a5b4fc}.streak-label{font-weight:700;color:#fbbf24;font-size:.8rem}.premium-loader{display:flex;flex-direction:column;align-items:center;justify-content:center;height:200px;gap:20px}.pulse-ring{width:50px;height:50px;border:3px solid var(--primary);border-radius:50%;animation:pulse 1.5s infinite}@keyframes pulse{0%{transform:scale(.8);opacity:1}to{transform:scale(1.5);opacity:0}}.profile-dropdown{position:absolute;top:calc(var(--header-desktop-height) + var(--safe-top) + 12px);right:40px;width:240px;background:#1f2937;border-radius:20px;border:1px solid var(--glass-border);box-shadow:var(--premium-shadow);padding:8px;transform:translateY(-10px);opacity:0;visibility:hidden;transition:all .2s cubic-bezier(.4,0,.2,1)}.profile-dropdown.active{opacity:1;visibility:visible;transform:translateY(0)}.dropdown-item{padding:12px 16px;border-radius:12px;font-size:.9rem;color:var(--text-secondary);cursor:pointer;transition:all .2s}.dropdown-item:hover{background:#ffffff0d;color:#fff}.dropdown-item.logout-v2{color:#f87171;border-top:1px solid rgba(255,255,255,.05);margin-top:4px}.premium-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:900;animation:overlayDim .3s ease}@keyframes overlayDim{0%{opacity:0}}.professional-fab{position:fixed;bottom:24px;left:24px;width:54px;height:54px;background:#1f2937;border:1px solid var(--glass-border);border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:1.6rem;cursor:pointer;z-index:100;box-shadow:0 10px 30px #0000004d;transition:all .3s cubic-bezier(.34,1.56,.64,1)}.professional-fab:hover{transform:scale(1.1) rotate(60deg);background:var(--primary-gradient)}@media (max-width: 768px){.nav-section{display:none}.top-navigation-bar{height:calc(var(--header-height) + var(--safe-top));justify-content:flex-end}.professional-fab{display:none}.leaderboard-modal.professional-view{max-height:90vh;border-radius:0;width:100%;top:auto;bottom:0;transform:translate(-50%)}.modal-content-premium{padding:0 20px 20px}}.notif-pane{position:fixed;top:0;right:0;width:100%;max-width:400px;height:100vh;background:#111827;border-left:1px solid var(--glass-border);transform:translate(100%);transition:transform .3s cubic-bezier(.4,0,.2,1);z-index:2500;display:flex;flex-direction:column;box-shadow:-20px 0 60px #00000080}.notif-pane.open{transform:translate(0)}.pane-header{padding:24px 32px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--glass-border);background:#ffffff05}.pane-header h3{margin:0;font-size:1.25rem;font-weight:700;color:#fff}.pane-close{background:#ffffff0d;border:none;color:var(--text-secondary);width:32px;height:32px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.pane-close:hover{background:#ef4444;color:#fff}.pane-body{flex:1;overflow-y:auto;padding:24px}.notif-card-v2{padding:16px;background:#ffffff08;border:1px solid rgba(255,255,255,.05);border-radius:16px;margin-bottom:12px;cursor:pointer;transition:all .2s}.notif-card-v2:hover{background:#ffffff0f;border-color:var(--primary);transform:translateY(-2px)}.notif-card-v2.unread{border-left:3px solid var(--primary);background:#6366f114}.card-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:6px}.card-title{font-weight:700;font-size:.95rem;color:#fff}.card-time{font-size:.75rem;color:var(--text-muted)}.card-msg{font-size:.85rem;color:var(--text-secondary);line-height:1.5}.empty-notification{text-align:center;padding:60px 20px;color:var(--text-muted);font-style:italic}.premium-overlay.is-notif{backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);background:#0006}.bottom-nav{position:fixed;bottom:calc(24px + env(safe-area-inset-bottom,0px));left:50%;transform:translate(-50%);width:90%;max-width:500px;padding:11px 10px;background:var(--glass-dark);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-dark);border-radius:24px;display:flex;justify-content:space-around;z-index:100;overflow:hidden;transition:all .3s ease;box-shadow:var(--shadow)}.nav-item{display:flex;flex-direction:row;align-items:center;justify-content:center;gap:0;padding:10px 8px;border-radius:16px;cursor:pointer;transition:all .3s ease;position:relative;flex:1;min-width:0;color:var(--text-secondary);text-decoration:none}.nav-item.active{color:var(--primary);background:#6366f11a}.nav-item:nth-child(1).active,.nav-item:nth-child(2).active{background:#3a86ff29}.nav-item.active:before{content:"";position:absolute;top:0;left:50%;transform:translate(-50%);width:24px;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:0 0 3px 3px}.nav-item:hover{color:var(--primary);transform:translateY(-2px)}.nav-item:active{transform:scale(.95)}.nav-icon{font-size:1.15rem;transition:transform .2s ease}.nav-item:hover .nav-icon{transform:scale(1.1)}@media (min-width: 1024px){.bottom-nav{max-width:600px;padding:14px 12px}.nav-item{padding:12px}.nav-icon{font-size:1.5rem}}@media (max-width: 480px){.bottom-nav{width:95%;padding:9px 8px;bottom:calc(18px + env(safe-area-inset-bottom,0px))}.nav-item{padding:8px 6px}.nav-icon{font-size:1rem}}.toast-container{position:fixed;top:80px;right:20px;z-index:1000;display:flex;flex-direction:column;gap:12px;pointer-events:none}.toast{display:flex;align-items:center;gap:12px;padding:14px 20px;border-radius:12px;background:var(--glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border);box-shadow:var(--shadow);min-width:280px;max-width:400px;pointer-events:auto;animation:slideIn .3s ease forwards}@keyframes slideIn{0%{transform:translate(400px);opacity:0}to{transform:translate(0);opacity:1}}.toast.success{border-left:3px solid var(--color-success, #10b981)}.toast.error{border-left:3px solid var(--color-danger, #ef4444)}.toast.warning{border-left:3px solid var(--color-warning, #f59e0b)}.toast.info{border-left:3px solid var(--color-info, #3b82f6)}.toast-icon{font-size:1.2rem;flex-shrink:0}.toast.success .toast-icon{color:var(--color-success, #10b981)}.toast.error .toast-icon{color:var(--color-danger, #ef4444)}.toast.warning .toast-icon{color:var(--color-warning, #f59e0b)}.toast.info .toast-icon{color:var(--color-info, #3b82f6)}.toast-message{flex:1;font-size:.9rem;color:var(--text);line-height:1.4}.toast-close{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:4px;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:all .2s ease}.toast-close:hover{background:var(--glass-hover);color:var(--text)}@media (max-width: 768px){.toast-container{right:10px;left:10px}.toast{min-width:unset;max-width:unset}}.redirect-container{text-align:center;animation:fadeIn .5s ease forwards}.logo{font-size:2.5rem;font-weight:700;margin-bottom:20px;background:linear-gradient(135deg,#6366f1,#22d3ee);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.loader{border:3px solid rgba(255,255,255,.1);border-radius:50%;border-top:3px solid #6366f1;width:30px;height:30px;animation:spin 1s linear infinite;margin:20px auto}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}:root{--primary: #6366f1;--primary-dark: #4f46e5;--accent: #22d3ee;--accent-dark: #06b6d4;--color-success: #10b981;--color-danger: #ef4444;--color-warning: #f59e0b;--bg-dark: #0b1220;--bg-secondary: #121a2a;--bg-tertiary: #1a2335;--surface: rgba(20, 29, 45, .78);--surface-raised: rgba(28, 38, 59, .85);--text: #f1f5f9;--text-dark: #f1f5f9;--text-secondary: #b6bfd2;--text-tertiary: #8792aa;--glass: rgba(255, 255, 255, .05);--glass-dark: rgba(255, 255, 255, .05);--glass-hover: rgba(255, 255, 255, .08);--border: rgba(255, 255, 255, .11);--border-dark: rgba(255, 255, 255, .11);--border-strong: rgba(148, 163, 184, .32);--radius-xs: 8px;--radius-sm: 12px;--radius-md: 16px;--radius-lg: 20px;--radius-xl: 24px;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--shadow: 0 8px 20px rgba(2, 6, 23, .32);--shadow-hover: 0 16px 30px rgba(2, 6, 23, .45);--shadow-lg: 0 18px 36px rgba(2, 6, 23, .5);--focus-ring: 0 0 0 3px rgba(99, 102, 241, .4);--transition: all .24s cubic-bezier(.4, 0, .2, 1);--nav-height: 60px;--top-navbar-height: var(--nav-height)}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{min-height:100%}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:linear-gradient(180deg,#0b1220,#0f172a 40%,#111827);color:var(--text-dark);overflow-x:hidden;transition:background .3s ease,color .3s ease;line-height:1.6;font-size:16px}h1,h2,h3,h4,h5,h6{font-family:Poppins,sans-serif;font-weight:600;letter-spacing:-.025em;line-height:1.2}a{color:inherit}button,input,select,textarea{font-family:inherit}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:none;box-shadow:var(--focus-ring)}.glass{background:var(--surface);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border)}.card{background:var(--surface);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-6);box-shadow:var(--shadow);transition:var(--transition);animation:fadeIn .35s ease forwards}.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}.section-title{margin:0 0 var(--space-2);font-size:1.1rem}.section-subtitle{margin:0;color:var(--text-secondary);font-size:.92rem}.native-ai-panel{border:1px solid rgba(99,102,241,.34);background:linear-gradient(180deg,#1e293bbd,#0f172a8f);box-shadow:0 12px 30px #4f46e529,inset 0 1px #ffffff0a}.native-ai-badge{display:inline-block;margin-bottom:var(--space-2);padding:.28rem .64rem;border-radius:999px;border:1px solid rgba(129,140,248,.44);background:#6366f133;color:#c7d2fe;font-size:.73rem;font-weight:600;letter-spacing:.03em;text-transform:uppercase}.native-ai-panel__head{margin-bottom:var(--space-3)}.native-ai-actions{display:flex;flex-wrap:wrap;gap:var(--space-2);margin-top:var(--space-2)}.app-btn{border:1px solid var(--border);border-radius:999px;padding:.45rem .9rem;background:#ffffff0a;color:var(--text-secondary);cursor:pointer;transition:var(--transition)}.app-btn:hover{background:#ffffff17;color:var(--text)}.app-btn--primary{border-color:#6366f166;background:#6366f13d;color:#c7d2fe}.app-btn--primary:hover{background:#6366f157}.hero-section{text-align:center;padding:40px 20px 20px}.hero-section h1{font-size:2.5rem;margin:0 0 12px}.hero-section p{font-size:1.1rem;color:var(--text-secondary);margin:0}.loading-state,.empty-state{text-align:center;padding:60px 20px;color:var(--text-secondary)}.loader{border:3px solid rgba(255,255,255,.1);border-radius:50%;border-top:3px solid var(--primary);width:40px;height:40px;animation:spin 1s linear infinite;margin:20px auto}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}@media (max-width: 768px){body{font-size:14px}.hero-section h1{font-size:2rem}.hero-section p{font-size:1rem}}@media (max-width: 480px){.hero-section h1{font-size:1.75rem}.card{padding:16px}}