@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-color: #f8fafc;--surface-color: rgba(255, 255, 255, .7);--border-color: rgba(0, 0, 0, .1);--text-primary: #0f172a;--text-secondary: #475569;--accent-color: #3b82f6;--accent-hover: #2563eb;--glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, .07);--backdrop-blur: blur(12px);--transition: all .3s cubic-bezier(.25, .8, .25, 1)}[data-theme=dark]{--bg-color: #0f172a;--surface-color: rgba(30, 41, 59, .6);--border-color: rgba(255, 255, 255, .1);--text-primary: #f8fafc;--text-secondary: #94a3b8;--accent-color: #60a5fa;--accent-hover: #3b82f6;--glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, .37)}@media (prefers-color-scheme: dark){[data-theme=auto]{--bg-color: #0f172a;--surface-color: rgba(30, 41, 59, .6);--border-color: rgba(255, 255, 255, .1);--text-primary: #f8fafc;--text-secondary: #94a3b8;--accent-color: #60a5fa;--accent-hover: #3b82f6;--glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, .37)}}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,sans-serif;background-color:var(--bg-color);color:var(--text-primary);min-height:100vh;transition:background-color .4s ease,color .4s ease;overflow-x:hidden}.app-container{max-width:1000px;margin:0 auto;padding:2rem;display:flex;flex-direction:column;gap:2rem;min-height:100vh}header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 2rem;background:var(--surface-color);-webkit-backdrop-filter:var(--backdrop-blur);backdrop-filter:var(--backdrop-blur);border:1px solid var(--border-color);border-radius:1rem;box-shadow:var(--glass-shadow)}.theme-toggle{display:flex;gap:.5rem;background:#0000000d;padding:.25rem;border-radius:2rem}[data-theme=dark] .theme-toggle{background:#ffffff0d}.theme-btn{background:transparent;border:none;color:var(--text-primary);padding:.5rem 1rem;border-radius:1.5rem;cursor:pointer;transition:var(--transition);font-weight:500;font-size:.9rem}.theme-btn:hover{background:#0000000d}[data-theme=dark] .theme-btn:hover{background:#ffffff1a}.theme-btn.active{background:var(--surface-color);box-shadow:0 2px 8px #0000001a}.glass-panel{background:var(--surface-color);-webkit-backdrop-filter:var(--backdrop-blur);backdrop-filter:var(--backdrop-blur);border:1px solid var(--border-color);border-radius:1rem;padding:2rem;box-shadow:var(--glass-shadow);transition:var(--transition)}.upload-area{border:2px dashed var(--border-color);border-radius:1rem;padding:4rem 2rem;text-align:center;cursor:pointer;transition:var(--transition);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem}.upload-area:hover,.upload-area.drag-over{border-color:var(--accent-color);background:#3b82f60d}.upload-icon{font-size:3rem}.chat-container{display:flex;flex-direction:column;gap:1.5rem;height:100%;min-height:500px}.messages{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:1rem;padding-right:.5rem}.messages::-webkit-scrollbar{width:6px}.messages::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}.message{max-width:85%;padding:1rem 1.2rem;border-radius:1rem;animation:slideIn .3s ease forwards;line-height:1.5}@keyframes slideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message.user{align-self:flex-end;background:var(--accent-color);color:#fff;border-bottom-right-radius:.25rem}.message.ai{align-self:flex-start;background:var(--bg-color);border:1px solid var(--border-color);color:var(--text-primary);border-bottom-left-radius:.25rem}.chat-input{display:flex;gap:1rem}input[type=text]{flex:1;padding:1rem 1.5rem;border-radius:2rem;border:1px solid var(--border-color);background:var(--bg-color);color:var(--text-primary);font-family:inherit;font-size:1rem;transition:var(--transition)}input[type=text]:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 3px #3b82f633}button.primary{background:var(--accent-color);color:#fff;border:none;padding:0 2rem;border-radius:2rem;font-weight:600;cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center}button.primary:hover:not(:disabled){background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 4px 12px #3b82f64d}button.primary:active:not(:disabled){transform:translateY(0)}button:disabled{opacity:.6;cursor:not-allowed}.status-text{font-size:.9rem;color:var(--text-secondary);margin-top:.5rem}.spinner{display:inline-block;width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}.layout-grid{display:grid;grid-template-columns:1fr 2fr;gap:2rem;align-items:stretch;flex:1}@media (max-width: 768px){.layout-grid{grid-template-columns:1fr}}