.top-bar{position:fixed;top:0;left:0;right:0;height:60px;display:flex;justify-content:space-between;align-items:center;padding:0 20px;z-index:100;background:#0f1724cc;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border-dark);transition:all .3s ease;box-shadow:var(--shadow)}html[data-theme=light] .top-bar{background:#f8fafce6;border-bottom:1px solid var(--border-light);box-shadow:0 2px 10px #0000000d}.logo{font-family:Poppins,sans-serif;font-weight:700;font-size:1.4rem;background:linear-gradient(135deg,var(--logo-primary, var(--primary)),var(--logo-accent, var(--accent)));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;position:absolute;left:50%;transform:translate(-50%);filter:drop-shadow(0 0 20px rgba(99,102,241,.3));transition:filter .3s ease}.logo:after{content:"";position:absolute;bottom:-2px;left:0;width:100%;height:2px;background:linear-gradient(90deg,var(--logo-primary, var(--primary)),var(--logo-accent, var(--accent)));border-radius:2px;opacity:.6;transition:background .3s ease}body:has(#guidance-room) .top-bar .logo{background:linear-gradient(135deg,#7b61ff,#26e1c2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;filter:drop-shadow(0 0 20px rgba(123,97,255,.3))}body:has(#guidance-room) .top-bar .logo:after{background:linear-gradient(90deg,#7b61ff,#26e1c2)}.icon-btn{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#ffffff14;border:1px solid rgba(255,255,255,.1);cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);font-size:1.2rem;flex-shrink:0;position:relative;overflow:hidden}html:not([data-theme=light]) .icon-btn{color:#fff}html[data-theme=light] .icon-btn{color:#000;background:#0000000d}.icon-btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#fff3;transform:translate(-50%,-50%);transition:width .6s,height .6s}.icon-btn:hover:before{width:100%;height:100%}.icon-btn:hover{transform:scale(1.05);background:#ffffff1f;box-shadow:0 4px 12px #7b61ff33;border-color:var(--primary)}html[data-theme=light] .icon-btn:hover{background:#00000014;box-shadow:0 4px 12px #5a48d426}.icon-btn:active{transform:scale(.97)}.notif-badge{position:absolute;top:6px;right:6px;min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-size:.7rem;font-weight:700;display:flex;align-items:center;justify-content:center;line-height:1;box-shadow:0 2px 6px #00000040}.xp-badge,.streak-badge{display:flex;align-items:center;gap:4px;padding:4px 8px;border-radius:12px;font-size:.75rem;font-weight:600;letter-spacing:.025em}.xp-badge{background:#6366f126;border:1px solid var(--primary);color:#fff}.streak-badge{background:#f59e0b26;border:1px solid #f59e0b;color:#f59e0b}html[data-theme=light] .xp-badge{background:#5a48d41a;color:#5a48d4}html[data-theme=light] .streak-badge{background:#f59e0b1a}.profile-dropdown{position:absolute;top:70px;right:20px;width:200px;background:var(--bg-secondary);border:1px solid rgba(255,255,255,.1);border-radius:16px;overflow:hidden;opacity:0;visibility:hidden;transform:translateY(-10px);transition:all .3s cubic-bezier(.4,0,.2,1);z-index:150;box-sizing:border-box;box-shadow:0 12px 40px #0000004d}html[data-theme=light] .profile-dropdown{background:#fff;box-shadow:0 10px 30px #0000001a;border-color:#0000001a}.profile-dropdown.active{opacity:1;visibility:visible;transform:translateY(0)}.dropdown-item{padding:14px 20px;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);font-size:.9rem;box-sizing:border-box;display:flex;align-items:center;gap:10px}html:not([data-theme=light]) .dropdown-item{color:#fff}html[data-theme=light] .dropdown-item{color:#000}.dropdown-item:hover{background:#ffffff1f}html[data-theme=light] .dropdown-item:hover{background:#f8f9fa}.notif-tray{position:fixed;top:60px;right:0;width:320px;height:calc(100vh - 60px);background:var(--bg-secondary);border-left:1px solid var(--border);transform:translate(100%);transition:transform .3s ease;z-index:150;overflow-y:auto;box-shadow:-4px 0 20px #0000001a}.notif-tray.active{transform:translate(0)}.notif-header{padding:20px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.notif-actions{display:flex;align-items:center;gap:8px}.notif-footer-actions{display:flex;gap:10px;margin-top:14px;justify-content:flex-end}.notif-action-btn{padding:8px 12px;border-radius:12px;border:1px solid rgba(255,255,255,.08);background:linear-gradient(135deg,#ffffff14,#6366f11f);color:var(--text);cursor:pointer;font-size:.85rem;font-weight:600;transition:all .2s ease;box-shadow:0 3px 10px #0000002e}.notif-action-btn:hover{border-color:var(--accent);background:linear-gradient(135deg,#6366f12e,#22d3ee2e);transform:translateY(-1px);box-shadow:0 5px 16px #6366f140}.notif-action-btn:active{transform:translateY(0);box-shadow:0 2px 8px #0003}.notif-header h3{margin:0;font-size:1.2rem}.close-btn{background:none;border:none;color:var(--text-secondary);cursor:pointer;font-size:1.2rem;padding:4px;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.close-btn:hover{color:var(--text)}.notif-content{padding:20px}.notif-list{display:flex;flex-direction:column;gap:12px}.notif-item{display:flex;gap:12px;padding:14px;border-radius:14px;border:1px