@import "https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+Thai:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap";:root{--primary-hue:220;--primary:hsl(var(--primary-hue), 85%, 55%);--primary-hover:hsl(var(--primary-hue), 90%, 45%);--primary-light:hsl(var(--primary-hue), 85%, 96%);--success:#22c35d;--success-light:#e9fbf0;--error:#df2040;--error-light:#fcedf0;--warning:#f59f0a;--warning-light:#fef5e7;--bg:#f8fafc;--card-bg:#fff;--border:#e2e8f0;--navigator-unanswered-bg:var(--bg);--text-main:#0f172a;--text-muted:#64748b;--text-light:#94a3b8;--shadow-sm:0 1px 2px 0 #0000000d;--shadow:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-md:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--shadow-lg:0 20px 25px -5px #0000001a, 0 8px 10px -6px #0000001a;--radius:12px;--radius-lg:16px;--font-family:"Inter", "IBM Plex Sans Thai", sans-serif;--transition:all .25s cubic-bezier(.4, 0, .2, 1)}[data-theme=dark]{--bg:#0b0f19;--card-bg:#151b2c;--border:#232d44;--navigator-unanswered-bg:#1e293b;--text-main:#f1f5f9;--text-muted:#94a3b8;--text-light:#64748b;--primary-light:hsl(var(--primary-hue), 40%, 15%);--success-light:#122b1b;--error-light:#32151a;--warning-light:#2e2514}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg);color:var(--text-main);font-family:var(--font-family);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px;line-height:1.6;transition:background-color .3s,color .3s}a{color:inherit;text-decoration:none}button,input,select,textarea{font-family:inherit;font-size:inherit}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse-subtle{0%,to{opacity:1}50%{opacity:.6}}@keyframes slideInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}.animate-fade-in{animation:.4s ease-out forwards fadeIn}.animate-slide-in{animation:.3s 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#2563eb40}.btn-secondary{border-color:var(--border);color:var(--text-main);background-color:#0000}.btn-secondary:hover{background-color:var(--primary-light);border-color:var(--primary);color:var(--primary)}.btn-success{background-color:var(--success);color:#fff}.btn-success:hover{background-color:#1fad53;box-shadow:0 4px 12px #22c55e40}.btn-icon{border-radius:50%;padding:8px}.card{background-color:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:var(--transition);padding:24px}.card-hover:hover{box-shadow:var(--shadow-md);border-color:hsl(var(--primary-hue), 85%, 85%);transform:translateY(-2px)}.dashboard-hero{background:linear-gradient(135deg, hsl(var(--primary-hue), 85%, 60%) 0%, hsl(var(--primary-hue), 85%, 45%) 100%);color:#fff;border-radius:var(--radius-lg);text-align:center;box-shadow:var(--shadow-lg);margin-bottom:32px;padding:48px 32px;position:relative;overflow:hidden}.dashboard-hero h1{margin-bottom:12px;font-size:2.25rem;font-weight:700}.dashboard-hero p{opacity:.9;max-width:600px;margin:0 auto 24px;font-size:1.125rem}.hero-cta{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.quick-stats-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;margin-bottom:32px;display:grid}.stat-card{align-items:center;gap:16px;display:flex}.stat-icon-wrapper{color:#fff;border-radius:12px;justify-content:center;align-items:center;width:48px;height:48px;font-size:1.5rem;display:flex}.stat-val{font-size:1.5rem;font-weight:700}.topic-pills-container{background-color:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:32px;padding:24px}.topic-pills-grid{flex-wrap:wrap;gap:8px;margin-top:16px;display:flex}.topic-pill{background-color:var(--bg);border:1px solid var(--border);color:var(--text-muted);cursor:pointer;transition:var(--transition);border-radius:20px;padding:6px 12px;font-size:.875rem}.topic-pill:hover{background-color:var(--primary-light);border-color:var(--primary);color:var(--primary)}.features-grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px;display:grid}.learn-category-card{margin-bottom:20px}.learn-category-header{background-color:var(--primary-light);border-radius:var(--radius);cursor:pointer;-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;padding:16px 