@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";
:root{--bg-primary:#0a0a0f;--bg-secondary:#12121a;--bg-tertiary:#1a1a2e;--surface:#ffffff0a;--surface-hover:#ffffff12;--surface-active:#ffffff1a;--border:#ffffff14;--border-hover:#ffffff26;--border-focus:#f59e0b80;--text-primary:#e2e8f0;--text-secondary:#94a3b8;--text-muted:#64748b;--accent-primary:#f59e0b;--accent-secondary:#d97706;--accent-tertiary:#fbbf24;--accent-gradient:linear-gradient(135deg, #f59e0b, #d97706);--accent-gradient-hover:linear-gradient(135deg, #fbbf24, #f59e0b);--accent-light:#f59e0b1a;--accent-light-hover:#f59e0b2e;--success:#10b981;--success-hover:#34d399;--warning:#f59e0b;--error:#ef4444;--user-bubble:linear-gradient(135deg, #f59e0b, #d97706);--user-bubble-text:#fff;--assistant-bubble:#ffffff0f;--assistant-bubble-text:var(--text-primary);--sidebar-bg:#0e0e16;--shadow-glow:0 0 20px #f59e0b26;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono:"JetBrains Mono", "Fira Code", "Cascadia Code", monospace;--font-size-xs:.75rem;--font-size-sm:.875rem;--font-size-base:1rem;--font-size-lg:1.125rem;--font-size-xl:1.25rem;--font-size-2xl:1.5rem;--font-size-3xl:2rem;--font-size-4xl:2.5rem;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--radius-sm:.375rem;--radius-md:.5rem;--radius-lg:.75rem;--radius-xl:1rem;--radius-2xl:1.25rem;--radius-full:9999px;--shadow-sm:0 1px 2px #0000004d;--shadow-md:0 4px 6px #0000004d;--shadow-lg:0 10px 15px #0006;--shadow-xl:0 20px 25px #00000080;--transition-fast:.15s ease;--transition-normal:.25s ease;--transition-slow:.35s ease;--z-base:0;--z-sticky:10;--z-overlay:50;--z-modal:100;--z-toast:200}[data-theme=light]{--bg-primary:#f8f9fb;--bg-secondary:#fff;--bg-tertiary:#f1f3f8;--surface:#00000008;--surface-hover:#0000000f;--surface-active:#00000017;--border:#00000014;--border-hover:#00000026;--border-focus:#d9770680;--text-primary:#1e293b;--text-secondary:#475569;--text-muted:#94a3b8;--accent-primary:#d97706;--accent-secondary:#b45309;--accent-tertiary:#f59e0b;--accent-gradient:linear-gradient(135deg, #d97706, #b45309);--accent-gradient-hover:linear-gradient(135deg, #f59e0b, #d97706);--accent-light:#d9770614;--accent-light-hover:#d9770624;--user-bubble:linear-gradient(135deg, #d97706, #b45309);--user-bubble-text:#fff;--assistant-bubble:#0000000a;--assistant-bubble-text:var(--text-primary);--sidebar-bg:#fff;--shadow-glow:0 0 20px #d977061f;--shadow-sm:0 1px 2px #0000000f;--shadow-md:0 4px 6px #00000014;--shadow-lg:0 10px 15px #0000001a;--shadow-xl:0 20px 25px #0000001f}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;font-size:16px}body{font-family:var(--font-family);background:linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);color:var(--text-primary);min-height:100vh;line-height:1.6;transition:background .3s,color .3s;overflow:hidden}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--surface-active);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--border-hover)}.app-layout{height:100vh;display:flex;overflow:hidden}.chat-area{flex-direction:column;flex:1;min-width:0;display:flex;overflow:hidden}.chat-main{flex-direction:column;flex:1;display:flex;overflow:hidden}.topbar{padding:var(--space-3) var(--space-5);background:var(--bg-secondary);border-bottom:1px solid var(--border);z-index:var(--z-sticky);min-height:56px;transition:background var(--transition-normal);flex-shrink:0;justify-content:space-between;align-items:center;display:flex}.topbar__left{align-items:center;gap:var(--space-3);display:flex}.topbar__menu-btn{border-radius:var(--radius-md);width:36px;height:36px;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;display:flex}.topbar__menu-btn:hover{background:var(--surface-hover);color:var(--text-primary)}.topbar__brand{align-items:center;gap:var(--space-2);display:flex}.topbar__title{font-size:var(--font-size-lg);background:linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-weight:600}.topbar__right{align-items:center;gap:var(--space-2);display:flex}.topbar__btn{align-items:center;gap:var(--space-1);padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;font-size:var(--font-size-sm);font-family:var(--font-family);transition:all var(--transition-fast);background:0 0;display:flex}.topbar__btn:hover{background:var(--surface-hover);color:var(--text-primary);border-color:var(--border-hover)}.topbar__btn--active{background:var(--accent-light);border-color:var(--accent-primary);color:var(--accent-primary)}.input-area{padding:var(--space-4) var(--space-6);flex-shrink:0;width:100%;max-width:800px;margin:0 auto}.input-disclaimer{text-align:center;font-size:var(--font-size-xs);color:var(--text-muted);margin-top:var(--space-2);line-height:1.4}@keyframes fadeInUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes slideInRight{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}@keyframes slideOutRight{0%{opacity:1;transform:translate(0)}to{opacity:0;transform:translate(100%)}}@keyframes bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes pulse-glow{0%,to{box-shadow:0 0 5px #f59e0b33}50%{box-shadow:0 0 20px #f59e0b66}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (max-width:768px){.topbar{padding:var(--space-3) var(--space-4)}.topbar__title{font-size:var(--font-size-base)}.input-area{padding:var(--space-3) var(--space-4)}.input-disclaimer{font-size:.65rem}}@media (max-width:480px){html{font-size:14px}.topbar__btn{padding:var(--space-1) var(--space-2);font-size:var(--font-size-xs)}}