@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
  :root {
    --bg: #131313;
    --surface: #1C1B1B;
    --surface-hover: #252424;
    --surface-card: #201F1F;
    --surface-high: #2A2929;
    --surface-highest: #353534;
    --surface-lowest: #181717;
    --border: rgba(255,255,255,0.06);
    --border-light: rgba(255,255,255,0.04);
    --ghost: rgba(255,255,255,0.08);
    --text: #E6E1E5;
    --text-muted: #938F99;
    --accent: #ADC6FF;
    --accent-dim: #4D8EFF;
    --accent-green: #4ade80;
    --accent-gold: #E6C35B;
    --accent-gradient: linear-gradient(135deg, #ADC6FF, #4D8EFF);
    --glass: rgba(28, 27, 27, 0.75);
    --shadow-ambient: 0px 12px 32px rgba(0, 0, 0, 0.4);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; letter-spacing: -0.01em; }

  /* Layout */
  .app { display: flex; height: 100vh; }
  .sidebar { width: 280px; background: var(--surface); display: flex; flex-direction: column; flex-shrink: 0; }
  .main { flex: 1; display: flex; flex-direction: column; overflow: hidden; background: var(--bg); }

  /* Sidebar */
  .sidebar-header { padding: 20px 20px 14px; }
  .sidebar-header h1 { font-size: 0.95rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 2px; color: #fff; }
  .sidebar-header p { font-size: 0.68rem; color: var(--text-muted); letter-spacing: 0.03em; font-weight: 500; }

  /* Nav menu */
  .nav-menu { display: flex; padding: 4px 12px; gap: 4px; }
  .nav-item { flex: 1; padding: 8px; text-align: center; font-size: 0.72rem; font-weight: 500; color: var(--text-muted); cursor: pointer; border-radius: var(--radius-md); transition: all 0.2s; display: flex; align-items: center; justify-content: center; gap: 6px; }
  .nav-item:hover { color: var(--text); background: var(--surface-hover); }
  .nav-item.active { color: #fff; background: var(--surface-highest); }
  .pipeline-list { flex: 1; overflow-y: auto; padding: 8px; }
  .pipeline-item { padding: 12px; border-radius: var(--radius-md); cursor: pointer; margin-bottom: 4px; transition: all 0.2s; }
  .pipeline-item:hover { background: var(--surface-hover); }
  .pipeline-item.active { background: var(--surface-highest); }
  .pipeline-item .pi-date { font-size: 0.75rem; font-weight: 600; margin-bottom: 4px; display: flex; justify-content: space-between; align-items: center; }
  .pipeline-item .pi-topic { font-size: 0.7rem; color: var(--text-muted); line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .pi-status { font-size: 0.6rem; padding: 2px 6px; border-radius: 4px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.3px; }
  .pi-status.done { background: #1a3d1a; color: #4ade80; }
  .pi-status.running { background: #3b2d00; color: #e6c35b; }

  /* Avatar */
  .avatar-section { padding: 16px; display: flex; align-items: center; gap: 12px; }
  .avatar-ring { width: 44px; height: 44px; min-width: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; position: relative; border: 2px solid var(--surface-highest); transition: all 0.3s; background: var(--surface-card); }
  .avatar-ring.idle { border-color: var(--surface-highest); }
  .avatar-ring.running { border-color: var(--accent); animation: avatar-pulse 2s infinite; }
  .avatar-ring.done { border-color: var(--accent-green); }
  @keyframes avatar-pulse { 0%, 100% { border-color: var(--accent); box-shadow: 0 0 0 0 rgba(173,198,255,0.3); } 50% { border-color: var(--accent-dim); box-shadow: 0 0 12px 4px rgba(77,142,255,0.15); } }
  .avatar-info { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; }
  .avatar-top { display: flex; align-items: center; gap: 8px; }
  .avatar-name { font-size: 0.82rem; font-weight: 700; color: #fff; }
  .avatar-timer { font-size: 0.78rem; font-weight: 600; font-family: 'SF Mono', 'Fira Code', monospace; color: #fff; }
  .avatar-timer.running { color: #4ade80; }
  .avatar-timer.done { color: var(--text-muted); }
  .avatar-status { display: flex; align-items: center; gap: 5px; font-size: 0.68rem; color: var(--text-muted); }
  .avatar-status-dot { width: 6px; height: 6px; border-radius: 50%; }
  .avatar-status-dot.idle { background: #666; }
  .avatar-status-dot.running { background: #4ade80; animation: pulse 2s infinite; }
  .avatar-status-dot.done { background: #4ade80; }
  .avatar-task { font-size: 0.68rem; color: #444; transition: color 0.3s; }
  .avatar-task.active { color: var(--text-muted); }

