.chat-page.svelte-1uha8ag{background:var(--bg-primary);height:100vh;display:flex;position:relative;overflow:hidden}.sidebar.svelte-1uha8ag{background:var(--bg-secondary);border-right:1px solid var(--border-color);z-index:10;flex-direction:column;flex-shrink:0;gap:12px;width:280px;min-width:280px;padding:20px;transition:transform .3s;display:flex;overflow-y:auto}.sidebar.mobile-open.svelte-1uha8ag{box-shadow:2px 0 24px var(--shadow-lg);z-index:100;position:fixed;top:0;bottom:0;left:0;transform:translate(0)}.sidebar.svelte-1uha8ag:not(.open){transform:translate(-100%)}@media (width>=769px){.sidebar.svelte-1uha8ag{box-shadow:none!important;position:relative!important;transform:translate(0)!important}.sidebar-close.svelte-1uha8ag,.sidebar-overlay.svelte-1uha8ag{display:none!important}}.sidebar-header.svelte-1uha8ag{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding-bottom:12px;display:flex}.logo.svelte-1uha8ag{align-items:center;gap:10px;font-size:18px;font-weight:700;display:flex}.logo-icon.svelte-1uha8ag{font-size:24px}.logo-text.svelte-1uha8ag{background:linear-gradient(135deg,#7c3aed,#ec4899);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.sidebar-close.svelte-1uha8ag{background:var(--bg-hover);width:32px;height:32px;color:var(--text-secondary);cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:16px;display:flex}.sidebar-user.svelte-1uha8ag{background:var(--bg-hover);border-radius:12px;align-items:center;gap:12px;padding:12px;display:flex}.user-avatar.svelte-1uha8ag{color:#fff;background:linear-gradient(135deg,#7c3aed,#ec4899);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:18px;font-weight:700;display:flex}.user-info.svelte-1uha8ag{flex:1;min-width:0}.user-name.svelte-1uha8ag{color:var(--text-primary);font-size:14px;font-weight:600}.user-tier.svelte-1uha8ag{margin-top:2px}.tier-badge.svelte-1uha8ag{border-radius:8px;padding:2px 8px;font-size:10px;font-weight:600}.tier-badge.pro.svelte-1uha8ag{color:#f59e0b;background:#f59e0b33}.tier-badge.free.svelte-1uha8ag{color:#6b7280;background:#6b728026}.sidebar-usage.svelte-1uha8ag{background:var(--bg-hover);border-radius:12px;padding:12px}.usage-header.svelte-1uha8ag{color:var(--text-secondary);justify-content:space-between;margin-bottom:4px;font-size:12px;display:flex}.usage-count.svelte-1uha8ag{color:var(--text-primary);font-weight:600}.usage-bar.svelte-1uha8ag{background:var(--bg-input);border-radius:2px;width:100%;height:4px;overflow:hidden}.usage-fill.svelte-1uha8ag{background:linear-gradient(90deg,#7c3aed,#ec4899);border-radius:2px;height:100%;transition:width .3s}.usage-text.svelte-1uha8ag{color:var(--text-muted);margin-top:4px;font-size:11px}.sidebar-divider.svelte-1uha8ag{background:var(--border-color);height:1px}.new-chat-btn.svelte-1uha8ag{color:#fff;cursor:pointer;text-align:center;background:linear-gradient(135deg,#7c3aed,#ec4899);border:none;border-radius:10px;width:100%;padding:10px 16px;font-size:14px;font-weight:600;transition:all .2s}.new-chat-btn.svelte-1uha8ag:hover{transform:translateY(-2px);box-shadow:0 4px 16px #7c3aed4d}.sidebar-conversations.svelte-1uha8ag{flex-direction:column;flex:1;gap:4px;min-height:0;display:flex;overflow-y:auto}.conversations-label.svelte-1uha8ag{color:var(--text-secondary);margin-bottom:4px;padding:0 4px;font-size:12px;font-weight:600}.conversation-item.svelte-1uha8ag{background:var(--bg-input);color:var(--text-primary);cursor:pointer;text-align:left;-webkit-user-select:none;user-select:none;border:1px solid #0000;border-radius:8px;align-items:center;gap:8px;width:100%;padding:8px 12px;font-size:13px;transition:all .2s;display:flex;position:relative}.conversation-item.svelte-1uha8ag:hover{background:var(--bg-hover);border-color:var(--border-color)}.conversation-item.svelte-1uha8ag:focus-visible{outline-offset:2px;outline:2px solid #7c3aed}.conversation-item.active.svelte-1uha8ag{background:#7c3aed1a;border-color:#7c3aed}.conv-icon.svelte-1uha8ag{flex-shrink:0;font-size:14px}.conv-title.svelte-1uha8ag{text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:13px;overflow:hidden}.conv-time.svelte-1uha8ag{color:var(--text-muted);flex-shrink:0;font-size:10px}.conv-delete.svelte-1uha8ag{width:24px;height:24px;color:var(--text-muted);cursor:pointer;opacity:0;background:0 0;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:12px;transition:all .2s;display:flex}.conversation-item.svelte-1uha8ag:hover .conv-delete:where(.svelte-1uha8ag){opacity:1}.conv-delete.svelte-1uha8ag:hover{color:#ef4444;background:#ef44441a}.no-conversations.svelte-1uha8ag{text-align:center;color:var(--text-muted);padding:16px 8px;font-size:13px}.loading-conversations.svelte-1uha8ag{text-align:center;color:var(--text-muted);padding:16px 8px;font-size:16px}.loading-dot.svelte-1uha8ag{font-size:24px;line-height:1;animation:1.4s infinite svelte-1uha8ag-dot;display:inline-block}.loading-dot.svelte-1uha8ag:nth-child(2){animation-delay:.2s}.loading-dot.svelte-1uha8ag:nth-child(3){animation-delay:.4s}@keyframes svelte-1uha8ag-dot{0%,80%,to{opacity:0}40%{opacity:1}}.sidebar-models.svelte-1uha8ag{flex-direction:column;gap:4px;display:flex}.models-label.svelte-1uha8ag{color:var(--text-secondary);margin-bottom:4px;font-size:12px;font-weight:600}.model-btn.svelte-1uha8ag{background:var(--bg-input);color:var(--text-primary);cursor:pointer;text-align:left;border:1px solid #0000;border-radius:8px;align-items:center;gap:8px;width:100%;padding:8px 12px;font-size:13px;transition:all .2s;display:flex}.model-btn.svelte-1uha8ag:hover:not(:disabled){background:var(--bg-hover);border-color:var(--border-color)}.model-btn.active.svelte-1uha8ag{background:#7c3aed1a;border-color:#7c3aed}.model-btn.locked.svelte-1uha8ag{opacity:.5;cursor:not-allowed}.model-icon.svelte-1uha8ag{font-size:14px}.model-name.svelte-1uha8ag{flex:1}.model-badge.pro.svelte-1uha8ag{color:#f59e0b;background:#f59e0b33;border-radius:8px;padding:1px 6px;font-size:9px;font-weight:600}.model-lock.svelte-1uha8ag{font-size:12px}.developer-link.svelte-1uha8ag{color:#7c3aed;background:#7c3aed0d;border:1px solid #7c3aed26;border-radius:8px;align-items:center;gap:8px;padding:10px 12px;font-size:13px;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.developer-link.svelte-1uha8ag:hover{background:#7c3aed1a;border-color:#7c3aed}.sidebar-actions.svelte-1uha8ag{border-top:1px solid var(--border-color);flex-direction:column;gap:8px;padding-top:12px;display:flex}.action-btn.svelte-1uha8ag{cursor:pointer;text-align:left;border:none;border-radius:8px;padding:8px 12px;font-size:13px;transition:all .2s}.action-btn.export.svelte-1uha8ag{color:#3b82f6;background:#3b82f61a}.action-btn.export.svelte-1uha8ag:hover{background:#3b82f633}.action-btn.clear.svelte-1uha8ag{color:var(--text-secondary);background:#6b72801a}.action-btn.clear.svelte-1uha8ag:hover{background:#6b728033}.action-btn.logout.svelte-1uha8ag{color:#ef4444;background:#ef44441a}.action-btn.logout.svelte-1uha8ag:hover{background:#ef444433}.sidebar-footer.svelte-1uha8ag{text-align:center;color:var(--text-muted);border-top:1px