/* ═══════════════════════════════════════════════════════════════
   AdPrep — Dark Mode UI
   ═══════════════════════════════════════════════════════════════ */

:root {
  --bg-base:      #0d1117;
  --bg-surface:   #161b22;
  --bg-elevated:  #21262d;
  --bg-input:     #0d1117;
  --border:       #30363d;
  --border-light: #21262d;
  --text:         #e6edf3;
  --text-muted:   #8b949e;
  --text-faint:   #484f58;
  --accent:       #388bfd;
  --accent-hover: #1f6feb;
  --success:      #3fb950;
  --warning:      #d29922;
  --danger:       #f85149;
  --blocked:      #555;
  --radius:       8px;
  --radius-sm:    4px;
  --sidebar-w:    240px;
  --transition:   0.15s ease;
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-base);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1 { font-size: 1.6rem; font-weight: 700; }
h2 { font-size: 1.25rem; font-weight: 600; }
h3 { font-size: 1rem; font-weight: 600; }

/* ── Top Nav ───────────────────────────────────────────────── */
.topnav {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 52px;
  display: flex;
  align-items: center;
  gap: 8px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.topnav .logo {
  font-weight: 700;
  font-size: 15px;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.topnav .logo:hover { text-decoration: none; }
.topnav .breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 13px;
}
.topnav .breadcrumb a { color: var(--text-muted); }
.topnav .breadcrumb a:hover { color: var(--text); }
.topnav .sep { color: var(--text-faint); }
.topnav-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.lang-toggle {
  display: flex;
  gap: 2px;
}
.topnav-logout {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-faint);
  text-decoration: none;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}
.topnav-logout:hover { background: var(--bg-elevated); color: var(--text); text-decoration: none; }
.topnav-admin {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.topnav-admin:hover { background: var(--bg-elevated); text-decoration: none; }
.admin-view-as-banner {
  background: #e3a008;
  color: #000;
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  padding: 7px 16px;
}
.admin-view-as-banner a { color: #000; text-decoration: underline; margin-left: 4px; }
.topnav-premium-badge {
  font-size: 11px;
  font-weight: 700;
  color: #f5a623;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(245,166,35,0.35);
  letter-spacing: 0.02em;
}
.topnav-role-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.topnav-role-admin {
  color: var(--accent);
  border: 1px solid rgba(56,139,253,0.35);
  background: rgba(56,139,253,0.08);
}
.topnav-role-agency {
  color: #f5a623;
  border: 1px solid rgba(245,166,35,0.35);
  background: rgba(245,166,35,0.08);
}
.topnav-role-solo {
  color: #7ee787;
  border: 1px solid rgba(126,231,135,0.35);
  background: rgba(126,231,135,0.08);
}
.admin-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.admin-table th { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border); color: var(--text-muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; }
.admin-table td { padding: 10px 12px; border-bottom: 1px solid var(--border-subtle, var(--border)); }
.admin-table tr:hover td { background: var(--bg-elevated); }
.lang-btn {
  padding: 3px 9px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-faint);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: background var(--transition), color var(--transition);
}
.lang-btn:hover { background: var(--bg-elevated); color: var(--text); text-decoration: none; }
.lang-btn.active { background: var(--bg-elevated); color: var(--text); }

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
  white-space: nowrap;
  text-decoration: none;
}
.btn:hover { background: #2d333b; border-color: #8b949e; text-decoration: none; }
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

.btn-success {
  background: #1a4721;
  border-color: var(--success);
  color: var(--success);
}
.btn-success:hover { background: #1f5c29; }

.btn-danger {
  background: transparent;
  border-color: var(--danger);
  color: var(--danger);
  padding: 5px 10px;
  font-size: 12px;
}
.btn-danger:hover { background: rgba(248, 81, 73, 0.1); }

.btn-sm { padding: 4px 10px; font-size: 12px; }

/* Copy button states */
.copy-btn {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-size: 13px;
  padding: 8px 16px;
  font-weight: 600;
}
.copy-btn:hover:not(:disabled) { background: var(--accent-hover); }
.copy-btn.btn-blocked,
.copy-btn:disabled {
  background: var(--blocked) !important;
  border-color: var(--blocked) !important;
  color: #999 !important;
  cursor: not-allowed !important;
}
.copy-btn.copied {
  background: var(--success) !important;
  border-color: var(--success) !important;
  color: #fff !important;
}