20px;font-weight:600;display:flex}.learn-topic-item{border-bottom:1px solid var(--border);transition:var(--transition);justify-content:space-between;align-items:center;padding:14px 20px;display:flex}.learn-topic-item:last-child{border-bottom:none}.learn-topic-item:hover{background-color:var(--bg)}.learn-topic-item-left{flex-direction:column;gap:4px;display:flex}.learn-topic-badge{background-color:var(--border);border-radius:10px;width:fit-content;padding:2px 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var(--border);border-radius:var(--radius-lg);height:calc(100vh - 120px);box-shadow:var(--shadow-lg);flex-direction:column;display:flex;overflow:hidden}.chat-messages-container{background-color:var(--bg);flex-direction:column;flex:1;gap:20px;padding:24px;display:flex;overflow-y:auto}.chat-bubble{border-radius:var(--radius);max-width:75%;box-shadow:var(--shadow-sm);word-wrap:break-word;padding:16px 20px;animation:.3s ease-out fadeIn}.chat-bubble.user{background-color:var(--primary);color:#fff;border-bottom-right-radius:2px;align-self:flex-end}.chat-bubble.assistant{background-color:var(--card-bg);color:var(--text-main);border:1px solid var(--border);border-bottom-left-radius:2px;align-self:flex-start}.chat-bubble.system-error{background-color:var(--error-light);color:var(--error);border:1px solid var(--error);text-align:center;align-self:center}.quick-prompts-area{background-color:var(--card-bg);border-bottom:1px solid var(--border);white-space:nowrap;gap:8px;padding:12px 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100%)}.glow-orb{filter:blur(80px);opacity:.35;pointer-events:none;z-index:0;border-radius:50%;position:absolute}.orb-1{background:#6366f1;width:400px;height:400px;top:-100px;left:calc(50% - 200px)}.orb-2{background:#a855f7;width:300px;height:300px;top:250px;left:10%}.orb-3{background:#2563eb;width:300px;height:300px;bottom:10%;right:10%}.landing-content{z-index:10;flex-direction:column;align-items:center;width:100%;max-width:1200px;display:flex;position:relative}.landing-header{justify-content:center;width:100%;margin-bottom:60px;display:flex}.landing-logo{align-items:center;gap:12px;display:flex}.logo-icon-glow{color:#a855f7;filter:drop-shadow(0 0 8px #a855f799)}.brand-text{letter-spacing:-.025em;background:linear-gradient(135deg,#fff 40%,#a855f7 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-family:Outfit,sans-serif;font-size:2.25rem;font-weight:800}[data-theme=light] .brand-text{background:linear-gradient(135deg,#0f172a 40%,#6366f1 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.badge-premium{color:#fff;text-transform:uppercase;letter-spacing:.05em;background:linear-gradient(135deg,#a855f7,#6366f1);border-radius:9999px;padding:3px 8px;font-size:.75rem;font-weight:700;box-shadow:0 0 12px #a855f766}.landing-hero{text-align:center;flex-direction:column;align-items:center;max-width:800px;margin-bottom:70px;display:flex}.hero-title{letter-spacing:-.03em;margin-bottom:24px;font-family:Outfit,sans-serif;font-size:3.5rem;font-weight:900;line-height:1.25}@media (width<=768px){.hero-title{font-size:2.25rem}}.gradient-text{background:linear-gradient(90deg,#a855f7,#6366f1,#3b82f6);-webkit-text-fill-color:transparent;filter:drop-shadow(0 2px 8px #6366f126);-webkit-background-clip:text}.hero-subtitle{color:#9ca3af;max-width:650px;margin-bottom:40px;font-size:1.15rem;line-height:1.75}[data-theme=light] .hero-subtitle{color:#4b5563}.glass-panel{-webkit-backdrop-filter:blur(16px);border-radius:var(--radius-lg);background:#151b2ca6;border:1px solid #ffffff14;box-shadow:0 8px 32px #0000005e}[data-theme=light] .glass-panel{-webkit-backdrop-filter:blur(16px);background:#ffffffb3;border:1px solid #0000000d;box-shadow:0 8px 32px #1f26870d}.landing-action-card{width:100%;max-width:500px;transition:var(--transition);margin-bottom:20px;padding:40px}.landing-action-card:hover{border-color:#a855f740;box-shadow:0 12px 40px #a855f71a}.action-card-title{margin-bottom:8px;font-size:1.5rem;font-weight:700}.action-card-desc{color:#9ca3af;margin-bottom:28px;font-size:.95rem}[data-theme=light] .action-card-desc{color:#64748b}.auth-buttons-wrapper{flex-direction:column;align-items:center;gap:16px;width:100%;display:flex}.divider-text{color:#6b7280;text-align:center;width:100%;font-size:.85rem;position:relative}.divider-text:before,.divider-text:after{content:"";background:#ffffff1a;width:40%;height:1px;position:absolute;top:50%}[data-theme=light] .divider-text:before,[data-theme=light] .divider-text:after{background:#00000014}.divider-text:before{left:0}.divider-text:after{right:0}.btn-guest-try{color:#fff;cursor:pointer;width:280px;transition:var(--transition);background:linear-gradient(135deg,#ffffff0d,#ffffff05);border:1px solid #ffffff1a;border-radius:9999px;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-weight:600;display:flex}[data-theme=light] .btn-guest-try{color:#0f172a;background:linear-gradient(135deg,#fff,#f1f5f9);border:1px solid #0000001a}.btn-guest-try:hover{background:linear-gradient(135deg,#ffffff1a,#ffffff0d);border-color:#fff3;transform:translateY(-2px)}[data-theme=light] .btn-guest-try:hover{background:#f8fafc;border-color:#cbd5e1;transform:translateY(-2px)}.guest-note-row{color:#9ca3af;justify-content:center;align-items:center;gap:6px;margin-top:20px;font-size:.8rem;display:flex}[data-theme=light] .guest-note-row{color:#64748b}.landing-features{text-align:center;width:100%;margin-top:40px;margin-bottom:80px}.section-title{margin-bottom:40px;font-family:Outfit,sans-serif;font-size:2rem;font-weight:800}.features-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px;width:100%;display:grid}.feature-card{text-align:left;transition:var(--transition);flex-direction:column;align-items:flex-start;padding:32px 24px;display:flex}.feature-card:hover{border-color:#6366f133;transform:translateY(-6px);box-shadow:0 12px 30px #6366f10f}.feature-icon-wrapper{border-radius:12px;justify-content:center;align-items:center;width:48px;height:48px;margin-bottom:20px;display:flex}.feature-icon-wrapper.purple{color:#c084fc;background:#a855f726}.feature-icon-wrapper.blue{color:#60a5fa;background:#2563eb26}.feature-icon-wrapper.pink{color:#f472b6;background:#ec489926}.feature-icon-wrapper.orange{color:#fb923c;background:#f9731626}[data-theme=light] .feature-icon-wrapper.purple{color:#a855f7;background:#a855f71a}[data-theme=light] .feature-icon-wrapper.blue{color:#2563eb;background:#2563eb1a}[data-theme=light] .feature-icon-wrapper.pink{color:#db2777;background:#ec48991a}[data-theme=light] .feature-icon-wrapper.orange{color:#ea580c;background:#f973161a}.feature-card h4{margin-bottom:12px;font-size:1.2rem;font-weight:700}.feature-card p{color:#9ca3af;font-size:.925rem;line-height:1.6}[data-theme=light] .feature-card p{color:#64748b}.landing-footer{text-align:center;color:#6b7280;border-top:1px solid #ffffff0d;width:100%;padding:30px 0;font-size:.875rem}[data-theme=light] .landing-footer{border-top-color:#0000000d}.premium-wall-container{justify-content:center;align-items:center;min-height:calc(100vh - 120px);padding:60px 20px;display:flex}.premium-wall-card{text-align:center;border-color:#a855f726;flex-direction:column;align-items:center;width:100%;max-width:600px;padding:48px 40px;display:flex;position:relative;overflow:hidden;box-shadow:0 10px 40px -10px #a855f726}.premium-wall-card:before{content:"";pointer-events:none;background:radial-gradient(circle,#a855f70a 0%,#0000 60%);width:200%;height:200%;position:absolute;top:-50%;left:-50%}.lock-icon-outer{background:#a855f71a;border:1px solid #a855f733;border-radius:50%;justify-content:center;align-items:center;width:80px;height:80px;margin-bottom:24px;display:flex}.lock-icon-inner{background:#a855f726;border-radius:50%;justify-content:center;align-items:center;width:60px;height:60px;display:flex}.premium-wall-title{background:linear-gradient(135deg, var(--text-main), #a855f7);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:12px;font-family:Outfit,sans-serif;font-size:1.85rem;font-weight:800}.premium-wall-desc{color:var(--text-muted);max-width:460px;margin-bottom:32px;font-size:1rem;line-height:1.6}.premium-benefits-list{text-align:left;flex-direction:column;gap:12px;width:100%;max-width:440px;margin-bottom:40px;display:flex}.benefit-item{color:var(--text-main);align-items:flex-start;gap:12px;font-size:.9375rem;display:flex}.benefit-item