:root {
    --bg: #0f1117;
    --bg-card: #1a1d27;
    --bg-input: #242836;
    --bg-hover: #2a2e3d;
    --border: #2e3348;
    --text: #e4e6ed;
    --text-muted: #8b8fa3;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-dim: #4f46e520;
    --user-bg: #6366f1;
    --assistant-bg: #1e2235;
    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;
    --thinking-bg: #1c1f2e;
    --thinking-border: #3b3f5c;
    --tool-bg: #161925;
    --tool-border: #2a3050;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }

  body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    height: 100vh;         /* fallback for old browsers */
    height: 100dvh;        /* dynamic viewport — excludes browser URL/nav bar */
    overflow: hidden;
    display: flex;
    flex-direction: column;
    /* push content below status bar when in standalone/PWA mode */
    padding-top: env(safe-area-inset-top);
  }

  /* ── Header ── */
  header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 10px 20px; border-bottom: 1px solid var(--border);
    background: var(--bg-card); flex-shrink: 0; z-index: 10;
  }
  .logo { display: flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 700; }
  button.logo { background: none; border: none; padding: 0; color: inherit; cursor: pointer; border-radius: 8px; transition: opacity 0.15s; }
  button.logo:hover { opacity: 0.75; }
  .logo-icon { width: 30px; height: 30px; background: var(--accent); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 14px; }
  /* ── New text logo ── */
  .logo-text { font-size: 1.05rem; font-weight: 700; letter-spacing: -0.02em; white-space: nowrap; }
  .logo-accent { color: var(--accent); }
  .header-logo { background: none; border: none; padding: 0; color: var(--text); cursor: pointer; font-family: var(--font); transition: opacity 0.15s; }
  .header-logo:hover { opacity: 0.75; }
  .header-right { display: flex; align-items: center; gap: 12px; }
  .user-badge { display: flex; align-items: center; gap: 6px; color: var(--text-muted); font-size: 12px; }
  .status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--success); }

  /* ── Credits badge ── */
  .credits-badge { display: none; align-items: center; gap: 5px; font-size: 11px; font-weight: 600; padding: 4px 10px; border-radius: 20px; border: 1px solid var(--border); background: var(--bg-input); cursor: default; white-space: nowrap; }
  .credits-badge.level-ok { color: var(--success); border-color: color-mix(in srgb, var(--success) 30%, transparent); }
  .credits-badge.level-low { color: var(--warning); border-color: color-mix(in srgb, var(--warning) 30%, transparent); }
  .credits-badge.level-critical { color: var(--error); border-color: color-mix(in srgb, var(--error) 30%, transparent); }

  /* ── Toast notifications ── */
  .toast-container { position: fixed; top: 16px; right: 16px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; pointer-events: none; }
  .toast { pointer-events: auto; display: flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: 10px; font-size: 13px; font-family: var(--font); color: white; background: var(--bg-card); border: 1px solid var(--border); box-shadow: 0 4px 20px rgba(0,0,0,0.4); animation: toast-in 0.3s ease; max-width: 400px; }
  .toast.toast-error { border-color: var(--error); background: color-mix(in srgb, var(--error) 15%, var(--bg-card)); }
  .toast.toast-warning { border-color: var(--warning); background: color-mix(in srgb, var(--warning) 15%, var(--bg-card)); }
  .toast.toast-info { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, var(--bg-card)); }
  .toast.toast-out { animation: toast-out 0.3s ease forwards; }
  @keyframes toast-in { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: translateX(0); } }
  @keyframes toast-out { from { opacity: 1; transform: translateX(0); } to { opacity: 0; transform: translateX(40px); } }