/* ── Forms ─────────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 13px; font-weight: 500; color: var(--text-muted); }
.form-group .hint { font-size: 11px; color: var(--text-faint); }

input[type="text"],
input[type="url"],
textarea,
select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  padding: 8px 12px;
  width: 100%;
  outline: none;
  transition: border-color var(--transition);
}
input:focus, textarea:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(56, 139, 253, 0.15);
}
textarea { resize: vertical; line-height: 1.5; }
textarea.prompt-textarea {
  min-height: 260px;
  font-size: 12.5px;
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  line-height: 1.6;
  resize: vertical;
  background: #0a0e13;
  border-color: var(--border);
  color: #cdd9e5;
  cursor: text;
}
textarea.prompt-textarea:focus {
  border-color: #484f58;
  box-shadow: none;
}
textarea.prompt-textarea.has-changes {
  border-color: var(--warning) !important;
  box-shadow: 0 0 0 3px rgba(210, 153, 34, 0.12);
}
textarea.prompt-textarea.is-custom {
  border-color: rgba(56, 139, 253, 0.4);
}

/* Prompt action bar (injected by JS) */
.prompt-action-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.custom-prompt-badge {
  font-size: 11px;
  padding: 2px 8px;
  background: rgba(56,139,253,0.12);
  color: var(--accent);
  border: 1px solid rgba(56,139,253,0.3);
  border-radius: 10px;
  white-space: nowrap;
}
.prompt-save-btn {
  font-size: 12px;
  padding: 5px 12px;
  background: rgba(63,185,80,0.12);
  border-color: var(--success);
  color: var(--success);
}
.prompt-save-btn:hover { background: rgba(63,185,80,0.2); }
.prompt-reset-btn {
  font-size: 12px;
  padding: 5px 10px;
  color: var(--text-muted);
}
.prompt-save-feedback {
  font-size: 11px;
  color: var(--success);
  opacity: 0;
  transition: opacity 0.3s;
}
.prompt-save-feedback.visible { opacity: 1; }

/* ── Cards / Panels ────────────────────────────────────────── */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

/* ── Instruction Panel ─────────────────────────────────────── */
.instruction-panel {
  background: #161b22;
  border: 1px solid #30363d;
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 24px;
}
.instruction-panel h3 {
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.instruction-panel ol,
.instruction-panel ul {
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.instruction-panel li { color: var(--text-muted); font-size: 13px; }

/* ── Prompt Block ──────────────────────────────────────────── */
.prompt-block {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}
.prompt-block-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}
.prompt-block-meta { flex: 1; }
.prompt-block-meta h3 {
  font-size: 14px;
  color: var(--text);
  margin-bottom: 4px;
}
.prompt-block-meta p {
  font-size: 12px;
  color: var(--text-muted);
}
.prompt-block-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 50%;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  flex-shrink: 0;
  margin-top: 1px;
}

.placeholder-warning {
  background: rgba(210, 153, 34, 0.1);
  border: 1px solid rgba(210, 153, 34, 0.4);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  margin-bottom: 10px;
  font-size: 12px;
  color: var(--warning);
  display: none;
}
.placeholder-warning.visible { display: block; }

/* ── Attachment Block ──────────────────────────────────────── */
.attachment-block {
  margin-top: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

/* Left accent stripe per state */
.attachment-block.fixed  { border-left: 3px solid var(--accent); }
.attachment-block.present { border-left: 3px solid var(--success); }
.attachment-block.missing { border-left: 3px solid var(--danger); }

.attachment-block-header {
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}
.attachment-block.fixed   .attachment-block-header { background: rgba(56,139,253,0.07);  color: var(--accent); }
.attachment-block.present .attachment-block-header { background: rgba(63,185,80,0.07);   color: var(--success); }
.attachment-block.missing .attachment-block-header { background: rgba(248,81,73,0.07);   color: var(--danger); }

.attachment-block-body { padding: 10px 12px; }

.attachment-block-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.attachment-block-row .file-label {
  flex: 1;
  font-size: 13px;
  color: var(--text);
}
.attachment-block-row .file-label strong { font-weight: 600; }
.attachment-block-row .file-meta {
  font-size: 11px;
  color: var(--text-muted);
  margin-left: 4px;
}