  /* New button */
  .sidebar-footer { padding: 12px; display: flex; flex-direction: column; gap: 8px; }
  .btn-new { width: 100%; padding: 11px; background: var(--accent-gradient); color: #1C1B1B; border: none; border-radius: var(--radius-full); font-size: 0.78rem; font-weight: 600; cursor: pointer; transition: all 0.2s; letter-spacing: -0.01em; }
  .btn-new:hover { opacity: 0.9; transform: translateY(-1px); }

  /* Reference URLs in modal */
  .ref-input-row { display: flex; gap: 6px; }
  .ref-url-input { flex: 1; padding: 8px 12px; background: #1a1a1a; border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-size: 0.78rem; outline: none; }
  .ref-url-input:focus { border-color: #444; }
  .ref-url-input::placeholder { color: #444; }
  .ref-add-btn { padding: 8px 14px; background: #1a3d1a; border: 1px solid #2a4a2a; border-radius: 8px; color: #4ade80; font-size: 1rem; font-weight: 700; cursor: pointer; transition: all 0.15s; line-height: 1; }
  .ref-add-btn:hover { background: #2a4a2a; }
  .ref-list { display: flex; flex-direction: column; gap: 4px; margin-bottom: 8px; }
  .ref-item { display: flex; align-items: center; gap: 8px; padding: 6px 10px; background: #111; border: 1px solid var(--border); border-radius: 6px; font-size: 0.72rem; }
  .ref-item-url { flex: 1; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .ref-item-status { font-size: 0.6rem; color: #555; min-width: 60px; text-align: right; }
  .ref-item-status.pending { color: #e6c35b; }
  .ref-item-status.done { color: #4ade80; }
  .ref-item-status.error { color: #e65b5b; }
  .ref-item-remove { background: none; border: none; color: #555; cursor: pointer; font-size: 0.8rem; padding: 0 4px; }
  .ref-item-remove:hover { color: #e65b5b; }

  /* Input modal */
  .modal-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.6); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); z-index: 200; opacity: 0; pointer-events: none; transition: opacity 0.2s; display: flex; align-items: center; justify-content: center; }
  .modal-overlay.open { opacity: 1; pointer-events: auto; }
  .modal { background: var(--glass); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border: 1px solid var(--ghost); border-radius: var(--radius-xl); width: 520px; max-width: 90vw; max-height: 85vh; display: flex; flex-direction: column; box-shadow: var(--shadow-ambient); }
  .modal-header { padding: 18px 22px; display: flex; justify-content: space-between; align-items: center; }
  .modal-header h3 { font-size: 0.95rem; font-weight: 600; letter-spacing: -0.02em; color: #fff; }
  .modal-body { padding: 24px; display: flex; flex-direction: column; gap: 20px; overflow-y: auto; }
  .modal-body::-webkit-scrollbar { width: 3px; }
  .modal-body::-webkit-scrollbar-thumb { background: var(--surface-highest); border-radius: 3px; }
  .modal-body::-webkit-scrollbar-track { background: transparent; }
  .field label { display: block; font-size: 0.72rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
  .field input[type="text"] { width: 100%; padding: 10px 12px; background: #1a1a1a; border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-size: 0.82rem; outline: none; transition: border-color 0.15s; }
  .field input[type="text"]:focus { border-color: #444; }
  .field .hint { font-size: 0.68rem; color: #555; margin-top: 4px; }

  /* Upload zone */
  .upload-zone { border: 2px dashed var(--surface-highest); border-radius: var(--radius-lg); padding: 40px 20px; text-align: center; cursor: pointer; transition: all 0.2s; display: flex; flex-direction: column; align-items: center; gap: 12px; }
  .upload-zone:hover { border-color: var(--text-muted); background: var(--surface-lowest); }
  .upload-zone.dragover { border-color: var(--accent); background: rgba(173,198,255,0.05); }
  .upload-icon { font-size: 2.2rem; opacity: 0.4; transition: opacity 0.2s; }
  .upload-zone:hover .upload-icon { opacity: 0.6; }
  .upload-text { font-size: 0.85rem; color: var(--text-muted); }
  .upload-text strong { color: var(--text); }
  .upload-hint { font-size: 0.7rem; color: #444; }
  .upload-zone.loaded { border-color: rgba(173,198,255,0.2); border-style: solid; background: rgba(173,198,255,0.03); }
  .upload-zone.loaded .upload-icon { opacity: 0.8; }

