/* ─── AdAutomate Matrix — Styles ──────────────────────────────── */

:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: #1e293b;
  --bg-input: #334155;
  --border: #475569;
  --border-light: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --accent-light: rgba(99, 102, 241, 0.15);
  --success: #22c55e;
  --success-bg: rgba(34, 197, 94, 0.15);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.15);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.15);
  --variant-a: #6366f1;
  --variant-b: #f59e0b;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --transition: 0.2s ease;
}

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

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

/* ─── Header ────────────────────────────────────────────────── */

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-left { display: flex; align-items: center; gap: 10px; }
.logo { font-size: 24px; }
.app-name { font-size: 18px; font-weight: 700; }
.header-right { display: flex; align-items: center; gap: 12px; }

.tier-badge {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}
.tier-guest { background: var(--bg-input); color: var(--text-secondary); }
.tier-free { background: var(--accent-light); color: var(--accent-hover); }
.tier-pro { background: var(--success-bg); color: var(--success); }
.tier-agency { background: var(--warning-bg); color: var(--warning); }

.daily-count { font-size: 13px; color: var(--text-secondary); }

/* ─── Tab Navigation ────────────────────────────────────────── */

.tab-nav {
  display: flex;
  background: var(--bg-secondary);
  border-bottom: 2px solid var(--border-light);
  padding: 0 24px;
  overflow-x: auto;
}
.tab-btn {
  padding: 14px 20px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: var(--transition);
  white-space: nowrap;
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { color: var(--accent-hover); border-bottom-color: var(--accent); }
.tab-icon { margin-right: 6px; }

/* ─── Main Content ──────────────────────────────────────────── */

.main-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.panel-header { margin-bottom: 20px; }
.panel-header h2 { font-size: 22px; margin-bottom: 4px; }
.subtitle { color: var(--text-secondary); font-size: 14px; }

/* ─── Forms ─────────────────────────────────────────────────── */

.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}
.form-row { display: flex; gap: 16px; margin-bottom: 14px; }
.form-row-end { align-items: flex-end; }
.form-group { flex: 1; display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--text-secondary); }
.form-group input, .form-group textarea, .form-group select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  transition: var(--transition);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-hint { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* ─── Duel Input ────────────────────────────────────────────── */

.duel-input-row {
  display: flex;
  gap: 12px;
  align-items: stretch;
  margin-bottom: 14px;
}
.duel-side { flex: 1; }
.duel-vs {
  display: flex;
  align-items: center;
  font-size: 18px;
  font-weight: 800;
  color: var(--text-muted);
  padding: 0 8px;
}
.variant-label {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  margin-right: 6px;
  text-transform: uppercase;
}
.variant-a { background: var(--accent-light); color: var(--accent-hover); }
.variant-b { background: var(--warning-bg); color: var(--warning); }

/* ─── Buttons ───────────────────────────────────────────────── */

.btn {
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: var(--bg-input); color: var(--text-primary); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text-secondary); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent-hover); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-duel { background: linear-gradient(135deg, var(--variant-a), var(--variant-b)); }
.btn-vote { flex: 1; padding: 12px; }
.btn-vote-a { background: var(--accent-light); color: var(--accent-hover); border: 1px solid var(--accent); }
.btn-vote-a:hover { background: var(--accent); color: #fff; }
.btn-vote-b { background: var(--warning-bg); color: var(--warning); border: 1px solid var(--warning); }
.btn-vote-b:hover { background: var(--warning); color: #fff; }
.btn-vote:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-icon { font-size: 16px; }

/* ─── Loading ───────────────────────────────────────────────── */

.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 40px;
  color: var(--text-secondary);
}
.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border-light);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.hidden { display: none !important; }

/* ─── Error ─────────────────────────────────────────────────── */

.error-callout {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: var(--danger-bg);
  border: 1px solid var(--danger);
  border-radius: var(--radius);
  margin-bottom: 20px;
  color: #fca5a5;
}
.error-icon { font-size: 18px; }
.error-msg { flex: 1; font-size: 14px; }

/* ─── Results Container ─────────────────────────────────────── */

.results-container {
  animation: fadeIn 0.3s ease;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* ─── Strength Card ─────────────────────────────────────────── */