span{line-height:1.4}.wall-auth-section{border-top:1px solid var(--border);width:100%;margin-bottom:24px;padding-top:28px}.wall-auth-prompt{color:var(--text-muted);font-size:.9rem;font-weight:600}.wall-disclaimer{color:var(--text-light);align-items:center;gap:8px;font-size:.8rem;display:flex}.guest-warn-banner{color:#fff;text-align:center;width:100%;box-shadow:var(--shadow-sm);z-index:100;background:linear-gradient(90deg,#f59e0b,#d97706);justify-content:center;align-items:center;gap:8px;padding:10px 16px;font-size:.9rem;font-weight:600;display:flex;position:relative}.guest-warn-banner button{color:#b45309;cursor:pointer;transition:var(--transition);background:#fff;border:none;border-radius:4px;margin-left:8px;padding:4px 10px;font-size:.8rem;font-weight:700}.guest-warn-banner button:hover{background:#fef3c7;transform:translateY(-1px)}.auth-box-nav{align-items:center;margin-left:12px;display:flex}.user-profile-nav{background:var(--primary-light);border:1px solid var(--border);transition:var(--transition);cursor:pointer;border-radius:9999px;align-items:center;gap:8px;padding:4px 12px 4px 6px;text-decoration:none;display:flex}[data-theme=dark] .user-profile-nav{background:#ffffff0a;border-color:#ffffff14}.user-profile-nav:hover{border-color:var(--primary);background:var(--primary-light);transform:translateY(-1px)}[data-theme=dark] .user-profile-nav:hover{background:#ffffff14}.user-avatar{object-fit:cover;border:2px solid var(--primary);border-radius:50%;flex-shrink:0;width:32px;height:32px}.user-name-text{color:var(--text-main);white-space:nowrap;text-overflow:ellipsis;max-width:120px;font-size:.875rem;font-weight:600;overflow:hidden}.btn-logout{color:var(--text-muted);cursor:pointer;transition:var(--transition);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:4px;display:flex}.btn-logout:hover{color:var(--error);background:var(--error-light)}.profile-page-grid{grid-template-columns:320px 1fr;align-items:start;gap:24px;display:grid}@media (width<=900px){.profile-page-grid{grid-template-columns:1fr}}.profile-card-left{text-align:center;flex-direction:column;align-items:center;padding:40px 24px;display:flex;position:relative}.profile-large-avatar-outer{margin-bottom:20px;position:relative}.profile-large-avatar{border:4px solid var(--primary);width:120px;height:120px;box-shadow:var(--shadow-md);object-fit:cover;border-radius:50%}.profile-premium-badge{color:#fff;text-transform:uppercase;letter-spacing:.05em;background:linear-gradient(135deg,#a855f7,#6366f1);border-radius:9999px;padding:3px 10px;font-size:.75rem;font-weight:700;position:absolute;bottom:0;left:50%;transform:translate(-50%)translateY(50%);box-shadow:0 4px 12px #a855f766}.profile-name{color:var(--text-main);margin-top:15px;margin-bottom:4px;font-size:1.5rem;font-weight:700}.profile-email{color:var(--text-muted);margin-bottom:24px;font-size:.875rem}.guest-badge-pill{color:#d97706;background:#f59e0b1f;border-radius:9999px;align-items:center;gap:4px;padding:4px 12px;font-size:.8125rem;font-weight:600;display:inline-flex}[data-theme=dark] .guest-badge-pill{color:#fbbf24;background:#f59e0b2e}.learn-grid{grid-template-columns:300px 1fr;align-items:start;gap:24px;display:grid}.learn-sidebar-btn{border-radius:var(--radius)!important;text-align:left!important;white-space:normal!important;justify-content:space-between!important;align-items:center!important;width:100%!important;height:auto!important;padding:16px 20px!important;display:flex!important}.learn-sidebar-btn-content{flex:1;align-items:center;gap:12px;min-width:0;display:flex}.learn-sidebar-btn-text{text-align:left;font-size:.9375rem;font-weight:600;line-height:1.4}@media (width<=900px){.learn-grid{grid-template-columns:1fr}}