  /* ── Buttons ── */
  button { font-family: var(--font); cursor: pointer; border: none; border-radius: 8px; font-size: 13px; font-weight: 500; transition: all 0.15s; }
  .btn-primary { background: var(--accent); color: white; padding: 8px 16px; }
  .btn-primary:hover { background: var(--accent-hover); }
  .btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
  .btn-ghost { background: transparent; color: var(--text-muted); padding: 6px 12px; border: 1px solid var(--border); }
  .btn-ghost:hover { color: var(--text); border-color: var(--text-muted); }
  .btn-danger { background: transparent; color: var(--error, #f85149); padding: 6px 12px; border: 1px solid var(--error, #f85149); }
  .btn-danger:hover { background: rgba(248,81,73,0.1); }
  .btn-sm { padding: 5px 10px; font-size: 11px; }
  .btn-icon { background: transparent; color: var(--text-muted); width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; border-radius: 6px; padding: 0; font-size: 16px; }
  .btn-icon:hover { background: var(--bg-hover); color: var(--text); }
  .btn-icon.active { color: var(--accent); }

  /* ── Auth Screen ── */
  #auth-screen { flex: 1; display: none; flex-direction: column; align-items: center; justify-content: center; padding: 24px; }
  .auth-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 36px; width: 100%; max-width: 380px; }
  .auth-card h2 { font-size: 22px; font-weight: 700; margin-bottom: 4px; }
  .auth-card p { color: var(--text-muted); font-size: 13px; margin-bottom: 24px; }
  .form-group { margin-bottom: 14px; }
  .form-group label { display: block; font-size: 12px; font-weight: 500; color: var(--text-muted); margin-bottom: 4px; }
  .form-group input, .form-group select { width: 100%; padding: 9px 12px; background: var(--bg-input); border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-size: 13px; font-family: var(--font); outline: none; transition: border-color 0.15s; }
  .form-group input:focus, .form-group select:focus { border-color: var(--accent); }
  .auth-error { color: var(--error); font-size: 12px; margin-bottom: 10px; display: none; }
  .auth-toggle { text-align: center; margin-top: 16px; font-size: 12px; color: var(--text-muted); }
  .auth-toggle a { color: var(--accent); text-decoration: none; cursor: pointer; }

  /* ── Chat Screen ── */
  #chat-screen { flex: 1; display: none; flex-direction: column; overflow: hidden; }
  .chat-layout { flex: 1; display: flex; overflow: hidden; }

  /* ── Sidebar ── */
  .sidebar { width: 260px; border-right: 1px solid var(--border); background: var(--bg-card); display: flex; flex-direction: column; flex-shrink: 0; }
  .sidebar-header { padding: 12px; border-bottom: 1px solid var(--border); flex-shrink: 0; }
  .sidebar-section-title { font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); padding: 12px 12px 6px; }
  .sidebar-list { overflow-y: auto; padding: 4px 8px; }
  .sidebar-list::-webkit-scrollbar { width: 4px; }
  .sidebar-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
  .sidebar-item { padding: 8px 10px; border-radius: 6px; cursor: pointer; font-size: 12px; color: var(--text-muted); margin-bottom: 2px; transition: background 0.12s; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: flex; align-items: center; gap: 8px; }
  .sidebar-item:hover { background: var(--bg-hover); color: var(--text); }
  .sidebar-item.active { background: var(--accent-dim); color: var(--text); }
  .sidebar-item .icon { font-size: 14px; flex-shrink: 0; }
  .sidebar-footer { padding: 10px 12px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 6px; flex-shrink: 0; }
  .provider-row { display: flex; gap: 6px; }
  .provider-row select { flex: 1; padding: 5px 8px; background: var(--bg-input); border: 1px solid var(--border); border-radius: 6px; color: var(--text); font-size: 11px; font-family: var(--font); outline: none; }

  /* Sidebar user row (shown on mobile Her) */
  .sidebar-user-row { display: none; flex-direction: row; align-items: center; justify-content: space-between; gap: 8px; padding-top: 6px; border-top: 1px solid var(--border); margin-top: 4px; }
  .sidebar-user-info { display: flex; align-items: center; gap: 6px; color: var(--text-muted); font-size: 11px; overflow: hidden; }
  .sidebar-user-info .status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--success); flex-shrink: 0; }
  .sidebar-user-info span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

  /* Mobile-only header buttons — hidden by default, shown on mobile */
  .mob-header-files, .mob-header-sessions { display: none !important; }

  /* ── Main Chat ── */
  .chat-main { flex: 1; display: flex; flex-direction: column; overflow: hidden; min-width: 0; position: relative; }

