:root{--bg-primary: #0a0a0a;--bg-secondary: #141414;--bg-tertiary: #1f1f1f;--sidebar-bg: rgba(15, 15, 15, .8);--text-primary: #f5f5f5;--text-secondary: #a0a0a0;--text-muted: #666666;--accent: #3b82f6;--accent-hover: #60a5fa;--accent-muted: rgba(59, 130, 246, .1);--border-color: #262626;--error: #ef4444;--success: #10b981;--sidebar-width: 300px;--header-height: 56px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--glass-blur: blur(12px);--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1)}*{box-sizing:border-box;margin:0;padding:0;-webkit-font-smoothing:antialiased}body{font-family:Inter,-apple-system,system-ui,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);height:100vh;overflow:hidden}#app-layout{display:flex;height:100vh;width:100vw}#sidebar{width:var(--sidebar-width);background:var(--sidebar-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border-right:1px solid var(--border-color);display:flex;flex-direction:column;transition:transform .3s ease;z-index:100}.sidebar-header{padding:20px;display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:10px;font-weight:600;font-size:1.1rem;color:var(--text-primary);text-decoration:none}.logo:hover{color:var(--accent-hover)}.logo svg{color:var(--accent)}.sidebar-content{flex:1;overflow-y:auto;padding:0 20px}.status-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:12px;margin-bottom:24px}.status-item{display:flex;justify-content:space-between;font-size:.8rem;padding:4px 0}.status-label{color:var(--text-secondary)}.status-value{font-weight:500}.status-value.success{color:var(--success)}.status-value.error{color:var(--error)}.status-value.pending{color:var(--text-muted)}.group-label{display:block;font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:8px;font-weight:600}.mode-tabs{display:flex;background:var(--bg-tertiary);padding:4px;border-radius:var(--radius-sm);margin-bottom:20px}.mode-tab{flex:1;background:transparent;border:none;color:var(--text-secondary);padding:6px;font-size:.85rem;cursor:pointer;border-radius:4px;transition:all .2s}.mode-tab.active{background:var(--bg-secondary);color:var(--text-primary);box-shadow:var(--shadow-sm)}.settings-group{display:none}.settings-group.active{display:block}.group-header{font-size:.9rem;font-weight:500;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--border-color)}.input-field{margin-bottom:12px}.input-field label{display:block;font-size:.75rem;color:var(--text-secondary);margin-bottom:4px}.input-field input{width:100%;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:8px 12px;color:var(--text-primary);font-size:.85rem;outline:none}.input-field input:focus{border-color:var(--accent)}.model-list-link{display:inline-block;font-size:.7rem;color:var(--text-muted);text-decoration:none;margin-top:4px;transition:color .2s}.model-list-link:hover{color:var(--accent)}.toggle-field{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.toggle-field label{font-size:.85rem;color:var(--text-secondary)}.row-inputs{display:grid;grid-template-columns:1fr 1fr;gap:12px}.sidebar-footer{padding:20px;border-top:1px solid var(--border-color);gap:10px;display:flex;flex-direction:column}.primary-btn{background:var(--accent);color:#fff;border:none;padding:10px;border-radius:var(--radius-md);font-weight:500;cursor:pointer;transition:background .2s}.primary-btn:hover{background:var(--accent-hover)}.secondary-btn{background:transparent;border:1px solid var(--border-color);color:var(--text-secondary);padding:8px;border-radius:var(--radius-md);cursor:pointer}.secondary-btn:hover{background:var(--bg-tertiary);color:var(--text-primary)}.code-snippet-panel{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-sm);overflow:hidden}.code-snippet-panel summary{padding:8px 12px;font-size:.8rem;font-weight:500;color:var(--text-secondary);cursor:pointer;-webkit-user-select:none;user-select:none;list-style:none}.code-snippet-panel summary::-webkit-details-marker{display:none}.code-snippet-panel summary:before{content:"▸ ";font-size:.7rem}.code-snippet-panel[open] summary:before{content:"▾ "}.code-snippet-panel summary:hover{color:var(--text-primary)}.code-wrapper{position:relative;border-top:1px solid var(--border-color)}.code-wrapper