  /* Send button */
  .btn-send { display: none; padding: 10px 28px; background: var(--accent-gradient); color: #1C1B1B; border: none; border-radius: var(--radius-full); font-size: 0.85rem; font-weight: 600; cursor: pointer; transition: all 0.2s; margin-top: 4px; }
  .btn-send:hover { opacity: 0.9; transform: translateY(-1px); }
  .btn-send.visible { display: inline-block; }

  /* Upload progress */
  .upload-progress { width: 100%; display: none; }
  .upload-progress.visible { display: block; }
  .up-track { width: 100%; height: 4px; background: #222; border-radius: 2px; overflow: hidden; margin-top: 12px; }
  .up-fill { height: 100%; border-radius: 2px; background: var(--accent); transition: width 0.3s ease; width: 0%; }
  .up-status { font-size: 0.75rem; color: var(--text-muted); margin-top: 8px; text-align: center; }
  .up-status.success { color: #4ade80; }
  .up-status.error { color: #e65b5b; }

  /* Agent selector */
  .agent-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .agent-check { position: relative; display: flex; align-items: center; padding: 14px 14px 14px 40px; background: var(--surface-lowest); border: 1px solid var(--border); border-radius: var(--radius-md); cursor: pointer; font-size: 0.82rem; font-weight: 500; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.03em; transition: all 0.2s; user-select: none; }
  .agent-check:hover { background: var(--surface-hover); }
  .agent-check.checked { background: rgba(173,198,255,0.08); border-color: rgba(173,198,255,0.2); color: var(--text); }
  .agent-check input { display: none; }
  .ac-box { position: absolute; left: 10px; top: 10px; width: 20px; height: 20px; min-width: 20px; border-radius: var(--radius-sm); border: 2px solid var(--surface-highest); display: flex; align-items: center; justify-content: center; font-size: 0.7rem; transition: all 0.15s; }
  .agent-check.checked .ac-box { border-color: var(--accent); background: rgba(173,198,255,0.15); color: var(--accent); }
  .ac-dot { display: none; }
  .ac-name { }
  .agent-always { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; align-items: center; }
  .agent-always-tag { font-size: 0.68rem; padding: 4px 10px; border-radius: 5px; background: #1a1a1a; color: #555; border: 1px solid var(--border); }

  .modal-footer { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; align-items: center; gap: 8px; }
  /* Upload steps */
  .upload-steps { display: flex; justify-content: center; gap: 24px; margin-bottom: 16px; }
  .upload-step { display: flex; align-items: center; gap: 6px; font-size: 0.68rem; color: #333; }
  .upload-step.active { color: var(--text); }
  .upload-step.done { color: #4ade80; }
  .step-num { width: 20px; height: 20px; border-radius: 50%; border: 2px solid #333; display: flex; align-items: center; justify-content: center; font-size: 0.6rem; font-weight: 700; }
  .upload-step.active .step-num { border-color: var(--text); color: var(--text); }
  .upload-step.done .step-num { border-color: #4ade80; background: #1a3d1a; color: #4ade80; }

  .btn-process { padding: 10px 24px; background: var(--accent-gradient); color: #1C1B1B; border: none; border-radius: var(--radius-full); font-size: 0.82rem; font-weight: 600; cursor: pointer; transition: all 0.2s; opacity: 0.3; pointer-events: none; }
  .btn-process:hover { opacity: 0.9; transform: translateY(-1px); }
  .btn-process.ready { opacity: 1; pointer-events: auto; }
  .btn-cancel { padding: 9px 16px; background: transparent; color: var(--text-muted); border: 1px solid var(--ghost); border-radius: var(--radius-full); font-size: 0.78rem; cursor: pointer; transition: all 0.15s; }
  .btn-cancel:hover { background: var(--surface-hover); color: var(--text); }

