/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--space-2);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
  min-height: 44px;
  text-decoration: none;
}
.btn-sm { padding: 8px 14px; min-height: 36px; font-size: 0.875rem; }
.btn-lg { padding: 16px 28px; font-size: 1.05rem; min-height: 52px; }
.btn-block { width: 100%; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-secondary { background: var(--bg-secondary); color: var(--text-primary); border-color: var(--border); }
.btn-secondary:hover { background: var(--bg-tertiary); color: var(--text-primary); }
.btn-ghost { background: transparent; color: var(--text-primary); border-color: transparent; }
.btn-ghost:hover { background: var(--bg-tertiary); color: var(--text-primary); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; color: #fff; }
.btn-outline { background: transparent; color: var(--text-primary); border-color: var(--border-strong); }
.btn-outline:hover { background: var(--bg-tertiary); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; transform: none; }
.btn-icon { padding: 0; width: 44px; height: 44px; }
.icon-btn { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: var(--radius-md); color: var(--text-secondary); }
.icon-btn:hover { background: var(--bg-tertiary); color: var(--text-primary); }
.link-btn { color: var(--text-secondary); padding: 0; }
.link-btn:hover { color: var(--text-primary); }

/* Cards */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}
.card-elev { background: var(--bg-elevated); box-shadow: var(--shadow-md); }
.card-hover { transition: transform var(--transition-base), box-shadow var(--transition-base); }
.card-hover:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); border-color: var(--border-strong); }
.card-header { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-3); margin-bottom: var(--space-4); }
.card-title { margin: 0; font-size: 1.05rem; }
.card-meta { color: var(--text-muted); font-size: 0.875rem; }

/* Forms */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: var(--space-4); }
.field label, .field-label { font-weight: 500; color: var(--text-primary); font-size: 0.9rem; }
.field .help { color: var(--text-muted); font-size: 0.825rem; }
.input, .select, .textarea {
  width: 100%; padding: 12px 14px;
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 44px;
}
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.textarea { min-height: 120px; resize: vertical; line-height: 1.55; font-family: var(--font-body); }
.field-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-4); }
.checkbox, .radio { display: inline-flex; align-items: center; gap: var(--space-2); cursor: pointer; }
.checkbox input, .radio input { width: 18px; height: 18px; accent-color: var(--accent); }

.form-error { color: var(--danger); font-size: 0.875rem; margin-top: var(--space-2); }
.form-banner {
  padding: 12px 16px; border-radius: var(--radius-md); margin-bottom: var(--space-4);
  display: flex; align-items: center; gap: var(--space-2); font-size: 0.95rem;
}
.form-banner.error { background: rgba(239,68,68,0.1); color: #fecaca; border: 1px solid rgba(239,68,68,0.3); }
.form-banner.success { background: rgba(16,185,129,0.1); color: #bbf7d0; border: 1px solid rgba(16,185,129,0.3); }
.form-banner.info { background: var(--accent-soft); color: var(--text-primary); border: 1px solid rgba(59,130,246,0.3); }

/* Badges */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: var(--radius-pill);
  font-size: 0.75rem; font-weight: 600;
  background: var(--bg-tertiary); color: var(--text-secondary);
  border: 1px solid var(--border);
}
.badge-success { background: rgba(16,185,129,0.15); color: #6ee7b7; border-color: rgba(16,185,129,0.4); }
.badge-warning { background: rgba(245,158,11,0.15); color: #fbbf24; border-color: rgba(245,158,11,0.4); }
.badge-danger { background: rgba(239,68,68,0.15); color: #fca5a5; border-color: rgba(239,68,68,0.4); }
.badge-info { background: rgba(6,182,212,0.15); color: #67e8f9; border-color: rgba(6,182,212,0.4); }
.badge-free { background: var(--bg-tertiary); }
.badge-pro { background: rgba(59,130,246,0.18); color: #93c5fd; border-color: rgba(59,130,246,0.4); }
.badge-agency { background: rgba(139,92,246,0.18); color: #c4b5fd; border-color: rgba(139,92,246,0.4); }

/* Tables */
.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--border); background: var(--bg-secondary); }
.table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.table th, .table td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--border); }
.table th { background: var(--bg-tertiary); color: var(--text-primary); font-weight: 600; font-size: 0.825rem; text-transform: uppercase; letter-spacing: 0.04em; }
.table tr:last-child td { border-bottom: 0; }
.table tr:hover td { background: var(--bg-tertiary); }