.attachment-block-note {
  margin-top: 7px;
  font-size: 11px;
  color: var(--text-faint);
  font-style: italic;
}

/* ── Upload Section ────────────────────────────────────────── */
.upload-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Upload card — replaces old upload-item */
.upload-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}
.upload-card:hover { border-color: #484f58; }

.upload-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-light);
}
.upload-status-icon {
  font-size: 18px;
  flex-shrink: 0;
  width: 24px;
  text-align: center;
}
.upload-card-info { flex: 1; min-width: 0; }
.upload-label { font-size: 13px; font-weight: 600; }
.upload-meta  { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

/* ── Upload progress bar ───────────────────────────────────── */
.upload-progress-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-bottom: 1px solid var(--border-light);
}
.upload-progress-track {
  flex: 1;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}
.upload-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.15s ease;
}
.upload-progress-pct {
  font-size: 11px;
  color: var(--text-muted);
  min-width: 32px;
  text-align: right;
}

/* ── Drop Zone ─────────────────────────────────────────────── */
.drop-zone {
  padding: 18px 20px;
  border-bottom: 1px dashed var(--border);
  transition: background var(--transition), border-color var(--transition);
  cursor: default;
}
.drop-zone.drag-over {
  background: rgba(56, 139, 253, 0.06);
  border-color: var(--accent);
  border-style: solid;
}
.drop-zone-content {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.drop-icon   { font-size: 22px; flex-shrink: 0; }
.drop-text   { font-size: 13px; color: var(--text-muted); display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.drop-sep    { color: var(--text-faint); }
.drop-hint   { font-size: 11px; color: var(--text-faint); margin-left: auto; }

/* ── File List ─────────────────────────────────────────────── */
.file-list { padding: 0; }
.file-entry {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-top: 1px solid var(--border-light);
  font-size: 13px;
  transition: background var(--transition);
}
.file-entry:hover { background: rgba(255,255,255,0.02); }
.file-entry-icon  { flex-shrink: 0; font-size: 15px; }
.file-entry-name  { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-entry-meta  { font-size: 11px; color: var(--text-muted); white-space: nowrap; flex-shrink: 0; }
.file-entry-actions { display: flex; gap: 6px; flex-shrink: 0; }

/* Legacy invisible file input wrapper (kept for compatibility) */
.file-input-wrapper { position: relative; }
.file-input-wrapper input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}
.hidden-file-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

/* ── Progress Bar ──────────────────────────────────────────── */
.progress-steps {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 8px 16px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}
.progress-step {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
  text-decoration: none;
  border: 1px solid transparent;
}
.progress-step .step-label { display: none; }
.progress-step.active .step-label { display: inline; }
.progress-step:hover { color: var(--text); text-decoration: none; }
.progress-step.active {
  color: var(--text);
  background: var(--bg-elevated);
  border-color: var(--border);
}
.progress-step.done .step-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  background: var(--success);
  border-radius: 50%;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
}
.progress-step .step-check { display: none; }
.progress-arrow {
  color: var(--text-faint);
  font-size: 12px;
  padding: 0 4px;
  flex-shrink: 0;
}

/* ── Project Layout ────────────────────────────────────────── */
.project-layout {
  display: flex;
  height: calc(100vh - 52px - 52px); /* minus topnav and progress bar */
}

.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  padding: 16px 0;
  overflow-y: auto;
  flex-shrink: 0;
}
.sidebar-section { padding: 0 12px; margin-bottom: 8px; }
.sidebar-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0 4px;
  margin-bottom: 4px;
}
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
  position: relative;
}
.sidebar-link:hover { background: var(--bg-elevated); color: var(--text); text-decoration: none; }
.sidebar-link.active { background: var(--bg-elevated); color: var(--text); }
.sidebar-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  background: var(--accent);
  border-radius: 0 2px 2px 0;
}
.sidebar-link .done-badge {
  margin-left: auto;
  width: 16px;
  height: 16px;
  background: var(--success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  color: #fff;
  font-weight: 700;
  flex-shrink: 0;
}
.sidebar-group-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 10px 16px 2px;
}
.sidebar-advanced-toggle {
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 5px;
}
.sidebar-advanced-toggle:hover { color: var(--text-muted); }
.sidebar-advanced-arrow {
  font-size: 8px;
  transition: transform var(--transition);
  display: inline-block;
}
.sidebar-advanced-section:not(.collapsed) .sidebar-advanced-arrow { transform: rotate(90deg); }
.sidebar-advanced-body { overflow: hidden; }
.sidebar-advanced-section.collapsed .sidebar-advanced-body { display: none; }
.sidebar-link-sub {
  padding-left: 28px;
  font-size: 12px;
}
.sidebar-path-label {
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-faint);
  padding: 8px 16px 2px 24px;
}