  /* Logs & Messages panel */
  .info-bar { display: flex; gap: 4px; padding: 4px 8px; flex-shrink: 0; }
  .info-tab { padding: 6px 6px; font-size: 0.62rem; color: var(--text-muted); cursor: pointer; border-radius: var(--radius-sm); transition: all 0.2s; flex: 1; text-align: center; display: flex; align-items: center; justify-content: center; gap: 3px; overflow: hidden; white-space: nowrap; font-weight: 500; letter-spacing: 0.03em; }
  .info-tab:hover { color: var(--text); background: var(--surface-hover); }
  .info-tab.active { color: #fff; background: var(--surface-highest); }
  .info-panel { display: none; flex: 1; overflow-y: auto; }
  .info-panel.open { display: flex; flex-direction: column; }
  .info-panel::-webkit-scrollbar { width: 3px; }
  .info-panel::-webkit-scrollbar-thumb { background: var(--surface-highest); border-radius: 3px; }
  .log-row { display: flex; gap: 10px; padding: 6px 16px; font-size: 0.68rem; border-bottom: 1px solid #1a1a1a; align-items: center; }
  .log-agent { font-weight: 600; min-width: 100px; color: var(--text); }
  .log-model { color: #555; min-width: 70px; }
  .log-tokens { color: var(--text-muted); min-width: 90px; }
  .log-cost { color: #4ade80; min-width: 50px; font-family: 'SF Mono', monospace; }
  .log-time { color: #555; min-width: 40px; }
  .log-total { padding: 14px; background: #111; border-top: 1px solid var(--border); }
  .log-total-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; margin-bottom: 10px; }
  .log-stat { text-align: center; }
  .log-stat-value { font-size: 1rem; font-weight: 700; color: #fff; font-family: 'SF Mono', monospace; }
  .log-stat-label { font-size: 0.6rem; color: #555; text-transform: uppercase; letter-spacing: 0.5px; margin-top: 2px; }
  .log-cost-row { display: flex; justify-content: center; gap: 16px; padding-top: 10px; border-top: 1px solid #1a1a1a; }
  .log-cost-box { text-align: center; }
  .log-cost-value { font-size: 1.1rem; font-weight: 700; font-family: 'SF Mono', monospace; }
  .log-cost-value.usd { color: #4ade80; }
  .log-cost-value.brl { color: #5ba3e6; }
  .log-cost-label { font-size: 0.6rem; color: #555; text-transform: uppercase; letter-spacing: 0.5px; margin-top: 2px; }
  /* Message styling */
  .msg-row-user { background: rgba(173,198,255,0.05); }
  .msg-row-ai { background: transparent; }
  .msg-from.user { color: var(--accent); }

  /* Panel chat */
  .panel-chat { flex-shrink: 0; }
  .panel-chat-toggle { padding: 10px 20px; display: flex; align-items: center; gap: 8px; font-size: 0.72rem; color: var(--text-muted); cursor: pointer; transition: all 0.15s; font-weight: 500; }
  .panel-chat-toggle:hover { color: var(--text); background: var(--surface-hover); }
  .panel-chat-arrow { margin-left: auto; font-size: 0.6rem; transition: transform 0.2s; }
  .panel-chat-arrow.open { transform: rotate(180deg); }
  .panel-chat-body { display: flex; flex-direction: column; max-height: 280px; }
  .panel-chat-messages { flex: 1; overflow-y: auto; padding: 0 8px; }
  .panel-chat-messages::-webkit-scrollbar { width: 3px; }
  .panel-chat-messages::-webkit-scrollbar-thumb { background: var(--surface-highest); border-radius: 3px; }
  .panel-chat-msg { padding: 8px 12px; margin: 4px 0; border-radius: var(--radius-md); font-size: 0.72rem; line-height: 1.5; }
  .panel-chat-msg.from-user { background: rgba(173,198,255,0.08); color: var(--text); margin-left: 24px; }
  .panel-chat-msg.from-agent { background: var(--surface-card); color: var(--text-muted); margin-right: 24px; }
  .panel-chat-msg-meta { font-size: 0.6rem; color: var(--text-muted); margin-bottom: 2px; font-weight: 500; }
  .panel-chat-input-row { padding: 8px 12px; display: flex; gap: 6px; }
  .panel-chat-text { flex: 1; padding: 8px 12px; background: var(--surface-lowest); border: 1px solid var(--ghost); border-radius: var(--radius-md); color: var(--text); font-size: 0.72rem; outline: none; font-family: 'Inter', sans-serif; }
  .panel-chat-text:focus { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(173,198,255,0.1); }
  .panel-chat-text::placeholder { color: var(--text-muted); }
  .panel-chat-send { padding: 8px 12px; background: var(--accent-gradient); border: none; border-radius: var(--radius-md); color: #1C1B1B; cursor: pointer; transition: all 0.15s; display: flex; align-items: center; }
  .panel-chat-send:hover { opacity: 0.9; }
  .panel-chat-send:disabled { opacity: 0.3; pointer-events: none; }

  .msg-row { padding: 10px 14px; border-bottom: 1px solid var(--border-light); }
  .msg-header { display: flex; align-items: center; gap: 6px; margin-bottom: 4px; }
  .msg-from { font-weight: 600; color: #5ba3e6; font-size: 0.72rem; }
  .msg-arrow { color: #333; font-size: 0.65rem; }
  .msg-to { color: #888; font-size: 0.72rem; }
  .msg-time { color: #333; font-size: 0.6rem; margin-left: auto; }
  .msg-content { color: var(--text-muted); font-size: 0.72rem; line-height: 1.5; padding-left: 2px; }