/* Toast */
.toast-region { position: fixed; top: 24px; right: 24px; display: flex; flex-direction: column; gap: 8px; z-index: 9000; pointer-events: none; }
.toast { pointer-events: auto; padding: 12px 16px; border-radius: var(--radius-md); background: var(--bg-elevated); border: 1px solid var(--border); box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 8px; min-width: 240px; max-width: 360px; animation: toastIn 200ms ease-out; }
.toast.success { border-color: rgba(16,185,129,0.4); }
.toast.error { border-color: rgba(239,68,68,0.4); }
@keyframes toastIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }

/* Modal */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  display: flex; align-items: center; justify-content: center;
  z-index: 8000; padding: var(--space-4);
  animation: fadeIn 150ms ease-out;
}
.modal {
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: var(--space-6);
  max-width: 560px; width: 100%; max-height: 90vh; overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: modalIn 200ms ease-out;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes modalIn { from { opacity: 0; transform: scale(0.96); } to { opacity: 1; transform: none; } }

/* Empty state */
.empty-state {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: var(--space-2); min-height: 180px; padding: var(--space-5);
  text-align: center; color: var(--text-muted);
}
.empty-state .icon { font-size: 2rem; color: var(--text-muted); }
.empty-state .label { font-size: 0.95rem; }

/* Cookie banner */
.cookie-banner {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 7000;
  background: var(--bg-elevated); border-top: 1px solid var(--border);
  box-shadow: var(--shadow-lg); padding: var(--space-4) 0;
}
.cookie-banner[hidden] { display: none; }
.cookie-row { display: flex; align-items: center; gap: var(--space-4); flex-wrap: wrap; justify-content: space-between; }
.cookie-row p { margin: 0; flex: 1 1 320px; }
.cookie-actions { display: flex; gap: var(--space-2); align-items: stretch; }

/* Tabs */
.tabs { display: flex; gap: var(--space-1); border-bottom: 1px solid var(--border); margin-bottom: var(--space-5); overflow-x: auto; }
.tab { padding: 10px 16px; color: var(--text-muted); font-weight: 500; border-bottom: 2px solid transparent; transition: color var(--transition-fast), border-color var(--transition-fast); white-space: nowrap; }
.tab:hover { color: var(--text-primary); }
.tab.is-active { color: var(--text-primary); border-bottom-color: var(--accent); }

/* Progress / credit bar */
.credit-bar { height: 8px; background: var(--bg-tertiary); border-radius: var(--radius-pill); overflow: hidden; }
.credit-bar > span { display: block; height: 100%; background: var(--accent); border-radius: var(--radius-pill); transition: width 400ms ease; }
.credit-bar.warn > span { background: var(--warning); }
.credit-bar.danger > span { background: var(--danger); }

/* Status indicator dots */
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--text-muted); }
.dot.success { background: var(--success); }
.dot.warning { background: var(--warning); }
.dot.danger { background: var(--danger); }
.dot.info { background: var(--info); }

/* Ad slot placeholders (marketing pages only) */
.ad-slot { display: flex; align-items: center; justify-content: center; background: var(--bg-tertiary); border: 1px dashed var(--border); color: var(--text-muted); font-size: 0.825rem; margin: var(--space-5) auto; border-radius: var(--radius-md); }
.ad-leaderboard { width: 728px; max-width: 100%; height: 90px; }
.ad-rectangle { width: 300px; height: 250px; }

/* Accordion */
.accordion details {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0;
  margin-bottom: var(--space-3);
  background: var(--bg-secondary);
}
.accordion summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 20px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-3);
}
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after { content: '\2b'; color: var(--text-muted); transition: transform var(--transition-fast); font-family: 'Font Awesome 6 Free'; font-weight: 900; }
.accordion details[open] summary::after { content: '\f068'; }
.accordion .accordion-body { padding: 0 20px 20px; color: var(--text-secondary); }

/* Skeleton loader */
.skeleton { background: linear-gradient(90deg, var(--bg-tertiary), var(--bg-secondary), var(--bg-tertiary)); background-size: 200% 100%; animation: shimmer 1.4s infinite; border-radius: var(--radius-sm); height: 16px; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* Code block */
.codeblock { font-family: var(--font-mono); background: var(--bg-tertiary); padding: 16px; border-radius: var(--radius-md); border: 1px solid var(--border); overflow-x: auto; font-size: 0.875rem; color: var(--text-primary); }

/* Answer summary box (AEO) */
.answer-summary {
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
  color: var(--text-primary);
}
.answer-summary p { margin: 0; }
.answer-summary strong { color: var(--accent); }