.main-content {
  flex: 1;
  overflow-y: auto;
  padding: 28px 32px;
}

/* ── Page Headers ──────────────────────────────────────────── */
.page-hero {
  max-width: 1100px;
  margin: 0 auto;
}
.page-hero h1 { margin-bottom: 8px; }
.page-hero p { color: var(--text-muted); }

/* ── Client/Project Grid ───────────────────────────────────── */
.client-grid,
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 24px;
}
.client-card,
.project-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  cursor: pointer;
  text-decoration: none;
  display: block;
  transition: border-color var(--transition), background var(--transition);
}
.client-card:hover,
.project-card:hover {
  border-color: var(--accent);
  background: var(--bg-elevated);
  text-decoration: none;
}
.client-card h3,
.project-card h3 {
  font-size: 15px;
  color: var(--text);
  margin-bottom: 6px;
}
.client-card .meta,
.project-card .meta {
  font-size: 12px;
  color: var(--text-muted);
}
.client-card .avatar {
  width: 44px;
  height: 44px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 12px;
}
.client-card-wrapper {
  position: relative;
}
.client-delete-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  padding: 3px 7px;
  font-size: 12px;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--transition), border-color var(--transition), color var(--transition);
  z-index: 1;
  line-height: 1.4;
}
.client-card-wrapper:hover .client-delete-btn { opacity: 1; }
.client-delete-btn:hover { border-color: var(--danger, #f85149); color: var(--danger, #f85149); }

.project-card-wrapper {
  position: relative;
}
.project-rename-btn,
.project-delete-btn {
  position: absolute;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  padding: 3px 7px;
  font-size: 12px;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--transition), border-color var(--transition), color var(--transition);
  z-index: 1;
  line-height: 1.4;
}
.project-rename-btn { top: 10px; right: 44px; }
.project-delete-btn  { top: 10px; right: 10px; }
.project-card-wrapper:hover .project-rename-btn,
.project-card-wrapper:hover .project-delete-btn { opacity: 1; }
.project-rename-btn:hover { border-color: var(--accent); }
.project-delete-btn:hover  { border-color: var(--danger, #f85149); color: var(--danger, #f85149); }
.project-card .progress-mini {
  margin-top: 12px;
  display: flex;
  gap: 4px;
}
.progress-mini-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
}
.progress-mini-dot.done { background: var(--success); }

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.empty-state .icon { font-size: 40px; margin-bottom: 12px; }
.empty-state p { margin-bottom: 20px; }

/* ── Settings Form ─────────────────────────────────────────── */
.settings-form {
  max-width: 600px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.settings-section-header {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.url-entry {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}
.url-entry-label { flex: 0 0 160px; }
.url-entry-url   { flex: 1; }

.settings-save-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 8px;
}
.save-status {
  font-size: 12px;
  color: var(--success);
  opacity: 0;
  transition: opacity 0.3s;
}
.save-status.visible { opacity: 1; }
.save-status.unsaved { color: var(--warning, #e3a008); opacity: 1; }

/* ── Phase Navigation ──────────────────────────────────────── */
.phase-nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 40px;
  padding: 16px 0 8px;
  border-top: 1px solid var(--border);
}
.phase-nav-btn { font-size: 12px; }

/* ── Phase Header ──────────────────────────────────────────── */
.phase-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.phase-header h2 { font-size: 1.2rem; }
.phase-complete-btn {
  font-size: 12px;
  padding: 6px 12px;
}
.phase-complete-btn.is-done {
  background: rgba(63, 185, 80, 0.1);
  border-color: var(--success);
  color: var(--success);
}
.phase-complete-btn:disabled { opacity: 1; }

