:root{--bg: #1A1C1E;--surface: #2A2D31;--border: #3F434A;--fg: #E8E6E3;--muted: #9A9CA0;--user-bubble: #C68E5D;--ai-bubble: #4A505C;--accent: #7A9B7E;--danger: #C66D5D;--font-display: "Chivo", system-ui, sans-serif;--font-body: "Sora", system-ui, sans-serif;--radius: 14px;--radius-sm: 8px;--radius-bubble: 18px}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%;overflow:hidden}body{font-family:var(--font-body);background:var(--bg);color:var(--fg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}input,textarea{font-family:inherit;outline:none}::selection{background:var(--accent);color:var(--bg)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--muted)}.app{display:flex;flex-direction:column;height:100vh;height:100dvh;background:var(--bg)}.header{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--border);background:var(--bg);flex-shrink:0;z-index:10}.header__title{font-family:var(--font-display);font-size:1.25rem;font-weight:700;letter-spacing:-.01em;color:var(--fg);display:flex;align-items:center;gap:10px}.header__dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex-shrink:0}.header__actions{display:flex;align-items:center;gap:16px}.header__btn{display:flex;align-items:center;gap:6px;font-size:.8125rem;font-weight:600;color:var(--muted);padding:6px 10px;border-radius:var(--radius-sm);transition:color .15s,background .15s}.header__btn:hover{color:var(--fg);background:var(--surface)}.header__btn--danger:hover{color:var(--danger)}.chat{flex:1;overflow-y:auto;padding:24px 20px;display:flex;flex-direction:column;gap:16px;scroll-behavior:smooth}.chat__empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:var(--muted);text-align:center;padding:40px 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.msg__bubble{background:var(--ai-bubble);color:var(--fg);border-bottom-left-radius:6px}.msg__time{font-size:.75rem;color:var(--muted);margin-top:4px;padding:0 4px}.msg__error{background:#c66d5d26;border:1px solid var(--danger);color:var(--danger)}.typing{display:flex;align-items:center;gap:4px;padding:12px 16px;background:var(--ai-bubble);border-radius:var(--radius-bubble);border-bottom-left-radius:6px}.typing__dot{width:7px;height:7px;border-radius:50%;background:var(--accent);animation:bounce 1.2s infinite ease-in-out}.typing__dot:nth-child(2){animation-delay:.15s}.typing__dot:nth-child(3){animation-delay:.3s}@keyframes bounce{0%,60%,to{transform:translateY(0);opacity:.4}30%{transform:translateY(-6px);opacity:1}}.typing__text{font-size:.8125rem;color:var(--muted);margin-left:8px}.input-area{flex-shrink:0;padding:16px 20px;border-top:1px solid var(--border);background:var(--bg)}.input-area__form{display:flex;align-items:flex-end;gap:10px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:10px 12px;transition:border-color .15s}.input-area__form:focus-within{border-color:var(--accent)}.input-area__textarea{flex:1;background:transparent;border:none;color:var(--fg);font-size:1rem;line-height:1.5;resize:none;max-height:120px;padding:4px 0}.input-area__textarea::placeholder{color:var(--muted)}.input-area__send{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--accent);color:var(--bg);flex-shrink:0;transition:opacity .15s,transform .1s}.input-area__send:disabled{background:var(--border);color:var(--muted);cursor:not-allowed}.input-area__send:not(:disabled):active{transform:scale(.92)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:100;padding:20px;animation:fadeIn .2s ease}.modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;width:100%;max-width:440px;animation:slideUp .25s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.modal__title{font-family:var(--font-display);font-size:1.25rem;font-weight:700;margin-bottom:6px;color:var(--fg)}.modal__desc{font-size:.875rem;color:var(--muted);margin-bottom:20px;line-height:1.5}.modal__label{display:block;font-size:.8125rem;font-weight:600;color:var(--fg);margin-bottom:8px}.modal__input{width:100%;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 14px;color:var(--fg);font-size:.9375rem;font-family:Sora,monospace;transition:border-color .15s}.modal__input:focus{border-color:var(--accent)}.modal__input::placeholder{color:var(--muted)}.modal__hint{font-size:.75rem;color:var(--muted);margin-top:8px;line-height:1.4}.modal__actions{display:flex;gap:10px;margin-top:24px}.modal__btn{flex:1;padding:12px 16px;border-radius:var(--radius-sm);font-size:.9375rem;font-weight:600;transition:opacity .15s,background .15s}.modal__btn--save{background:var(--accent);color:var(--bg)}.modal__btn--save:hover{opacity:.85}.modal__btn--cancel{background:transparent;border:1px solid var(--border);color:var(--muted)}.modal__btn--cancel:hover{color:var(--fg);border-color:var(--muted)}.modal__status{font-size:.8125rem;color:var(--accent);margin-top:12px;font-weight:600}@media (max-width: 600px){.header{padding:12px 16px}.chat{padding:16px 12px}.input-area{padding:12px 16px}.msg{max-width:88%}.header__btn span{display:none}.header__btn{padding:8px}}