.layout{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--color-purple);border-right:1px solid rgba(255,255,255,.06);display:flex;flex-direction:column;padding:var(--spacing-sm);position:fixed;top:0;left:0;bottom:0}.sidebar-brand{padding:var(--spacing-sm) var(--spacing-xs);margin-bottom:var(--spacing-md)}.sidebar-brand h2{font-size:1.3rem;background:linear-gradient(135deg,var(--color-bordeaux),#a0324a);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.sidebar-links{flex:1;display:flex;flex-direction:column;gap:4px}.nav-link{display:flex;align-items:center;gap:var(--spacing-xs);padding:.6rem .8rem;border-radius:var(--radius);color:var(--color-text-muted);font-size:.9rem;transition:all .15s}.nav-link:hover{color:var(--color-white);background:#ffffff0a}.nav-link.active{color:var(--color-white);background:#6b1d2a4d}.nav-icon{font-size:1.1rem}.sidebar-footer{display:flex;flex-direction:column;gap:var(--spacing-xs);padding-top:var(--spacing-sm);border-top:1px solid rgba(255,255,255,.06)}.user-email{font-size:.75rem;color:var(--color-text-muted);overflow:hidden;text-overflow:ellipsis}.content{flex:1;margin-left:240px;padding:var(--spacing-md);max-width:900px}@media(max-width:768px){.sidebar{width:60px;padding:var(--spacing-xs)}.sidebar-brand h2,.nav-link span:not(.nav-icon),.user-email{display:none}.content{margin-left:60px}}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--spacing-md)}.login-card{max-width:420px;width:100%;text-align:center}.login-card h1{font-size:2rem;background:linear-gradient(135deg,var(--color-bordeaux),#a0324a);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:var(--spacing-xs)}.login-subtitle{color:var(--color-text-muted);margin-bottom:var(--spacing-lg);font-size:.9rem}.login-actions{display:flex;flex-direction:column;gap:var(--spacing-sm)}.login-btn{width:100%;padding:.9rem;font-size:1rem}.login-hint{margin-top:var(--spacing-md);font-size:.75rem;color:var(--color-text-muted)}.ask-page{display:flex;flex-direction:column;height:calc(100vh - var(--spacing-md) * 2)}.ask-page h1{margin-bottom:var(--spacing-xs)}.page-subtitle{color:var(--color-text-muted);font-size:.85rem;margin-bottom:var(--spacing-sm)}.chat-messages{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:var(--spacing-sm);padding:var(--spacing-sm) 0}.chat-empty{flex:1;display:flex;align-items:center;justify-content:center;color:var(--color-text-muted);font-size:1.1rem}.chat-msg{display:flex}.chat-msg.user{justify-content:flex-end}.chat-msg.assistant{justify-content:flex-start}.msg-bubble{max-width:75%;padding:.8rem 1rem;border-radius:var(--radius-lg);font-size:.9rem;line-height:1.5;white-space:pre-wrap}.chat-msg.user .msg-bubble{background:var(--color-bordeaux);border-bottom-right-radius:4px}.chat-msg.assistant .msg-bubble{background:#ffffff0f;border-bottom-left-radius:4px}.msg-sources{margin-top:var(--spacing-xs);display:flex;flex-wrap:wrap;gap:4px;align-items:center}.sources-label{font-size:.75rem;color:var(--color-text-muted);margin-right:4px}.source-tag{font-size:.7rem;background:#ffffff14;padding:2px 8px;border-radius:10px;color:var(--color-text-muted)}.loading-bubble{color:var(--color-text-muted)}.dot-loader{animation:pulse 1s infinite}@keyframes pulse{0%,to{opacity:.3}50%{opacity:1}}.chat-input{display:flex;gap:var(--spacing-xs);padding-top:var(--spacing-sm);border-top:1px solid rgba(255,255,255,.06)}.chat-input input{flex:1}.search-page h1{margin-bottom:var(--spacing-xs)}.search-bar{display:flex;gap:var(--spacing-xs);margin-bottom:var(--spacing-md)}.search-bar input{flex:1}.search-results{display:flex;flex-direction:column;gap:var(--spacing-sm)}.no-results{color:var(--color-text-muted);text-align:center;padding:var(--spacing-lg) 0}.result-card{transition:border-color .2s}.result-card:hover{border-color:#6b1d2a66}.result-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-xs)}.result-filename{font-weight:600;font-size:.9rem}.result-score{font-size:.75rem;background:#6b1d2a4d;padding:2px 8px;border-radius:10px;color:var(--color-white)}.result-content{font-size:.85rem;color:#ffffffb3;line-height:1.5;max-height:120px;overflow:hidden}.result-meta{display:inline-block;margin-top:var(--spacing-xs);font-size:.7rem;color:var(--color-text-muted)}.upload-page h1{margin-bottom:var(--spacing-xs)}.drop-zone{display:flex;align-items:center;justify-content:center;min-height:160px;border:2px dashed rgba(255,255,255,.15);cursor:pointer;transition:border-color .2s;margin-bottom:var(--spacing-sm)}.drop-zone:hover{border-color:var(--color-bordeaux)}.drop-hint{color:var(--color-text-muted)}.drop-file{font-weight:500}.upload-btn{width:100%;padding:.8rem;font-size:1rem}.upload-btn:disabled{opacity:.5;cursor:not-allowed}.upload-error{color:var(--color-error);margin-top:var(--spacing-sm);font-size:.85rem}.upload-result{margin-top:var(--spacing-sm);color:var(--color-success)}.result-detail{font-size:.8rem;color:var(--color-text-muted);margin-top:2px}:root{--color-navy: #0a0a1e;--color-purple: #1e0a1e;--color-bordeaux: #6b1d2a;--color-white: #ffffff;--color-light-gray: #f5f5f5;--color-mid-gray: #e0e0e0;--color-text-muted: #8a8a9a;--color-success: #2ecc71;--color-error: #e74c3c;--font-primary: "Inter", "Segoe UI", sans-serif;--font-heading: "Space Grotesk", "Inter", sans-serif;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 2rem;--spacing-lg: 4rem;--radius: 8px;--radius-lg: 12px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-primary);background:var(--color-navy);color:var(--color-white);min-height:100vh;-webkit-font-smoothing:antialiased}h1,h2,h3{font-family:var(--font-heading);font-weight:600}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:var(--font-primary);border:none;border-radius:var(--radius);font-size:.9rem;font-weight:500;padding:.6rem 1.2rem;transition:all .2s}.btn-primary{background:var(--color-bordeaux);color:var(--color-white)}.btn-primary:hover{opacity:.85}.btn-secondary{background:transparent;color:var(--color-white);border:1px solid rgba(255,255,255,.2)}.btn-secondary:hover{border-color:#ffffff80}input,textarea{font-family:var(--font-primary);background:#ffffff0d;border:1px solid rgba(255,255,255,.15);border-radius:var(--radius);color:var(--color-white);padding:.7rem 1rem;font-size:.9rem;width:100%;transition:border-color .2s}input:focus,textarea:focus{outline:none;border-color:var(--color-bordeaux)}.card{background:#ffffff0a;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-lg);padding:var(--spacing-md)}