/* ── Dynamic Cards (2B/2C) ─────────────────────────────────── */
.persona-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}
.persona-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.persona-card-number {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.persona-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}
.persona-inputs .form-group label {
  font-size: 12px;
}
.collapse-controls {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.add-card-btn {
  width: 100%;
  padding: 14px;
  border: 2px dashed var(--border);
  background: transparent;
  color: var(--text-muted);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: border-color var(--transition), color var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.add-card-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Persona Groups (2B/2C) ────────────────────────────────── */
.persona-group {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
}
.persona-group-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  user-select: none;
}
.persona-group.collapsed .persona-group-header {
  border-bottom: none;
}
.persona-group-toggle {
  font-size: 10px;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform var(--transition);
  display: inline-block;
}
.persona-group.collapsed .persona-group-toggle {
  transform: rotate(-90deg);
}
.persona-group-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}
.persona-group-name-input {
  flex: 1;
  background: transparent;
  border: none;
  border-bottom: 1px solid transparent;
  outline: none;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  padding: 2px 0;
  min-width: 0;
  transition: border-color var(--transition);
}
.persona-group-name-input::placeholder { color: var(--text-faint); font-weight: 400; }
.persona-group-name-input:focus { border-bottom-color: var(--accent); }
.persona-group-remove-btn {
  flex-shrink: 0;
  opacity: 0;
  transition: opacity var(--transition);
}
.persona-group-header:hover .persona-group-remove-btn { opacity: 1; }
.persona-no-angles-warning {
  font-size: 11px;
  color: var(--warning, #e3a008);
  font-weight: 500;
  white-space: nowrap;
  flex-shrink: 0;
}
.persona-group-body {
  padding: 16px;
}
.persona-group.collapsed .persona-group-body { display: none; }
.angle-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-bottom: 10px;
}
.angle-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  cursor: pointer;
  user-select: none;
}
.angle-card-body { }
.phase2b-prompt-card.collapsed .angle-card-body,
.phase2c-prompt-card.collapsed .angle-card-body { display: none; }
.phase2b-prompt-card.collapsed .angle-card-header,
.phase2c-prompt-card.collapsed .angle-card-header { margin-bottom: 0; }
.angle-card-number {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.add-angle-btn {
  width: 100%;
  padding: 8px;
  border: 1px dashed var(--border);
  background: transparent;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: border-color var(--transition), color var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 4px;
}
.add-angle-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ── Output section (paste Claude results) ─────────────────── */
.output-section {
  margin-top: 12px;
  border-top: 1px solid var(--border-light);
  padding-top: 10px;
}
.output-toggle-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 6px;
}
.output-toggle-btn:hover { color: var(--text); }
.output-toggle-btn::before {
  content: '▶';
  font-size: 9px;
  display: inline-block;
  transition: transform var(--transition);
}
.output-section.open .output-toggle-btn::before { transform: rotate(90deg); }
.output-body { display: none; margin-top: 8px; }
.output-section.open .output-body { display: block; }
.output-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin: 0 0 8px 0;
  line-height: 1.5;
}
.output-textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 13px;
  padding: 10px;
  resize: vertical;
  font-family: inherit;
  line-height: 1.5;
}
.output-textarea:focus {
  outline: none;
  border-color: var(--accent);
}

/* ── Phase 3 per-headline cards ────────────────────────────── */
.phase3-headline-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0;
  margin-bottom: 12px;
  overflow: hidden;
}
.phase3-headline-header {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 10px 14px;
  background: var(--bg-input);
  border-bottom: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  user-select: none;
}
.phase3-headline-toggle {
  font-size: 10px;
  color: var(--text-muted);
  transition: transform 0.15s;
  flex-shrink: 0;
}
.phase3-headline-card.collapsed .phase3-headline-toggle { transform: rotate(-90deg); }
.phase3-headline-label-text {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  word-break: break-word;
}
.phase3-headline-body {
  padding: 14px 16px;
}
.phase3-headline-card.collapsed .phase3-headline-body { display: none; }
.phase3-no-headlines {
  color: var(--text-muted);
  font-size: 13px;
  padding: 16px;
  text-align: center;
}
/* Multiple primary text entries */
.phase3-pt-list { margin-bottom: 8px; }
.phase3-pt-entry {
  position: relative;
  margin-bottom: 10px;
}
.phase3-pt-remove-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  z-index: 1;
  font-size: 11px;
  padding: 2px 8px;
}
.phase3-pt-entry .output-textarea { padding-right: 72px; }
.add-pt-btn {
  width: 100%;
  padding: 7px;
  border: 1px dashed var(--border);
  background: transparent;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
  text-align: center;
}
.add-pt-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ── Phase 3 read-only labels ──────────────────────────────── */
.phase3-persona-name {
  flex: 1;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.phase3-angle-label {
  flex: 1;
  font-size: 12px;
  color: var(--text-muted);
  font-style: italic;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding-left: 8px;
  min-width: 0;
}