  /* ── Messages ── */
  .messages { flex: 1; overflow-y: auto; padding: 20px 24px; display: flex; flex-direction: column; gap: 16px; }
  .messages::-webkit-scrollbar { width: 5px; }
  .messages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

  /* ── Welcome ── */
  .welcome { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; color: var(--text-muted); text-align: center; padding: 40px; }
  .welcome h3 { font-size: 20px; color: var(--text); font-weight: 600; }
  .welcome p { font-size: 13px; max-width: 420px; line-height: 1.6; }
  .suggestions { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 8px; }
  .suggestion { padding: 7px 14px; background: var(--bg-input); border: 1px solid var(--border); border-radius: 20px; color: var(--text-muted); font-size: 12px; cursor: pointer; transition: all 0.15s; }
  .suggestion:hover { border-color: var(--accent); color: var(--text); background: var(--accent-dim); }

  /* ── Message Bubbles ── */
  .msg { display: flex; gap: 10px; max-width: 85%; line-height: 1.6; font-size: 14px; }
  .msg.user { align-self: flex-end; flex-direction: row-reverse; }
  .msg-avatar { width: 30px; height: 30px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 13px; flex-shrink: 0; margin-top: 2px; }
  .msg.user .msg-avatar { background: var(--accent); }
  .msg.assistant .msg-avatar { background: #374151; }
  .msg-content { display: flex; flex-direction: column; gap: 8px; min-width: 0; max-width: 100%; }
  .msg-body { padding: 10px 14px; border-radius: 12px; word-wrap: break-word; overflow-wrap: break-word; }
  .msg.user .msg-body { background: var(--user-bg); border-bottom-right-radius: 4px; white-space: pre-wrap; }
  .msg.assistant .msg-body { background: var(--assistant-bg); border: 1px solid var(--border); border-bottom-left-radius: 4px; }
  /* ── Attachment list under user bubble ── */
  .msg-attach-row { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 4px; justify-content: flex-end; }
  .msg-attach-row .attach-chip { text-decoration: none; color: inherit; cursor: pointer; }
  .msg-attach-row .attach-chip:hover { border-color: var(--accent); color: var(--accent); }
  .attach-thumb { width: 36px; height: 36px; object-fit: cover; border-radius: 4px; flex-shrink: 0; }
  /* Larger image preview chip layout */
  .attach-chip.has-thumb { padding: 3px 8px 3px 3px; }

  /* ── Markdown in messages ── */
  .msg-body pre { background: #0d1017; padding: 12px 14px; border-radius: 8px; overflow-x: auto; margin: 8px 0; font-family: var(--mono); font-size: 12px; line-height: 1.5; border: 1px solid var(--border); position: relative; }
  .msg-body code { font-family: var(--mono); background: #0d1017; padding: 2px 5px; border-radius: 3px; font-size: 12px; }
  .msg-body pre code { background: none; padding: 0; }
  .msg-body p { margin-bottom: 6px; }
  .msg-body p:last-child { margin-bottom: 0; }
  .msg-body ul, .msg-body ol { padding-left: 20px; margin: 6px 0; }
  .msg-body li { margin-bottom: 3px; }
  .msg-body strong { font-weight: 600; }
  .msg-body em { font-style: italic; color: var(--accent-hover); }
  .msg-body h1, .msg-body h2, .msg-body h3 { margin: 10px 0 4px; font-weight: 600; }
  .msg-body h1 { font-size: 17px; }
  .msg-body h2 { font-size: 15px; }
  .msg-body h3 { font-size: 14px; }
  .msg-body a { color: var(--accent); text-decoration: none; }
  .msg-body a:hover { text-decoration: underline; }
  .msg-body blockquote { border-left: 3px solid var(--accent); padding-left: 12px; color: var(--text-muted); margin: 6px 0; }
  .msg-body hr { border: none; border-top: 1px solid var(--border); margin: 12px 0; }
  .msg-body table { border-collapse: collapse; margin: 8px 0; width: 100%; font-size: 13px; }
  .msg-body th, .msg-body td { border: 1px solid var(--border); padding: 6px 10px; text-align: left; }
  .msg-body th { background: var(--bg-input); font-weight: 600; }