solid var(--border-color);padding-top:8px;font-size:11px}.model-count.svelte-1uha8ag{color:var(--text-muted);margin-top:2px;font-size:10px}.sidebar-overlay.svelte-1uha8ag{z-index:99;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0006;position:fixed;inset:0}.chat-main.svelte-1uha8ag{background:var(--bg-primary);flex-direction:column;flex:1;min-width:0;display:flex}.chat-header.svelte-1uha8ag{border-bottom:1px solid var(--border-color);background:var(--bg-secondary);flex-wrap:wrap;flex-shrink:0;justify-content:space-between;align-items:center;gap:12px;padding:12px 20px;display:flex}.header-left.svelte-1uha8ag{align-items:center;gap:12px;display:flex}.menu-toggle.svelte-1uha8ag{width:36px;height:36px;color:var(--text-primary);cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;display:flex}.menu-toggle.svelte-1uha8ag:hover{background:var(--bg-hover)}@media (width>=769px){.menu-toggle.svelte-1uha8ag{display:none}}.chat-title.svelte-1uha8ag{color:var(--text-primary);align-items:center;gap:10px;max-width:300px;font-size:16px;font-weight:600;display:flex}.chat-title.svelte-1uha8ag span:where(.svelte-1uha8ag):first-child{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.model-indicator.svelte-1uha8ag{color:var(--text-muted);background:var(--bg-hover);border-radius:12px;flex-shrink:0;padding:2px 10px;font-size:11px;font-weight:400}.header-right.svelte-1uha8ag{align-items:center;gap:8px;display:flex}.keyboard-toggle.svelte-1uha8ag{border:1px solid var(--border-color);background:var(--bg-input);color:var(--text-primary);cursor:pointer;border-radius:8px;padding:4px 12px;font-size:12px;font-weight:500;transition:all .2s}.keyboard-toggle.khmer.svelte-1uha8ag{color:#7c3aed;background:#7c3aed1a;border-color:#7c3aed}.keyboard-toggle.english.svelte-1uha8ag{border-color:var(--border-color);background:var(--bg-input)}.keyboard-toggle.svelte-1uha8ag:hover{transform:scale(1.05)}.lang-selector.svelte-1uha8ag{border:1px solid var(--border-color);border-radius:8px;display:flex;overflow:hidden}.lang-btn.svelte-1uha8ag{background:var(--bg-input);color:var(--text-secondary);cursor:pointer;border:none;padding:4px 10px;font-size:12px;font-weight:500;transition:all .2s}.lang-btn.svelte-1uha8ag:hover{background:var(--bg-hover)}.lang-btn.active.svelte-1uha8ag{background:var(--accent);color:#fff}.theme-toggle-small.svelte-1uha8ag{border:1px solid var(--border-color);background:var(--bg-input);width:32px;height:32px;color:var(--text-primary);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;font-size:16px;display:flex}.theme-toggle-small.svelte-1uha8ag:hover{background:var(--bg-hover)}.chat-messages.svelte-1uha8ag{scroll-behavior:smooth;flex-direction:column;flex:1;gap:16px;padding:20px 24px;display:flex;overflow-y:auto}.loading-state.svelte-1uha8ag{color:var(--text-secondary);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:12px;display:flex}.loading-spinner.svelte-1uha8ag{border:3px solid var(--border-color);border-top-color:#7c3aed;border-radius:50%;width:32px;height:32px;animation:.8s linear infinite svelte-1uha8ag-spin}@keyframes svelte-1uha8ag-spin{to{transform:rotate(360deg)}}.empty-state.svelte-1uha8ag{color:var(--text-secondary);text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:8px;padding:20px;animation:.5s fadeIn;display:flex}.empty-icon.svelte-1uha8ag{font-size:72px;animation:3s ease-in-out infinite svelte-1uha8ag-float}@keyframes