:root,[data-theme=dark]{--bg-primary: #06060a;--bg-secondary: #0d0d14;--bg-tertiary: #13131e;--glass-bg: rgba(255, 255, 255, .03);--glass-border: rgba(255, 255, 255, .07);--glass-hover: rgba(255, 255, 255, .06);--text-primary: #f0f0f5;--text-secondary: rgba(240, 240, 245, .6);--text-muted: rgba(240, 240, 245, .35);--accent: #6366f1;--accent-glow: rgba(99, 102, 241, .25);--accent-2: #818cf8;--neon-blue: #38bdf8;--neon-purple: #a78bfa;--gradient-start: #6366f1;--gradient-end: #a78bfa;--sidebar-bg: rgba(10, 10, 18, .85);--msg-user: rgba(99, 102, 241, .12);--msg-assistant: rgba(255, 255, 255, .03);--input-bg: rgba(255, 255, 255, .03);--shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, .6);--border-radius: 12px;--transition: .2s cubic-bezier(.4, 0, .2, 1)}[data-theme=light]{--bg-primary: #f8f9fc;--bg-secondary: #ffffff;--bg-tertiary: #f1f3f8;--glass-bg: rgba(255, 255, 255, .7);--glass-border: rgba(0, 0, 0, .06);--glass-hover: rgba(0, 0, 0, .03);--text-primary: #0f0f1a;--text-secondary: rgba(15, 15, 26, .55);--text-muted: rgba(15, 15, 26, .3);--accent: #6366f1;--accent-glow: rgba(99, 102, 241, .15);--accent-2: #4f46e5;--neon-blue: #3b82f6;--neon-purple: #7c3aed;--gradient-start: #6366f1;--gradient-end: #a78bfa;--sidebar-bg: rgba(255, 255, 255, .9);--msg-user: rgba(99, 102, 241, .08);--msg-assistant: rgba(0, 0, 0, .025);--input-bg: rgba(255, 255, 255, .8);--shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, .12)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{color-scheme:dark;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}html,body,#root{min-height:100vh;background:var(--bg-primary);color:var(--text-primary);overflow:hidden}@keyframes fadeIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes 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var(--transition)}.glass-panel:hover{background:var(--glass-hover)}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border:none;border-radius:10px;font-size:14px;font-weight:500;cursor:pointer;transition:all var(--transition);font-family:inherit;color:var(--text-primary);background:var(--glass-bg);border:1px solid var(--glass-border)}.btn:hover{background:var(--glass-hover);border-color:#ffffff1f}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--gradient-start),var(--gradient-end));color:#fff;border:none;font-weight:600;box-shadow:0 4px 20px var(--accent-glow);animation:glow 3s ease-in-out infinite}.btn-primary:hover{box-shadow:0 6px 30px var(--accent-glow);transform:translateY(-1px)}.btn-lg{padding:14px 32px;font-size:16px;border-radius:14px}.btn-sm{padding:6px 12px;font-size:12px;border-radius:8px}.btn-ghost{background:transparent;border:1px solid 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infinite}.onboarding-subtitle{font-size:18px;color:var(--text-secondary);max-width:480px;margin:0 auto 40px;line-height:1.6}.onboarding-features{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:40px}.onboarding-card{padding:24px 16px;text-align:center}.onboarding-card-icon{width:44px;height:44px;border-radius:12px;background:var(--accent-glow);display:flex;align-items:center;justify-content:center;margin:0 auto 12px;color:var(--accent-2)}.onboarding-card h3{font-size:15px;font-weight:600;margin-bottom:6px}.onboarding-card p{font-size:13px;color:var(--text-secondary);line-height:1.5}.settings-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;display:flex;justify-content:flex-end;animation:fadeIn .2s ease-out}.settings-panel{width:380px;max-width:100%;height:100vh;border-radius:0;border-left:1px solid var(--glass-border);display:flex;flex-direction:column;overflow-y:auto}.settings-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--glass-border)}.settings-header h2{font-size:18px;font-weight:600}.settings-body{padding:16px 24px;display:flex;flex-direction:column;gap:4px}.setting-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid var(--glass-border)}.setting-row:last-child{border-bottom:none}.setting-row strong{font-size:14px;font-weight:500}.setting-desc{font-size:12px;color:var(--text-muted);margin-top:2px}.setting-controls{display:flex;align-items:center;gap:8px}.setting-value{font-size:13px;color:var(--text-secondary);min-width:36px;text-align:center;font-variant-numeric:tabular-nums}@media(max-width:768px){.sidebar{position:fixed;left:0;top:0;z-index:20;width:280px;transform:translate(-100%);transition:transform .3s 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