  /* ── Copy button on code blocks ── */
  .code-block-wrapper { position: relative; }
  .code-block-wrapper .copy-btn { position: absolute; top: 6px; right: 6px; background: var(--bg-input); border: 1px solid var(--border); color: var(--text-muted); padding: 3px 8px; font-size: 10px; border-radius: 4px; cursor: pointer; opacity: 0; transition: opacity 0.15s; }
  .code-block-wrapper:hover .copy-btn { opacity: 1; }
  .code-block-wrapper .copy-btn:hover { color: var(--text); }
  .code-block-wrapper .code-lang { position: absolute; top: 6px; left: 12px; font-size: 10px; color: var(--text-muted); font-family: var(--mono); opacity: 0.6; }

  /* ── Thinking Block ── */
  .thinking-block { border: 1px solid var(--thinking-border); border-radius: 8px; background: var(--thinking-bg); overflow: hidden; font-size: 13px; }
  .thinking-header { display: flex; align-items: center; gap: 6px; padding: 8px 12px; cursor: pointer; color: var(--text-muted); font-size: 12px; font-weight: 500; user-select: none; }
  .thinking-header:hover { color: var(--text); }
  .thinking-header .arrow { transition: transform 0.2s; font-size: 10px; }
  .thinking-block.open .thinking-header .arrow { transform: rotate(90deg); }
  .thinking-body { display: none; padding: 8px 12px; border-top: 1px solid var(--thinking-border); color: var(--text-muted); font-size: 12px; line-height: 1.5; max-height: 300px; overflow-y: auto; white-space: pre-wrap; word-break: break-word; }
  .thinking-block.open .thinking-body { display: block; }
  .thinking-spinner { display: inline-block; width: 12px; height: 12px; border: 2px solid var(--thinking-border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite; }
  @keyframes spin { to { transform: rotate(360deg); } }

  /* ── Connect screen (token check / server reconnect) ── */
  #connect-screen { position: fixed; inset: 0; display: none; flex-direction: column; align-items: center; justify-content: center; gap: 14px; background: var(--bg); z-index: 200; }
  #connect-screen .big-spinner { width: 36px; height: 36px; border: 3px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite; }
  #connect-screen .connect-label { color: var(--text-muted); font-size: 0.85rem; }

  /* ── Tool Call Block ── */
  .tool-block { border: 1px solid var(--tool-border); border-radius: 8px; background: var(--tool-bg); overflow: hidden; font-size: 12px; }
  .tool-header { display: flex; align-items: center; gap: 6px; padding: 6px 10px; cursor: pointer; color: var(--text-muted); user-select: none; }
  .tool-header:hover { color: var(--text); }
  .tool-header .arrow { transition: transform 0.2s; font-size: 10px; }
  .tool-block.open .tool-header .arrow { transform: rotate(90deg); }
  .tool-icon { font-size: 13px; }
  .tool-name { font-family: var(--mono); font-size: 11px; font-weight: 600; }
  .tool-status { margin-left: auto; font-size: 10px; padding: 2px 6px; border-radius: 4px; }
  .tool-status.success { background: #16a34a20; color: var(--success); }
  .tool-status.error { background: #ef444420; color: var(--error); }
  .tool-status.running { background: #6366f120; color: var(--accent); }
  .tool-status.pending { background: #6366f120; color: var(--accent); display: inline-flex; align-items: center; }
  .tool-file-summary { font-size: 11px; color: var(--text); opacity: 0.85; margin-left: 4px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; min-width: 0; font-family: var(--mono); }
  .tool-body { display: none; padding: 8px 10px; border-top: 1px solid var(--tool-border); }
  .tool-block.open .tool-body { display: block; }
  .tool-args, .tool-result-content { font-family: var(--mono); font-size: 11px; white-space: pre-wrap; word-break: break-all; color: var(--text-muted); max-height: 200px; overflow-y: auto; }
  .tool-section-label { font-size: 10px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.3px; margin-bottom: 4px; margin-top: 8px; }
  .tool-section-label:first-child { margin-top: 0; }
  /* File path auto-links inside markdown */
  a.file-link { display: inline-flex; align-items: center; gap: 4px; padding: 1px 7px; background: #6366f115; border: 1px solid #6366f130; border-radius: 4px; color: var(--accent); text-decoration: none; font-size: 0.9em; font-family: var(--mono); word-break: break-all; }
  a.file-link:hover { background: #6366f125; border-color: var(--accent); }