solid rgba(99,102,241,.22);background:linear-gradient(135deg,#ffffff08,#6366f10f);cursor:pointer;transition:all .2s ease;position:relative;box-shadow:0 6px 22px #00000024}.notif-icon-stack{display:flex;flex-direction:column;align-items:center;gap:6px;min-width:48px}.notif-item:hover{border-color:var(--accent);background:linear-gradient(135deg,#6366f126,#22d3ee1f);transform:translateY(-2px)}.notif-item.read{opacity:.7}.notif-icon{width:32px;height:32px;border-radius:10px;background:#6366f12e;display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0;box-shadow:inset 0 0 0 1px #ffffff14}.notif-date{font-size:.75rem;color:var(--text-secondary);text-align:center;line-height:1.2;padding:4px 6px;border-radius:8px;background:#ffffff0d;border:1px solid rgba(255,255,255,.08);display:flex;flex-direction:column;gap:2px}.notif-body{flex:1;display:flex;flex-direction:column;gap:4px}.notif-title-row{display:flex;justify-content:flex-start;gap:8px;align-items:center}.notif-title{font-weight:700;color:var(--text);font-size:.95rem}.notif-time{font-size:.78rem;color:var(--text-secondary);white-space:nowrap;background:#0000002e;padding:4px 8px;border-radius:10px;border:1px solid rgba(255,255,255,.05)}.notif-text{font-size:.9rem;color:var(--text-secondary)}.notif-dot{position:absolute;top:8px;right:8px;width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px #22d3ee2e}.empty-state{text-align:center;color:var(--text-secondary);padding:40px 20px}.overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;z-index:90}@media (max-width: 768px){.notif-tray{width:280px}}@media (max-width: 768px){.top-bar .logo.gradient-text,.logo{font-size:1.2rem!important}.top-bar{padding:0 12px;height:56px}.icon-btn{width:34px!important;height:34px!important;font-size:1rem!important}.mod-badge,.xp-badge,.streak-badge{display:none!important}}.mod-badge{background-color:#8b5cf6;padding:.3rem .6rem .3rem .4rem;border-radius:2rem}.bottom-nav{position:fixed;bottom:20px;left:50%;transform:translate(-50%);width:90%;max-width:500px;padding:8px;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)}html[data-theme=light] .bottom-nav{background:#fffc;border-color:var(--border-light);box-shadow:0 4px 20px #00000014}.nav-item{display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 12px;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}html[data-theme=light] .nav-item.active{background:#6366f114}.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:1.2rem;transition:transform .2s ease}.nav-item:hover .nav-icon{transform:scale(1.1)}.nav-label{font-size:.65rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}@media (max-width: 480px){.bottom-nav{width:95%;padding:6px}.nav-item{padding:6px 8px}.nav-icon{font-size:1rem}.nav-label{font-size:.6rem}}.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 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#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;--color-info: #3b82f6;--bg: #0f172a;--bg-dark: #0f172a;--bg-secondary: #1a1f2e;--bg-tertiary: #242938;--text: #f1f5f9;--text-dark: #f1f5f9;--text-secondary: #a0a9c1;--text-tertiary: #6b7280;--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, .08);--border-dark: rgba(255, 255, 255, .08);--shadow: 0 10px 25px -5px rgba(0, 0, 0, .1), 0 8px 10px -6px rgba(0, 0, 0, .1);--shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--transition: all .3s cubic-bezier(.4, 0, .2, 1);--nav-height: 60px}html[data-theme=light]{--bg: #f8fafc;--bg-light: #f8fafc;--bg-secondary: #ffffff;--bg-tertiary: #e9ecef;--text: #1e293b;--text-light: #1e293b;--text-secondary: #6c757d;--text-tertiary: #94a3b8;--glass: rgba(0, 0, 0, .03);--glass-light: rgba(0, 0, 0, .03);--glass-hover: rgba(0, 0, 0, .05);--border: rgba(0, 0, 0, .06);--border-light: rgba(0, 0, 0, .06);--shadow: 0 10px 25px -5px rgba(0, 0, 0, .1), 0 8px 10px -6px rgba(0, 0, 0, .1);--shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-dark);color:var(--text-dark);min-height:100vh;overflow-x:hidden;transition:background .3s ease,color .3s ease;line-height:1.6;font-size:16px}html[data-theme=light] body{background:var(--bg-light);color:var(--text-light)}h1,h2,h3,h4,h5,h6{font-family:Poppins,sans-serif;font-weight:600;letter-spacing:-.025em;line-height:1.2}button{font-family:inherit}.gradient-text{background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;filter:drop-shadow(0 0 20px rgba(99,102,241,.3))}.glass{background:var(--glass-dark);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border:1px solid var(--border-dark)}html[data-theme=light] .glass{background:var(--glass-light);border-color:var(--border-light)}.card{background:var(--glass-dark);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border:1px solid var(--border-dark);border-radius:20px;padding:24px;box-shadow:var(--shadow);transition:var(--transition);animation:fadeIn .5s ease forwards}html[data-theme=light] .card{background:var(--glass-light);border-color:var(--border-light)}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);box-shadow:var(--shadow-hover)}.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}}