/* ── Modal ─────────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.modal-backdrop.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  width: 100%;
  max-width: 440px;
  transform: translateY(10px);
  transition: transform 0.2s;
}
.modal-backdrop.open .modal { transform: translateY(0); }
.modal h2 { font-size: 16px; margin-bottom: 20px; }
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

/* ── Toast ─────────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 13px;
  animation: slideIn 0.2s ease;
  max-width: 320px;
}
.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
@keyframes slideIn {
  from { transform: translateX(20px); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

/* ── Misc ──────────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: var(--border);
  margin: 20px 0;
}
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
}
.badge-blue { background: rgba(56,139,253,0.15); color: var(--accent); }
.badge-green { background: rgba(63,185,80,0.15); color: var(--success); }
.badge-orange { background: rgba(210,153,34,0.15); color: var(--warning); }

.section-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mb-4 { margin-bottom: 16px; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #484f58; }

/* ── Phase 2A Bundle bar ────────────────────────────────── */
.bundle-bar {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 20px;
}
.bundle-bar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.bundle-copy-status {
  font-size: 13px;
  color: var(--success);
  font-weight: 500;
}
.bundle-bar-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin: 8px 0 0 0;
}

/* ── Persona sub-sections (Angles / Hesitations) ──────── */
.persona-section {
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 8px;
  overflow: hidden;
}
.persona-section-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--surface-2);
  cursor: pointer;
  user-select: none;
}
.persona-section-toggle {
  font-size: 10px;
  transition: transform 0.15s;
  color: var(--text-muted);
}
.persona-section.collapsed .persona-section-toggle { transform: rotate(-90deg); }
.persona-section.collapsed .persona-section-body   { display: none; }
.persona-section-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.persona-section-body {
  padding: 12px 14px;
}

/* ── Hesitation pairs ───────────────────────────────────── */
.hesitation-pair {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  margin-bottom: 10px;
}
.hesitation-pair-num {
  font-size: 12px;
  color: var(--text-faint);
  min-width: 18px;
  padding-bottom: 7px;
}
.hesitation-pair-fields {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.hesitation-pair-field label {
  font-size: 11px;
  color: var(--text-muted);
  display: block;
  margin-bottom: 3px;
}
.hesitation-pair-field input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text);
  font-size: 13px;
  padding: 6px 8px;
  box-sizing: border-box;
}
.hesitation-pair-field input:focus {
  outline: none;
  border-color: var(--accent);
}
.add-hesitation-btn {
  font-size: 12px;
  padding: 5px 12px;
  background: transparent;
  border: 1px dashed var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  cursor: pointer;
  margin-top: 4px;
}
.add-hesitation-btn:hover { border-color: var(--accent); color: var(--accent); }
@media (max-width: 700px) {
  .hesitation-pair-fields { grid-template-columns: 1fr; }
}

/* ── Auth pages (login / no-access) ───────────────────────── */
.auth-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 56px);
  padding: 24px;
}
.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 40px;
  max-width: 420px;
  width: 100%;
  text-align: center;
}
.auth-icon { font-size: 36px; margin-bottom: 8px; }
.auth-title { font-size: 22px; font-weight: 700; margin-bottom: 6px; }
.auth-sub { color: var(--text-muted); font-size: 14px; margin-bottom: 32px; line-height: 1.6; }
.auth-note { margin-top: 20px; font-size: 12px; color: var(--text-muted); }
.auth-note-link { color: var(--accent); text-decoration: underline; }
.auth-note-link:hover { color: var(--text-primary); }
.btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 12px 20px;
  background: #fff;
  color: #333;
  border: 1px solid #ddd;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
}
.btn-google:hover { background: #f5f5f5; }
.btn-google svg { width: 20px; height: 20px; flex-shrink: 0; }