  /* ── Streaming Indicator ── */
  .streaming-indicator { display: flex; align-items: center; gap: 8px; padding: 6px 0; font-size: 12px; color: var(--text-muted); }
  .streaming-dots { display: flex; gap: 3px; }
  .streaming-dots span { width: 5px; height: 5px; background: var(--text-muted); border-radius: 50%; animation: bounce 1.4s infinite ease-in-out both; }
  .streaming-dots span:nth-child(1) { animation-delay: -0.32s; }
  .streaming-dots span:nth-child(2) { animation-delay: -0.16s; }
  @keyframes bounce { 0%,80%,100% { transform: scale(0); } 40% { transform: scale(1); } }

  /* ── Input Area ── */
  .input-area { padding: 12px 20px; border-top: 1px solid var(--border); background: var(--bg-card); }
  .input-row { display: flex; gap: 10px; align-items: flex-end; max-width: 900px; margin: 0 auto; }
  .input-wrapper { flex: 1; position: relative; }
  #msg-input { width: 100%; padding: 10px 14px; background: var(--bg-input); border: 1px solid var(--border); border-radius: 12px; color: var(--text); font-size: 13px; font-family: var(--font); resize: none; outline: none; min-height: 42px; max-height: 200px; line-height: 1.5; transition: border-color 0.15s; }
  #msg-input:focus { border-color: var(--accent); }
  #msg-input::placeholder { color: var(--text-muted); }