pre{margin:0;padding:12px;overflow-x:auto;font-size:.72rem;line-height:1.5}.code-wrapper code{font-family:JetBrains Mono,monospace;color:var(--text-secondary);white-space:pre}.copy-btn{position:absolute;top:6px;right:6px;background:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-muted);font-size:.65rem;padding:2px 8px;border-radius:4px;cursor:pointer;transition:all .2s;z-index:1}.copy-btn:hover{color:var(--text-primary);border-color:var(--accent)}.full-width{width:100%}#chat-container{flex:1;display:flex;flex-direction:column;background:var(--bg-primary);position:relative}.mobile-header{display:none;height:var(--header-height);padding:0 16px;align-items:center;gap:16px;border-bottom:1px solid var(--border-color);background:var(--bg-primary);width:100%}.progress-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#0006;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:50;display:flex;align-items:center;justify-content:center}.progress-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:24px;width:320px;box-shadow:var(--shadow-md)}.loader-spinner{width:24px;height:24px;border:2px solid var(--accent-muted);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin-bottom:16px}@keyframes spin{to{transform:rotate(360deg)}}.progress-info span{display:block;font-size:.9rem;margin-bottom:8px}.progress-track{height:4px;background:var(--bg-tertiary);border-radius:2px;overflow:hidden}#progress-fill{height:100%;background:var(--accent);width:0%;transition:width .3s}#messages{flex:1;overflow-y:auto;padding:40px 20px;display:flex;flex-direction:column;gap:24px}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-muted);text-align:center}.logo-large{margin-bottom:20px;opacity:.2}.empty-state h2{color:var(--text-secondary);margin-bottom:8px}.message{max-width:800px;margin:0 auto;width:100%;display:flex;flex-direction:column;gap:8px;animation:fadeIn .3s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message.user{align-items:flex-end}.message.assistant{align-items:flex-start}.message-content{padding:12px 16px;border-radius:var(--radius-lg);line-height:1.6;font-size:.95rem;white-space:pre-wrap;word-wrap:break-word}.message.user .message-content{background:var(--accent);color:#fff;border-bottom-right-radius:4px}.message.assistant .message-content{background:var(--bg-secondary);color:var(--text-primary);border-bottom-left-radius:4px;border:1px solid var(--border-color)}.model-tag{font-family:JetBrains Mono,monospace;font-size:.7rem;color:var(--text-muted);padding:2px 6px;background:var(--bg-tertiary);border-radius:4px}.system-tag{font-style:italic;color:var(--text-muted);font-size:.8rem;margin:10px 0;align-self:center}#input-wrapper{padding:0 20px 24px;max-width:840px;margin:0 auto;width:100%}.input-box{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:10px 14px;display:flex;align-items:flex-end;gap:12px;box-shadow:var(--shadow-md);transition:border-color .2s}.input-box:focus-within{border-color:var(--accent)}#user-input{flex:1;background:transparent;border:none;outline:none;color:var(--text-primary);font-family:inherit;font-size:.95rem;padding:8px 0;resize:none;max-height:200px}.input-actions{display:flex;gap:8px;padding-bottom:4px}.action-btn{width:36px;height:36px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;cursor:pointer;border:none;transition:all .2s}.action-btn.send{background:var(--accent);color:#fff}.action-btn.send:disabled{background:var(--bg-tertiary);color:var(--text-muted);cursor:not-allowed}.action-btn.stop{background:var(--error);color:#fff}.footer-note{text-align:center;font-size:.7rem;color:var(--text-muted);margin-top:12px}.hidden{display:none!important}.hidden-select{display:none}.icon-btn{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;padding:4px;border-radius:var(--radius-sm);transition:all .2s}.icon-btn:hover{background:var(--bg-tertiary);color:var(--text-primary)}.mobile-only{display:none}#sidebar-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0009;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:95;transition:opacity .3s}@media(max-width:768px){.mobile-only{display:flex!important}#sidebar{position:absolute;transform:translate(-100%);height:100%;z-index:100}#sidebar.open{transform:translate(0)}.mobile-header{display:flex}}