:root{--bg-color:#fafafa;--surface-color:#fff;--border-color:#e5e5e5;--text-primary:#171717;--text-secondary:#737373;--accent-color:#000;--accent-text:#fff;--bubble-user:#000;--bubble-user-text:#fff;--bubble-bot:#f5f5f5;--bubble-bot-text:#171717;--error-bg:#fef2f2;--error-text:#b91c1c;--error-border:#fca5a5;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}@media (prefers-color-scheme:dark){:root{--bg-color:#0a0a0a;--surface-color:#121212;--border-color:#262626;--text-primary:#f5f5f5;--text-secondary:#a3a3a3;--accent-color:#fff;--accent-text:#000;--bubble-user:#fff;--bubble-user-text:#000;--bubble-bot:#1a1a1a;--bubble-bot-text:#f5f5f5}}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-primary);flex-direction:column;min-height:100vh;line-height:1.5;display:flex;overflow-x:hidden}.app-wrapper{flex-direction:column;min-height:100vh;display:flex}.app-header{background-color:var(--surface-color);border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:16px 24px;display:flex}.logo{letter-spacing:-.025em;color:var(--text-primary);align-items:center;gap:8px;font-size:1.25rem;font-weight:700;display:flex}.auth-container{flex:1;justify-content:center;align-items:center;padding:24px;display:flex}.auth-card{background-color:var(--surface-color);border:1px solid var(--border-color);border-radius:16px;width:100%;max-width:400px;padding:32px;box-shadow:0 10px 25px -5px #0000000d}.auth-title{text-align:center;margin-bottom:8px;font-size:1.5rem;font-weight:700}.auth-subtitle{color:var(--text-secondary);text-align:center;margin-bottom:24px;font-size:.875rem}.dashboard-container{flex:1;grid-template-columns:320px 1fr;height:calc(100vh - 120px);display:grid}@media (width<=768px){.dashboard-container{flex:1;grid-template-rows:auto 1fr;grid-template-columns:1fr;height:auto}}.left-panel{background-color:var(--surface-color);border-right:1px solid var(--border-color);flex-direction:column;gap:24px;padding:24px;display:flex;overflow-y:auto}@media (width<=768px){.left-panel{border-right:none;border-bottom:1px solid var(--border-color);gap:16px;padding:16px}}.profile-card{flex-direction:column;gap:16px;display:flex}.profile-section-title{text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);font-size:.75rem;font-weight:700}.form-field{flex-direction:column;gap:6px;display:flex}.form-label{color:var(--text-secondary);font-size:.8125rem;font-weight:500}.input-text{border:1px solid var(--border-color);background-color:var(--bg-color);width:100%;color:var(--text-primary);border-radius:8px;padding:10px 14px;font-size:.875rem;transition:border-color .2s,box-shadow .2s}.input-text:focus{border-color:var(--accent-color);outline:none;box-shadow:0 0 0 2px #0000000d}.token-usage-container{border:1px solid var(--border-color);background-color:var(--bg-color);border-radius:12px;flex-direction:column;gap:8px;padding:16px;display:flex}.token-stats{justify-content:space-between;font-size:.8125rem;font-weight:500;display:flex}.token-bar-outer{background-color:var(--border-color);border-radius:4px;width:100%;height:8px;overflow:hidden}.token-bar-inner{background-color:var(--text-primary);height:100%;transition:width .3s}.btn{cursor:pointer;text-align:center;border:none;border-radius:8px;justify-content:center;align-items:center;width:100%;padding:10px 16px;font-size:.875rem;font-weight:600;transition:opacity .2s,transform .1s;display:inline-flex}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:var(--accent-color);color:var(--accent-text)}.btn-primary:hover:not(:disabled){opacity:.9}.btn-secondary{color:var(--text-primary);border:1px solid var(--border-color);background-color:#0000}.btn-secondary:hover:not(:disabled){background-color:var(--border-color)}.btn-danger{color:var(--text-primary);border:1px solid var(--border-color);background-color:#0000}.btn-danger:hover:not(:disabled){color:#ef4444;background-color:#f5f5f5;border-color:#fca5a5}@media (prefers-color-scheme:dark){.btn-danger:hover:not(:disabled){color:#ef4444;background-color:#1a1010;border-color:#7f1d1d}}.right-panel{background-color:var(--bg-color);flex-direction:column;display:flex;overflow:hidden}@media (width<=768px){.right-panel{height:500px}}.chat-header{border-bottom:1px solid var(--border-color);background-color:var(--surface-color);justify-content:space-between;align-items:center;padding:16px 24px;display:flex}.chat-messages-container{scroll-behavior:smooth;flex-direction:column;flex:1;gap:16px;padding:24px;display:flex;overflow-y:auto}.message-row{width:100%;display:flex}.message-row.user{justify-content:flex-end}.message-row.bot{justify-content:flex-start}.message-bubble{border-radius:16px;max-width:75%;padding:12px 18px;font-size:.9375rem;box-shadow:0 1px 2px #00000005}.message-row.user .message-bubble{background-color:var(--bubble-user);color:var(--bubble-user-text);border-bottom-right-radius:4px}.message-row.bot .message-bubble{background-color:var(--bubble-bot);color:var(--bubble-bot-text);border:1px solid var(--border-color);border-bottom-left-radius:4px}.message-bubble p{margin-bottom:8px}.message-bubble p:last-child{margin-bottom:0}.message-bubble strong{font-weight:700}.message-bubble a{color:inherit;text-decoration:underline}.message-bubble code{background-color:#78787826;border-radius:4px;padding:2px 4px;font-family:monospace;font-size:.85em}.message-bubble 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.2s}.textarea-chat:focus{border-color:var(--accent-color)}.textarea-chat:disabled{opacity:.6;cursor:not-allowed}.btn-send{background-color:var(--accent-color);width:48px;height:48px;color:var(--accent-text);cursor:pointer;border:none;border-radius:12px;justify-content:center;align-items:center;transition:opacity .2s;display:flex}.btn-send:hover:not(:disabled){opacity:.9}.btn-send:disabled{opacity:.5;cursor:not-allowed}.app-footer{text-align:center;color:var(--text-secondary);border-top:1px solid var(--border-color);background-color:var(--surface-color);padding:16px;font-size:.75rem}.toasts-container{z-index:9999;flex-direction:column;gap:8px;max-width:350px;display:flex;position:fixed;top:24px;right:24px}.toast{border-radius:8px;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;font-size:.875rem;font-weight:500;animation:.2s cubic-bezier(.16,1,.3,1) forwards slideInRight;display:flex;box-shadow:0 4px 12px #00000014}.toast.success{background-color:var(--surface-color);color:var(--text-primary);border:1px solid var(--border-color)}.toast.error{background-color:var(--error-bg);color:var(--error-text);border:1px solid var(--error-border)}.toast-close{color:inherit;cursor:pointer;opacity:.6;background:0 0;border:none}.toast-close:hover{opacity:1}@keyframes slideInRight{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}.loading-dots{align-items:center;gap:4px;display:inline-flex}.loading-dots span{background-color:var(--text-primary);border-radius:50%;width:6px;height:6px;animation:1.2s ease-in-out infinite both pulse;display:inline-block}.loading-dots span:first-child{animation-delay:-.32s}.loading-dots span:nth-child(2){animation-delay:-.16s}@keyframes pulse{0%,80%,to{opacity:.3;transform:scale(.6)}40%{opacity:1;transform:scale(1)}}