  /* Outputs panel */
  .output-group { padding: 10px 14px 4px; }
  .output-group-title { font-size: 0.65rem; color: #555; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
  .output-file { display: flex; align-items: center; gap: 8px; padding: 7px 10px; margin-bottom: 3px; border-radius: 6px; cursor: pointer; transition: all 0.15s; font-size: 0.72rem; color: var(--text-muted); }
  .output-file:hover { background: var(--surface-hover); color: var(--text); }
  .output-file-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }
  .output-file-name { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

  /* Log chart */
  .log-chart { padding: 12px 14px; border-bottom: 1px solid #1a1a1a; }
  .log-chart-title { font-size: 0.68rem; color: #555; margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.5px; }
  .log-bar-row { display: flex; align-items: center; gap: 8px; margin-bottom: 5px; }
  .log-bar-label { font-size: 0.65rem; color: var(--text-muted); min-width: 75px; text-align: right; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .log-bar-track { flex: 1; height: 14px; background: #1a1a1a; border-radius: 3px; overflow: hidden; position: relative; }
  .log-bar-fill { height: 100%; border-radius: 3px; transition: width 0.3s; min-width: 2px; }
  .log-bar-value { font-size: 0.6rem; color: #555; min-width: 40px; font-family: 'SF Mono', monospace; }

  .toast { position: fixed; bottom: 24px; right: 24px; background: var(--glass); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); color: var(--accent); padding: 12px 20px; border-radius: var(--radius-md); border: 1px solid var(--ghost); font-size: 0.8rem; z-index: 300; opacity: 0; transform: translateY(10px); transition: all 0.3s; pointer-events: none; box-shadow: var(--shadow-ambient); }
  .toast.show { opacity: 1; transform: translateY(0); }

  /* Token modal */
  .token-modal { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.6); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); z-index: 400; display: flex; align-items: center; justify-content: center; }
  .token-modal.hidden { display: none; }
  .token-box { background: var(--glass); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border: 1px solid var(--ghost); border-radius: var(--radius-xl); padding: 28px; width: 380px; max-width: 90vw; text-align: center; box-shadow: var(--shadow-ambient); }
  .token-box h3 { font-size: 0.95rem; margin-bottom: 6px; }
  .token-box p { font-size: 0.72rem; color: var(--text-muted); margin-bottom: 16px; line-height: 1.5; }
  .token-box input { width: 100%; padding: 10px 12px; background: var(--surface-lowest); border: 1px solid var(--ghost); border-radius: var(--radius-md); color: var(--text); font-size: 0.82rem; font-family: 'Inter', monospace; text-align: center; outline: none; margin-bottom: 12px; transition: border-color 0.2s; }
  .token-box input:focus { border-color: #444; }
  .token-box .token-error { font-size: 0.72rem; color: #e65b5b; margin-bottom: 8px; min-height: 1.2em; }
  .token-box button { padding: 10px 24px; background: var(--accent-gradient); color: #1C1B1B; border: none; border-radius: var(--radius-full); font-size: 0.82rem; font-weight: 600; cursor: pointer; transition: all 0.2s; }
  .token-box button:hover { opacity: 0.9; }

  /* Main header */
  .main-header { padding: 18px 28px; display: flex; justify-content: space-between; align-items: center; }
  .main-header h2 { font-size: 0.95rem; font-weight: 600; letter-spacing: -0.02em; color: #fff; }
  .main-header .mh-meta { display: flex; gap: 12px; align-items: center; font-size: 0.78rem; }
  .status-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; margin-right: 5px; }
  .status-dot.active { background: #4ade80; animation: pulse 2s infinite; }
  .status-dot.idle { background: #666; }
  @keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
  .mh-source { font-size: 0.7rem; color: var(--text-muted); background: #1a1a1a; padding: 3px 8px; border-radius: 4px; border: 1px solid var(--border); }

  /* Progress */
  .progress-bar { padding: 12px 28px; display: flex; align-items: center; gap: 12px; }
  .progress-track { flex: 1; height: 3px; background: var(--surface-high); border-radius: var(--radius-full); overflow: hidden; }
  .progress-fill { height: 100%; border-radius: var(--radius-full); background: var(--accent-gradient); transition: width 0.5s ease; }
  .progress-label { font-size: 0.75rem; color: var(--text-muted); white-space: nowrap; }

  /* Board */
  .board { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; padding: 20px 28px; flex: 1; overflow-x: auto; overflow-y: auto; align-content: start; }