/* Phase 2A details toggle */
.phase2a-details-toggle-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  margin: 16px 0 0;
  padding: 10px 16px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 13px;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s, color 0.15s;
}
.phase2a-details-toggle-btn:hover {
  background: var(--bg-hover, rgba(255,255,255,0.05));
  color: var(--text);
}
.phase2a-details-toggle-btn .phase2a-toggle-icon {
  font-size: 10px;
  transition: transform 0.15s;
}
.phase2a-details-toggle-btn.open .phase2a-toggle-icon {
  transform: rotate(90deg);
}

/* Headline individual fields (Phase 2.1 best headlines) */
.output-section-headlines {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border-light);
}
.output-headlines-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.output-headlines-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin: 0 0 10px;
}
.headline-fields-container {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.headline-field-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.headline-field-num {
  font-size: 12px;
  color: var(--text-muted);
  min-width: 22px;
  text-align: right;
  flex-shrink: 0;
}
.headline-input {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 13px;
  padding: 7px 10px;
  font-family: inherit;
  line-height: 1.4;
}
.headline-input:focus {
  outline: none;
  border-color: var(--accent);
}
.remove-headline-btn {
  flex-shrink: 0;
  padding: 4px 8px;
  font-size: 11px;
}
.add-headline-btn {
  display: inline-flex;
  align-items: center;
  margin-top: 8px;
  padding: 5px 12px;
  font-size: 12px;
  background: transparent;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}
.add-headline-btn:hover {
  color: var(--text);
  border-color: var(--accent);
}

/* Prompt Templates page */
.template-editor-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
}
.template-editor-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}
.template-editor-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}
.template-editor-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin: 0 0 10px;
}
.template-editor-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}
.tpl-save-status {
  font-size: 12px;
  color: var(--success);
}
.badge-custom {
  font-size: 11px;
  padding: 2px 7px;
  background: rgba(99,102,241,0.15);
  color: var(--accent);
  border-radius: 10px;
  border: 1px solid var(--accent);
}

/* Upload info button & popup */
.upload-info-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  margin-left: 6px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--text-muted);
  border-radius: 50%;
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
  line-height: 1;
  vertical-align: middle;
  transition: border-color 0.15s, color 0.15s;
  flex-shrink: 0;
}
.upload-info-btn:hover { border-color: var(--accent); color: var(--accent); }

.upload-info-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.72);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.upload-info-popup {
  background: #21262d;
  border: 1px solid #30363d;
  border-radius: 8px;
  max-width: 500px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 16px 48px rgba(0,0,0,0.7);
}
.upload-info-popup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px 12px;
  border-bottom: 1px solid #30363d;
}
.upload-info-popup-title {
  font-size: 14px;
  font-weight: 600;
  color: #e6edf3;
}
.upload-info-popup-close {
  background: none;
  border: none;
  color: #8b949e;
  font-size: 16px;
  cursor: pointer;
  padding: 2px 6px;
  line-height: 1;
}
.upload-info-popup-close:hover { color: #e6edf3; }
.upload-info-popup-body {
  padding: 16px;
  font-size: 13px;
  color: #8b949e;
  line-height: 1.7;
}
.upload-info-popup-body strong { color: #e6edf3; }
.upload-info-popup-body a { color: #388bfd; }
.upload-info-popup-body a:hover { text-decoration: underline; }
.upload-info-popup-body ol,
.upload-info-popup-body ul { padding-left: 20px; margin: 10px 0; }
.upload-info-popup-body li { margin-bottom: 5px; }
.upload-info-popup-body em { color: #484f58; font-style: italic; }

/* ── Phase 4: Overview & Export ──────────────────────────────── */
.phase4-persona-section { margin-bottom: 20px; }
.phase4-persona-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  user-select: none;
}
.phase4-persona-name { font-weight: 700; font-size: 15px; color: var(--text); flex: 1; }
.phase4-persona-body { padding: 12px 0 0; display: flex; flex-direction: column; gap: 12px; }
.phase4-persona-section.collapsed .phase4-persona-body { display: none; }