.strength-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.strength-label { font-weight: 600; font-size: 14px; }
.strength-gauge { display: flex; align-items: center; gap: 12px; flex: 1; }
.gauge-bar {
  flex: 1;
  height: 10px;
  background: var(--bg-input);
  border-radius: 5px;
  overflow: hidden;
  max-width: 300px;
}
.gauge-fill {
  height: 100%;
  border-radius: 5px;
  transition: width 0.6s ease, background 0.6s ease;
  width: 60%;
}
.gauge-text { font-size: 14px; font-weight: 700; min-width: 80px; }

/* ─── Stats Row ─────────────────────────────────────────────── */

.stats-row {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  min-width: 100px;
}
.stat-value { font-size: 20px; font-weight: 700; }
.stat-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; }

/* ─── Tables ────────────────────────────────────────────────── */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
}
.card h3 { padding: 14px 18px; font-size: 15px; border-bottom: 1px solid var(--border-light); display: flex; align-items: center; gap: 8px; }
.count-badge {
  background: var(--accent-light);
  color: var(--accent-hover);
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 600;
}
.table-wrap { overflow-x: auto; }
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.data-table th {
  text-align: left;
  padding: 10px 14px;
  background: rgba(0,0,0,0.2);
  color: var(--text-secondary);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.data-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-light);
  vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table .chars-col { text-align: center; font-variant-numeric: tabular-nums; }
.action-col { width: 60px; text-align: center; }
.chars-warn { color: var(--warning); font-weight: 600; }
.chars-ok { color: var(--success); }
.copy-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition);
}
.copy-btn:hover { border-color: var(--accent); color: var(--accent-hover); }
.copy-btn.copied { background: var(--success-bg); border-color: var(--success); color: var(--success); }

/* ─── Display Paths ─────────────────────────────────────────── */

.display-paths {
  display: flex;
  gap: 10px;
  padding: 14px;
  font-size: 14px;
  color: var(--text-secondary);
}
.display-paths code {
  background: var(--accent-light);
  color: var(--accent-hover);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 13px;
}

/* ─── Actions Row ───────────────────────────────────────────── */

.actions-row {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}

/* ─── A/B Grid ──────────────────────────────────────────────── */

.filter-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.filter-label { font-size: 13px; color: var(--text-secondary); }
.filter-btns { display: flex; gap: 6px; flex-wrap: wrap; }
.filter-btn {
  padding: 5px 14px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.filter-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.ab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 12px;
}
.ab-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 14px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.ab-card:hover { border-color: var(--accent); }
.ab-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px;
  height: 100%;
}
.ab-card.angle-save_time::before { background: #6366f1; }
.ab-card.angle-earn_more::before { background: #22c55e; }
.ab-card.angle-easy_to_use::before { background: #f59e0b; }
.ab-card.angle-pain_point::before { background: #ef4444; }
.ab-card.angle-social_proof::before { background: #8b5cf6; }

.ab-card .ab-angle-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.ab-card .ab-hook { font-size: 14px; font-weight: 600; margin-bottom: 6px; line-height: 1.4; }
.ab-card .ab-body { font-size: 13px; color: var(--text-secondary); margin-bottom: 10px; line-height: 1.5; }
.ab-card .ab-cta-row { display: flex; justify-content: space-between; align-items: center; }
.ab-card .ab-cta {
  font-size: 13px;
  font-weight: 700;
  padding: 4px 12px;
  background: var(--accent-light);
  color: var(--accent-hover);
  border-radius: 4px;
}
.ab-card .ab-ctr { font-size: 11px; font-weight: 600; padding: 3px 8px; border-radius: 10px; }
.ctr-high { background: var(--success-bg); color: var(--success); }
.ctr-medium { background: var(--warning-bg); color: var(--warning); }
.ctr-low { background: var(--danger-bg); color: var(--danger); }

/* ─── Duel Results ──────────────────────────────────────────── */

.winner-banner {
  background: linear-gradient(135deg, var(--accent-light), rgba(245,158,11,0.15));
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.winner-icon { font-size: 28px; }
.winner-text { font-size: 18px; font-weight: 700; }
.winner-reason { font-size: 13px; color: var(--text-secondary); width: 100%; margin-top: 4px; }