  /* Column */
  .column { background: var(--surface); border-radius: var(--radius-lg); display: flex; flex-direction: column; min-height: 200px; }
  .col-header { padding: 14px 16px 10px; display: flex; justify-content: space-between; align-items: center; }
  .col-header h3 { font-size: 0.68rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; display: flex; align-items: center; gap: 5px; color: var(--text-muted); }
  .col-count { font-size: 0.6rem; background: var(--surface-highest); padding: 2px 8px; border-radius: var(--radius-full); color: var(--text-muted); font-weight: 500; }
  .col-body { padding: 8px; flex: 1; display: flex; flex-direction: column; gap: 6px; overflow-y: auto; max-height: calc(100vh - 200px); }

  /* Column accents */
  .col-pending .col-header h3 { color: #666; }
  .col-architect .col-header h3 { color: var(--accent-gold); }
  .col-writers .col-header h3 { color: var(--accent); }
  .col-review .col-header h3 { color: #e6935b; }
  .col-polisher .col-header h3 { color: #b55be6; }
  .col-done .col-header h3 { color: var(--accent-green); }

  /* Cards */
  .card { background: var(--surface-card); border: 1px solid var(--border-light); border-radius: var(--radius-md); padding: 12px 14px; transition: all 0.2s; }
  .card:hover { background: var(--surface-high); border-color: var(--ghost); }
  .card-title { font-size: 0.78rem; font-weight: 600; margin-bottom: 4px; }
  .card-desc { font-size: 0.72rem; color: var(--text-muted); line-height: 1.5; margin-bottom: 6px; }
  .card-footer { display: flex; justify-content: space-between; align-items: center; }
  .card-tag { font-size: 0.65rem; padding: 3px 8px; border-radius: 4px; font-weight: 600; }
  .tag-newsletter { background: #1e3a5f; color: #5ba3e6; }
  .tag-linkedin { background: #1a3d1a; color: #5bb85b; }
  .tag-carousel { background: #4a2a1a; color: #e6935b; }
  .tag-seo { background: #4a1a1a; color: #e65b5b; }
  .tag-blog { background: #2d1a4a; color: #8b5cf6; }
  .tag-blog-corretor { background: rgba(230,195,91,0.1); color: #e6c35b; }
  .tag-plan { background: #3b2d00; color: #e6c35b; }
  .card-time { font-size: 0.6rem; color: #555; }

  /* Cards clickable */
  .card.has-files { cursor: pointer; border-left: 3px solid var(--surface-highest); }
  .card.has-files:hover { background: var(--surface-high); border-left-color: var(--accent); }
  .card-files-icon { font-size: 0.65rem; color: #555; margin-right: 4px; }

  /* Panel overlay */
  .panel-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.4); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); z-index: 100; opacity: 0; pointer-events: none; transition: opacity 0.2s; }
  .panel-overlay.open { opacity: 1; pointer-events: auto; }

  /* Slide panel */
  .panel { position: fixed; top: 0; right: 0; bottom: 0; width: 600px; max-width: 90vw; background: var(--glass); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-left: 1px solid var(--ghost); z-index: 101; transform: translateX(100%); transition: transform 0.25s ease; display: flex; flex-direction: column; box-shadow: var(--shadow-ambient); }
  .panel.open { transform: translateX(0); }
  .panel-header { padding: 18px 22px; display: flex; justify-content: space-between; align-items: center; flex-shrink: 0; }
  .panel-header h3 { font-size: 0.9rem; font-weight: 600; letter-spacing: -0.02em; color: #fff; }
  .panel-close { background: var(--surface-highest); border: none; color: var(--text-muted); width: 28px; height: 28px; border-radius: var(--radius-sm); cursor: pointer; font-size: 0.9rem; display: flex; align-items: center; justify-content: center; transition: all 0.15s; }
  .panel-close:hover { background: var(--ghost); color: #fff; }

  /* File tabs */
  .panel-tabs { display: flex; gap: 0; border-bottom: 1px solid var(--border); flex-shrink: 0; overflow-x: auto; }
  .panel-tab { padding: 10px 16px; font-size: 0.72rem; color: var(--text-muted); cursor: pointer; border-bottom: 2px solid transparent; white-space: nowrap; transition: all 0.15s; }
  .panel-tab:hover { color: var(--text); background: #1a1a1a; }
  .panel-tab.active { color: var(--text); border-bottom-color: var(--accent); }

  /* File content */
  .panel-body { flex: 1; overflow-y: auto; padding: 0; }
  .panel-content { padding: 20px; }
  .panel-content pre { white-space: pre-wrap; word-wrap: break-word; font-family: 'SF Mono', 'Fira Code', monospace; font-size: 0.78rem; line-height: 1.7; color: #ccc; }