svelte-1uha8ag-float{0%,to{transform:translateY(0)}50%{transform:translateY(-15px)}}.empty-state.svelte-1uha8ag h3:where(.svelte-1uha8ag){color:var(--text-primary);margin:0;font-size:28px}.empty-state.svelte-1uha8ag p:where(.svelte-1uha8ag){color:var(--text-muted);margin:0;font-size:16px}.quick-prompts.svelte-1uha8ag{flex-wrap:wrap;justify-content:center;gap:8px;margin-top:16px;animation:.6s svelte-1uha8ag-fadeInUp;display:flex}@keyframes svelte-1uha8ag-fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.prompt-btn.svelte-1uha8ag{border:1px solid var(--border-color);background:var(--bg-input);color:var(--text-primary);cursor:pointer;border-radius:20px;padding:8px 16px;font-size:13px;transition:all .2s}.prompt-btn.svelte-1uha8ag:hover{background:var(--bg-hover);border-color:var(--accent);transform:translateY(-2px)}.message.svelte-1uha8ag{gap:12px;max-width:85%;animation:.3s svelte-1uha8ag-slideIn;display:flex}@keyframes svelte-1uha8ag-slideIn{0%{opacity:0;transform:translateY(10px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}.message.user.svelte-1uha8ag{flex-direction:row-reverse;align-self:flex-end}.message-avatar.svelte-1uha8ag{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:14px;font-weight:600;transition:all .2s;display:flex}.message.user.svelte-1uha8ag .message-avatar:where(.svelte-1uha8ag){color:#fff;background:linear-gradient(135deg,#7c3aed,#ec4899)}.message.assistant.svelte-1uha8ag .message-avatar:where(.svelte-1uha8ag){background:var(--bg-hover);color:var(--text-primary);font-size:18px}.message-content.svelte-1uha8ag{flex-direction:column;gap:4px;max-width:100%;display:flex}.message-text.svelte-1uha8ag{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-color);word-wrap:break-word;white-space:pre-wrap;border-radius:16px;padding:12px 18px;font-size:15px;line-height:1.7;transition:all .2s}.message.user.svelte-1uha8ag .message-text:where(.svelte-1uha8ag){color:#fff;background:linear-gradient(135deg,#7c3aed,#ec4899);border:none;border-radius:16px 16px 4px}.message.assistant.svelte-1uha8ag .message-text:where(.svelte-1uha8ag){border-radius:16px 16px 16px 4px}.message-time.svelte-1uha8ag{color:var(--text-muted);opacity:.7;padding:0 4px;font-size:11px}.message.user.svelte-1uha8ag .message-time:where(.svelte-1uha8ag){text-align:right}.typing.svelte-1uha8ag{color:var(--text-muted)}.typing.svelte-1uha8ag .dot:where(.svelte-1uha8ag){font-size:20px;line-height:1;animation:1.4s infinite svelte-1uha8ag-dot;display:inline-block}.typing.svelte-1uha8ag .dot:where(.svelte-1uha8ag):nth-child(2){animation-delay:.2s}.typing.svelte-1uha8ag .dot:where(.svelte-1uha8ag):nth-child(3){animation-delay:.4s}.chat-input-area.svelte-1uha8ag{border-top:1px solid var(--border-color);background:var(--bg-secondary);flex-shrink:0;padding:16px 24px 20px}.input-wrapper.svelte-1uha8ag{align-items:flex-end;gap:12px;display:flex}.input-container.svelte-1uha8ag{background:var(--bg-input);border:2px solid var(--border-color);border-radius:12px;flex:1;align-items:stretch;gap:0;transition:border-color .2s;display:flex;overflow:hidden}.input-container.svelte-1uha8ag:focus-within{border-color:#7c3aed}.keyboard-indicator.svelte-1uha8ag{width:44px;min-height:44px;color:var(--text-secondary);cursor:pointer;border:none;border-right:1px solid var(--border-color);background:0 0;flex-shrink:0;justify-content:center;align-items:center;font-size:18px;transition:all .2s;display:flex}.keyboard-indicator.khmer.svelte-1uha8ag{color:#7c3aed;background:#7c3aed0d}.keyboard-indicator.svelte-1uha8ag:hover{background:var(--bg-hover)}.chat-input.svelte-1uha8ag{color:var(--text-primary);resize:none;background:0 0;border:none;outline:none;flex:1;min-height:44px;max-height:120px;padding:10px 14px;font-family:inherit;font-size:14px;line-height:1.5}.chat-input.svelte-1uha8ag:disabled{opacity:.6}.chat-input[lang=km].svelte-1uha8ag{font-family:Khmer OS,Khmer,Noto Sans Khmer,Moul,Battambang,sans-serif;font-size:16px}.send-btn.svelte-1uha8ag{color:#fff;cursor:pointer;background:linear-gradient(135deg,#7c3aed,#ec4899);border:none;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;margin-left:8px;font-size:20px;transition:all .2s;display:flex}.send-btn.svelte-1uha8ag:hover:not(:disabled){transform:scale(1.05);box-shadow:0 4px 12px #7c3aed4d}.send-btn.svelte-1uha8ag:disabled{opacity:.5;cursor:not-allowed;transform:none}.keyboard-hint.svelte-1uha8ag{color:var(--text-muted);margin-left:12px;font-size:11px}.switch-hint.svelte-1uha8ag{opacity:.6;font-size:10px}.input-hint.svelte-1uha8ag{color:var(--text-muted);flex-wrap:wrap;justify-content:space-between;gap:4px;margin-top:6px;padding:0 4px;font-size:11px;display:flex}.hint-left.svelte-1uha8ag{flex-wrap:wrap;align-items:center;gap:4px;display:flex}.hint-right.svelte-1uha8ag{opacity:.7}.scroll-bottom-btn.svelte-1uha8ag{color:#fff;cursor:pointer;z-index:5;background:linear-gradient(135deg,#7c3aed,#ec4899);border:none;border-radius:50%;justify-content:center;align-self:center;align-items:center;width:40px;height:40px;margin-top:-10px;font-size:20px;transition:all .2s;display:flex;position:sticky;bottom:20px;left:50%;transform:translate(-50%);box-shadow:0 4px 16px #7c3aed4d}.scroll-bottom-btn.svelte-1uha8ag:hover{transform:translate(-50%)scale(1.1);box-shadow:0 8px 24px #7c3aed66}@media (width<=768px){.sidebar.svelte-1uha8ag{z-index:100;width:280px;box-shadow:2px 0 24px var(--shadow-lg);position:fixed;top:0;bottom:0;left:0;transform:translate(-100%)}.sidebar.open.svelte-1uha8ag{transform:translate(0)}.chat-messages.svelte-1uha8ag{padding:16px}.message.svelte-1uha8ag{max-width:95%}.chat-input-area.svelte-1uha8ag{padding:12px 16px 16px}.chat-header.svelte-1uha8ag{padding:10px 16px}.quick-prompts.svelte-1uha8ag{gap:6px}.prompt-btn.svelte-1uha8ag{padding:6px 12px;font-size:12px}.lang-btn.svelte-1uha8ag{padding:3px 8px;font-size:11px}.chat-title.svelte-1uha8ag{max-width:150px;font-size:14px}.keyboard-indicator.svelte-1uha8ag{width:38px;min-height:38px;font-size:16px}.chat-input.svelte-1uha8ag{min-height:38px;padding:8px 12px;font-size:13px}.chat-input[lang=km].svelte-1uha8ag{font-size:15px}.send-btn.svelte-1uha8ag{width:38px;height:38px;font-size:16px}.keyboard-hint.svelte-1uha8ag .switch-hint:where(.svelte-1uha8ag){display:none}.conv-delete.svelte-1uha8ag{opacity:1}}@media (width<=480px){.chat-messages.svelte-1uha8ag{padding:12px}.message-text.svelte-1uha8ag{padding:10px 12px;font-size:14px}.input-wrapper.svelte-1uha8ag{gap:8px}.keyboard-indicator.svelte-1uha8ag{width:34px;min-height:34px;font-size:14px}.chat-input.svelte-1uha8ag{min-height:34px;padding:6px 10px;font-size:12px}.chat-input[lang=km].svelte-1uha8ag{font-size:14px}.send-btn.svelte-1uha8ag{width:34px;height:34px;margin-left:4px;font-size:14px}.model-indicator.svelte-1uha8ag,.lang-selector.svelte-1uha8ag .lang-btn:where(.svelte-1uha8ag):not(.active){display:none}.header-right.svelte-1uha8ag{gap:4px}.keyboard-toggle.svelte-1uha8ag{padding:2px 8px;font-size:10px}.chat-title.svelte-1uha8ag{max-width:100px;font-size:13px}}