.comparison-grid {
  display: grid;
  grid-template-columns: 140px 1fr 1fr;
  gap: 1px;
  font-size: 13px;
  padding: 0;
}
.comp-header { padding: 10px 14px; font-weight: 700; font-size: 12px; text-transform: uppercase; color: var(--text-secondary); background: rgba(0,0,0,0.2); }
.comp-side-a { color: var(--variant-a); }
.comp-side-b { color: var(--variant-b); }
.comp-label { padding: 12px 14px; font-weight: 600; border-bottom: 1px solid var(--border-light); }
.comp-value { padding: 12px 14px; display: flex; align-items: center; gap: 8px; border-bottom: 1px solid var(--border-light); }

.mini-bar { width: 100px; height: 8px; background: var(--bg-input); border-radius: 4px; overflow: hidden; }
.mini-fill { height: 100%; border-radius: 4px; transition: width 0.6s ease; }
.mini-fill.a { background: var(--variant-a); }
.mini-fill.b { background: var(--variant-b); }

.cta-badge {
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}
.cta-badge[data-strength="strong"] { background: var(--success-bg); color: var(--success); }
.cta-badge[data-strength="medium"] { background: var(--warning-bg); color: var(--warning); }
.cta-badge[data-strength="weak"] { background: var(--danger-bg); color: var(--danger); }

/* ─── Voting ────────────────────────────────────────────────── */

.vote-section { padding: 8px 0; }
.vote-bars { margin-bottom: 16px; }
.vote-side { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.vote-label { font-size: 13px; font-weight: 600; width: 70px; }
.vote-bar-wrap { flex: 1; height: 22px; background: var(--bg-input); border-radius: 6px; overflow: hidden; }
.vote-bar { height: 100%; border-radius: 6px; transition: width 0.5s ease; display: flex; align-items: center; padding-left: 8px; font-size: 11px; font-weight: 700; }
.vote-bar.a { background: var(--variant-a); }
.vote-bar.b { background: var(--variant-b); }
.vote-count { font-size: 14px; font-weight: 700; min-width: 30px; text-align: right; }
.vote-buttons { display: flex; gap: 10px; margin-bottom: 8px; }
.vote-total { font-size: 12px; color: var(--text-muted); text-align: center; }
.duel-id-text { font-size: 12px; color: var(--text-muted); margin-top: 10px; text-align: center; }
.duel-id-text code { background: var(--bg-input); padding: 2px 6px; border-radius: 3px; font-size: 11px; }

/* ─── Toast ─────────────────────────────────────────────────── */

.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  z-index: 1000;
  box-shadow: var(--shadow);
  animation: slideIn 0.3s ease;
}
.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ─── Modal ─────────────────────────────────────────────────── */

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  animation: fadeIn 0.2s ease;
}
.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  max-width: 420px;
  width: 90%;
  box-shadow: var(--shadow);
}
.modal-content h3 { margin-bottom: 10px; }
.modal-content p { color: var(--text-secondary); font-size: 14px; margin-bottom: 14px; }
.token-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text-primary);
  font-size: 14px;
  margin-bottom: 14px;
  font-family: monospace;
}
.modal-actions { display: flex; gap: 10px; }
.token-hint { font-size: 12px; color: var(--text-muted); margin-top: 12px; }

/* ─── Responsive ────────────────────────────────────────────── */

@media (max-width: 768px) {
  .header { padding: 10px 14px; }
  .tab-nav { padding: 0 10px; }
  .tab-btn { padding: 12px 14px; font-size: 13px; }
  .main-content { padding: 14px; }
  .form-row { flex-direction: column; }
  .duel-input-row { flex-direction: column; }
  .duel-vs { padding: 8px 0; justify-content: center; }
  .ab-grid { grid-template-columns: 1fr; }
  .comparison-grid { grid-template-columns: 100px 1fr 1fr; font-size: 12px; }
  .winner-banner { flex-direction: column; align-items: flex-start; }
  .stats-row { gap: 8px; }
  .stat-card { min-width: 80px; }
  .stat-value { font-size: 16px; }
}
@media (max-width: 480px) {
  .tab-btn { padding: 10px 10px; font-size: 12px; }
  .tab-btn .tab-icon { margin-right: 2px; }
  .comparison-grid { grid-template-columns: 80px 1fr 1fr; font-size: 11px; }
  .actions-row { flex-direction: column; }
}

/* ─── Accessibility ─────────────────────────────────────────── */

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
@media (prefers-reduced-motion) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}