  /* Rendered markdown */
  .md-render { font-size: 0.85rem; line-height: 1.75; color: #ddd; }
  .md-render h1 { font-size: 1.3rem; font-weight: 700; margin: 0 0 8px; color: #fff; border-bottom: 1px solid var(--border); padding-bottom: 8px; }
  .md-render h2 { font-size: 1.05rem; font-weight: 600; margin: 24px 0 8px; color: #fff; }
  .md-render h3 { font-size: 0.9rem; font-weight: 600; margin: 16px 0 6px; color: #e0e0e0; }
  .md-render p { margin: 8px 0; }
  .md-render strong { color: #fff; }
  .md-render em { color: #bbb; font-style: italic; }
  .md-render hr { border: none; border-top: 1px solid var(--border); margin: 16px 0; }
  .md-render ul, .md-render ol { margin: 8px 0; padding-left: 24px; }
  .md-render li { margin: 4px 0; }
  .md-render blockquote { border-left: 3px solid #4ade80; padding: 8px 14px; margin: 12px 0; background: #111; border-radius: 0 6px 6px 0; color: #bbb; }
  .md-render code { font-family: 'SF Mono', 'Fira Code', monospace; background: #1a1a1a; padding: 2px 6px; border-radius: 4px; font-size: 0.8rem; color: #e6935b; }
  .md-render pre { background: #111; border: 1px solid var(--border); border-radius: 8px; padding: 14px; margin: 12px 0; overflow-x: auto; }
  .md-render pre code { background: none; padding: 0; color: #ccc; }
  .md-render table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 0.8rem; }
  .md-render th { text-align: left; padding: 8px 12px; background: #1a1a1a; border: 1px solid var(--border); color: #fff; font-weight: 600; }
  .md-render td { padding: 8px 12px; border: 1px solid var(--border); }
  .md-render a { color: #5ba3e6; text-decoration: none; }
  .md-render a:hover { text-decoration: underline; }
  .panel-actions { padding: 12px 20px; border-top: 1px solid var(--border); display: flex; gap: 8px; flex-shrink: 0; align-items: center; }
  .panel-actions .spacer { flex: 1; }

  /* Edit mode */
  .panel-editor { width: 100%; height: 100%; min-height: 300px; padding: 20px; background: #0a0a0a; border: none; color: #ccc; font-family: 'SF Mono', 'Fira Code', monospace; font-size: 0.78rem; line-height: 1.7; resize: none; outline: none; }
  .btn-edit { background: #1a2a4a; color: #5ba3e6; border-color: #2a3a5a; }
  .btn-edit:hover { background: #2a3a5a; }
  .btn-edit.editing { background: #1a3d1a; color: #4ade80; border-color: #2a4a2a; }
  /* Approval bar */
  .panel-approval { padding: 12px 20px; display: flex; gap: 8px; align-items: center; flex-shrink: 0; display: none; }
  .panel-approval.visible { display: flex; }
  .btn-approve { padding: 8px 16px; background: rgba(74,222,128,0.1); color: var(--accent-green); border: 1px solid rgba(74,222,128,0.2); border-radius: var(--radius-full); font-size: 0.72rem; font-weight: 600; cursor: pointer; transition: all 0.15s; }
  .btn-approve:hover { background: rgba(74,222,128,0.2); }
  .btn-reject { padding: 8px 16px; background: rgba(230,91,91,0.1); color: #e65b5b; border: 1px solid rgba(230,91,91,0.2); border-radius: var(--radius-full); font-size: 0.72rem; font-weight: 600; cursor: pointer; transition: all 0.15s; }
  .btn-reject:hover { background: rgba(230,91,91,0.2); }
  .approval-feedback { flex: 1; padding: 8px 12px; background: var(--surface-lowest); border: 1px solid var(--ghost); border-radius: var(--radius-md); color: var(--text); font-size: 0.72rem; outline: none; }
  .approval-feedback:focus { border-color: var(--accent); }
  .approval-status { font-size: 0.78rem; font-weight: 600; }
  .approval-status.approved { color: #4ade80; }
  .approval-status.rejected { color: #e65b5b; }

  .save-indicator { font-size: 0.7rem; color: #444; transition: color 0.3s; }
  .save-indicator.saving { color: #e6c35b; }
  .save-indicator.saved { color: #4ade80; }
  .btn { padding: 7px 14px; border-radius: 6px; font-size: 0.75rem; font-weight: 500; cursor: pointer; border: 1px solid var(--border); transition: all 0.15s; }
  .btn-copy { background: #1a3d1a; color: #4ade80; border-color: #2a4a2a; }
  .btn-copy:hover { background: #2a4a2a; }
  .btn-copy.copied { background: #2d5a2d; }
  .panel-loading { padding: 40px; text-align: center; color: var(--text-muted); font-size: 0.8rem; }