  /* ── Send / Stop buttons ── */
  .action-btn { width: 42px; height: 42px; display: flex; align-items: center; justify-content: center; border-radius: 12px; flex-shrink: 0; }
  .send-btn { background: var(--accent); }
  .send-btn:hover { background: var(--accent-hover); }
  .send-btn:disabled { opacity: 0.4; cursor: not-allowed; }
  .send-btn svg, .stop-btn svg { width: 16px; height: 16px; fill: white; }
  .stop-btn { background: var(--error); }
  .stop-btn:hover { opacity: 0.9; }
  /* Mic button */
  .mic-btn { background: transparent; border-color: transparent; color: var(--text-muted); transition: color 0.15s, background 0.15s; }
  .mic-btn:hover { color: var(--text); }
  .mic-btn svg { width: 18px; height: 18px; fill: currentColor; }
  .mic-btn.recording { color: var(--error) !important; animation: mic-pulse 1s ease-in-out infinite; }
  .mic-btn.transcribing { opacity: 0.55; cursor: wait; }
  @keyframes mic-pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.45; } }
  /* ── Speech bubble (STT live preview) ── */
  .speech-bubble { background: var(--bg-card); border: 1.5px solid var(--accent); border-radius: 12px; overflow: hidden; margin-bottom: 10px; box-shadow: 0 4px 24px rgba(0,0,0,0.22); animation: bubbleIn 0.18s ease; }
  .speech-bubble.recording { border-color: var(--error); }
  @keyframes bubbleIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
  .bubble-header { display: flex; align-items: center; justify-content: space-between; padding: 8px 12px 6px; font-size: 11px; color: var(--text-muted); }
  .bubble-status { display: flex; align-items: center; gap: 5px; font-weight: 500; }
  .bubble-status-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; background: var(--error); animation: mic-pulse 1s ease-in-out infinite; }
  .speech-bubble:not(.recording) .bubble-status-dot { display: none; }
  .bubble-body { padding: 8px 12px 10px; min-height: 40px; font-size: 14px; line-height: 1.6; color: var(--text); word-break: break-word; }
  .bubble-body .interim { color: var(--text-muted); font-style: italic; }
  .bubble-footer { padding: 7px 12px; display: flex; align-items: center; gap: 8px; border-top: 1px solid var(--border); }
  .bubble-progress { flex: 1; height: 3px; background: var(--border); border-radius: 2px; overflow: hidden; }
  .bubble-progress-bar { width: 0%; height: 100%; background: var(--accent); border-radius: 2px; transition: none; }
  .bubble-progress-bar.counting { width: 100%; transition: width 2s linear; }
  .bubble-cancel-btn { font-size: 11px; color: var(--text-muted); background: transparent; border: 1px solid var(--border); border-radius: 5px; padding: 3px 10px; cursor: pointer; white-space: nowrap; }
  .bubble-cancel-btn:hover { color: var(--error); border-color: var(--error); }
  /* Copy markdown button on completed assistant messages */
  .msg-copy-footer { margin-top: 6px; text-align: right; opacity: 0; transition: opacity 0.2s; }
  .msg:hover .msg-copy-footer { opacity: 1; }
  .msg-copy-btn { font-size: 10px; color: var(--text-muted); background: transparent; border: 1px solid var(--border); padding: 2px 9px; border-radius: 4px; cursor: pointer; transition: color 0.1s, border-color 0.1s; }
  .msg-copy-btn:hover { color: var(--text); border-color: var(--accent); }
  .msg-retry-footer { margin-top: 8px; text-align: left; }
  .msg-retry-btn { font-size: 11px; color: var(--accent); background: transparent; border: 1px solid var(--accent); padding: 3px 11px; border-radius: 4px; cursor: pointer; transition: background 0.15s; }
  .msg-retry-btn:hover { background: var(--accent); color: #fff; }
  /* Context menu */
  .ctx-menu { position: fixed; z-index: 9999; background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; box-shadow: 0 8px 28px #0009; min-width: 160px; padding: 4px 0; }
  .ctx-item { padding: 8px 14px; font-size: 13px; cursor: pointer; color: var(--text); white-space: nowrap; }
  .ctx-item:hover { background: var(--bg-input); }
  .ctx-item.danger { color: var(--error); }
  /* Iteration sections inside a streaming message */
  .iter-section { margin: 0; }
  .iter-divider { font-size: 10px; color: var(--text-muted); padding: 6px 0 2px; text-transform: uppercase; letter-spacing: 0.06em; opacity: 0.55; }
  .stopped-badge { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; color: var(--error); background: #ef444412; border: 1px solid #ef444432; border-radius: 6px; padding: 3px 10px; margin-top: 6px; }
  .iter-limit-badge { display: flex; align-items: center; gap: 10px; margin-top: 10px; padding: 8px 12px; background: #f59e0b12; border: 1px solid #f59e0b40; border-radius: 8px; font-size: 12px; color: var(--text-muted); }
  .iter-limit-badge button { padding: 4px 14px; font-size: 12px; background: var(--accent); color: #fff; border: none; border-radius: 6px; cursor: pointer; white-space: nowrap; }
  .iter-limit-badge button:hover { opacity: 0.85; }

  /* ── Turn Checkpoint Separator ── */
  .turn-checkpoint { display: flex; align-items: center; gap: 8px; margin: 6px 0; padding: 0 24px; user-select: none; }
  .cp-line { flex: 1; height: 1px; background: var(--border); opacity: 0.5; }
  .cp-btn { display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px; font-size: 10px; font-weight: 500; color: var(--text-muted); background: transparent; border: 1px solid var(--border); border-radius: 12px; cursor: pointer; transition: all 0.15s; white-space: nowrap; opacity: 0.6; }
  .cp-btn:hover { opacity: 1; color: var(--accent); border-color: var(--accent); background: color-mix(in srgb, var(--accent) 6%, transparent); }
  .cp-info { font-size: 10px; color: var(--text-muted); opacity: 0.5; white-space: nowrap; }

  /* ── Continue Banner ── */
  .continue-banner { display: none; padding: 10px 20px; background: var(--bg-card); border-top: 1px solid var(--border); text-align: center; }
  .continue-banner.visible { display: block; }
  .continue-banner button { margin-left: 8px; }