.phase4-angle-block {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s;
}
.phase4-angle-block.collapsed .phase4-angle-body { display: none; }
.phase4-sel-cb, .phase4-hl-sel-cb, .phase4-sel-top-cb { display: none; cursor: pointer; accent-color: var(--accent); width: 15px; height: 15px; flex-shrink: 0; }
#phase4-content.selection-mode .phase4-sel-cb { display: inline-block; }
.phase4-sel-toolbar {
  display: none;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.3);
  border-radius: var(--radius);
  padding: 10px 14px;
  margin-bottom: 12px;
  font-size: 13px;
}
.phase4-sel-toolbar.visible { display: flex; }
.phase4-angle-toggle {
  font-size: 9px;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform var(--transition);
}
.phase4-angle-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
}
.phase4-angle-name { flex: 1; font-weight: 600; font-size: 13px; color: var(--text); }
.phase4-used-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
}
.phase4-used-label input[type="checkbox"] { cursor: pointer; accent-color: var(--success); }
.phase4-angle-block.is-used .phase4-used-label { color: var(--success); }

.phase4-headline-block {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-light);
}
.phase4-headline-block:last-child { border-bottom: none; }
.phase4-headline-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 6px;
  cursor: pointer;
  user-select: none;
}
.phase4-hl-toggle {
  font-size: 9px;
  color: var(--text-muted);
  flex-shrink: 0;
  margin-top: 3px;
  transition: transform var(--transition);
  display: inline-block;
}
.phase4-headline-block.collapsed .phase4-headline-row { margin-bottom: 0; }
.phase4-headline-block.collapsed .phase4-hl-body { display: none; }
.phase4-headline-block.is-used { border-left: 3px solid var(--success); opacity: 0.65; }
.phase4-headline-block.is-used .phase4-used-label { color: var(--success); }
.phase4-hl-counter {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-faint);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1px 8px;
  flex-shrink: 0;
  margin-right: 4px;
}
.phase4-hl-counter.has-used { color: var(--success); border-color: var(--success); }
.phase4-hl-num {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 5px;
  flex-shrink: 0;
  margin-top: 1px;
}
.phase4-hl-text { flex: 1; font-size: 13px; font-weight: 600; color: var(--text); line-height: 1.4; }
.phase4-pt-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 6px 0 6px 20px;
  border-top: 1px solid var(--border-light);
}
.phase4-pt-num {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  min-width: 18px;
  flex-shrink: 0;
  padding-top: 1px;
}
.phase4-pt-text {
  flex: 1;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
  white-space: pre-wrap;
}
.phase4-copy-btn {
  flex-shrink: 0;
  padding: 2px 6px;
  font-size: 12px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
}
.phase4-copy-btn:hover { border-color: var(--accent); color: var(--accent); }
.phase4-empty-msg { font-size: 12px; color: var(--text-faint); padding: 8px 14px; font-style: italic; }
.phase4-content-type-header {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-faint);
  padding: 10px 0 4px 0;
  border-top: 1px solid var(--border);
  margin-top: 8px;
}
.phase4-content-type-header:first-child { border-top: none; margin-top: 0; }

/* Completion badge (green checkmark) */
.group-warning-badge {
  font-size: 12px;
  flex-shrink: 0;
  line-height: 1;
}
.completion-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  background: var(--success);
  border-radius: 50%;
  color: #fff;
  font-size: 9px;
  font-weight: 700;
  flex-shrink: 0;
}

/* ── Hamburger button (hidden on desktop) ──────────────────── */
.hamburger-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  color: var(--text);
  font-size: 20px;
  line-height: 1;
  flex-shrink: 0;
}

/* ── Sidebar overlay backdrop ──────────────────────────────── */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 149;
}

/* ── Mobile layout ≤ 768px ─────────────────────────────────── */
@media (max-width: 768px) {
  body.has-sidebar .hamburger-btn { display: flex; align-items: center; }

  .topnav { padding: 0 12px; }
  .topnav .breadcrumb { display: none; }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 150;
    transform: translateX(calc(-1 * var(--sidebar-w) - 4px));
    transition: transform 0.25s ease;
    box-shadow: none;
  }
  body.sidebar-open .sidebar {
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.4);
  }
  body.sidebar-open .sidebar-backdrop { display: block; }

  .project-layout { height: auto; min-height: calc(100vh - 52px - 52px); }
  .main-content { padding: 16px; overflow-y: visible; }
}