  /* Scrollbars minimalistas */
  .panel-body::-webkit-scrollbar, .col-body::-webkit-scrollbar { width: 3px; }
  .panel-body::-webkit-scrollbar-track, .col-body::-webkit-scrollbar-track { background: transparent; }
  .panel-body::-webkit-scrollbar-thumb, .col-body::-webkit-scrollbar-thumb { background: #2a2a2a; border-radius: 3px; }
  .panel-body::-webkit-scrollbar-thumb:hover, .col-body::-webkit-scrollbar-thumb:hover { background: #444; }

  /* Empty state */
  .empty { display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100%; color: var(--text-muted); font-size: 0.85rem; gap: 8px; }
  .empty-icon { font-size: 2rem; opacity: 0.3; }

  /* Overview panel */
  .overview { padding: 24px; overflow-y: auto; flex: 1; }
  .overview-header { margin-bottom: 24px; display: flex; justify-content: space-between; align-items: flex-start; }
  .overview-header h2 { font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
  .overview-header p { font-size: 0.75rem; color: var(--text-muted); }
  .ov-filters { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
  .ov-filter-btn { padding: 5px 12px; font-size: 0.68rem; font-weight: 600; background: var(--surface); border: 1px solid var(--border); border-radius: 6px; color: var(--text-muted); cursor: pointer; transition: all 0.15s; }
  .ov-filter-btn:hover { border-color: #444; color: var(--text); }
  .ov-filter-btn.active { background: #1a3d1a; border-color: #2a4a2a; color: #4ade80; }
  .ov-filter-date { padding: 5px 8px; font-size: 0.68rem; background: #111; border: 1px solid var(--border); border-radius: 6px; color: var(--text); font-family: 'SF Mono', monospace; outline: none; color-scheme: dark; }
  .ov-filter-date:focus { border-color: #444; }
  .ov-filter-sep { color: #333; font-size: 0.7rem; }
  .ov-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 24px; }
  .ov-card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 16px; text-align: center; }
  .ov-card-value { font-size: 1.4rem; font-weight: 700; font-family: 'SF Mono', monospace; margin-bottom: 4px; }
  .ov-card-value.green { color: #4ade80; }
  .ov-card-value.blue { color: #5ba3e6; }
  .ov-card-value.gold { color: #e6c35b; }
  .ov-card-value.white { color: #fff; }
  .ov-card-label { font-size: 0.65rem; color: #555; text-transform: uppercase; letter-spacing: 0.5px; }
  .ov-section { margin-bottom: 24px; }
  .ov-section-title { font-size: 0.72rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
  .ov-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
  .ov-row-label { font-size: 0.75rem; color: var(--text-muted); min-width: 110px; text-align: right; }
  .ov-row-bar { flex: 1; height: 18px; background: #1a1a1a; border-radius: 4px; overflow: hidden; }
  .ov-row-fill { height: 100%; border-radius: 4px; min-width: 2px; }
  .ov-row-value { font-size: 0.7rem; color: #888; min-width: 60px; font-family: 'SF Mono', monospace; }
  .ov-pipeline-row { display: flex; align-items: center; gap: 12px; padding: 10px 14px; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; margin-bottom: 6px; cursor: pointer; transition: all 0.15s; }
  .ov-pipeline-row:hover { border-color: #444; background: var(--surface-hover); }
  .ov-pipeline-date { font-size: 0.72rem; font-weight: 600; min-width: 80px; }
  .ov-pipeline-topic { font-size: 0.72rem; color: var(--text-muted); flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .ov-pipeline-cost { font-size: 0.75rem; font-family: 'SF Mono', monospace; color: #4ade80; min-width: 55px; text-align: right; }
  .ov-pipeline-tasks { font-size: 0.65rem; color: #555; min-width: 50px; text-align: right; }

  /* Responsive */
  @media (max-width: 1100px) { .board { grid-template-columns: repeat(3, 1fr); } }
  @media (max-width: 768px) {
    .app { flex-direction: column; }
    .sidebar { width: 100%; height: auto; max-height: 180px; border-right: none; border-bottom: 1px solid var(--border); }
    .pipeline-list { display: flex; overflow-x: auto; gap: 4px; padding: 8px; }
    .pipeline-item { min-width: 200px; flex-shrink: 0; }
    .board { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 500px) { .board { grid-template-columns: 1fr; } }