/* ============================================
   SEO TOOL PRO - COMPONENT STYLES
   Buttons, Cards, Forms, Tables, etc.
   ============================================ */

/* ===================== BUTTONS ===================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 18px;
  border-radius: var(--border-radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  letter-spacing: -0.1px;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition-fast);
}

.btn:hover::before { background: rgba(255,255,255,0.05); }
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-hover));
  color: white;
  box-shadow: 0 4px 12px var(--brand-glow);
}
.btn-primary:hover {
  background: var(--brand-primary-hover);
  box-shadow: 0 6px 16px var(--brand-glow);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border-primary);
}
.btn-secondary:hover { color: var(--text-primary); border-color: var(--brand-primary); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
}
.btn-ghost:hover { background: var(--bg-card); color: var(--text-primary); }

.btn-success {
  background: linear-gradient(135deg, #059669, #10b981);
  color: white;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-danger {
  background: linear-gradient(135deg, #dc2626, #ef4444);
  color: white;
}

.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-lg { padding: 5px 26px; font-size: 0.85rem; }
.btn-icon { padding: 8px; min-width: 36px; }
.btn-full { width: 100%; justify-content: center; }

.btn-loading {
  pointer-events: none;
  opacity: 0.8;
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===================== CARDS ===================== */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  pointer-events: none;
}

.card:hover { border-color: var(--brand-primary); }

.card-header {
  padding: 12px 16px 10px;
  border-bottom: 1px solid var(--border-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title-icon {
  width: 28px;
  height: 28px;
  background: var(--bg-input);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-primary);
  font-size: 0.85rem;
}

.card-body { padding: 10px 10px; }
.card-footer { padding: 12px 16px; border-top: 1px solid var(--border-primary); }

/* Stat Cards */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--border-radius-lg);
  padding: 20px 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
}

.stat-card::after {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  opacity: 0.04;
  transition: opacity var(--transition-base);
}

.stat-card:hover { border-color: var(--brand-primary); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.stat-card:hover::after { opacity: 0.08; }

.stat-card.purple::after { background: var(--brand-primary); }
.stat-card.green::after { background: var(--success); }
.stat-card.amber::after { background: var(--warning); }
.stat-card.blue::after { background: var(--info); }
.stat-card.cyan::after { background: var(--brand-cyan); }

.stat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.2rem;
}

.stat-icon.purple { background: rgba(0, 140, 255, 0.1); color: var(--brand-primary); }
.stat-icon.green { background: var(--success-bg); color: var(--success); }
.stat-icon.amber { background: var(--warning-bg); color: var(--warning); }
.stat-icon.blue { background: var(--info-bg); color: var(--info); }
.stat-icon.cyan { background: rgba(20, 226, 208, 0.1); color: var(--brand-cyan); }

.stat-content { flex: 1; }
.stat-label { font-size: 0.75rem; color: var(--text-muted); font-weight: 500; margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.06em; }
.stat-value { font-size: 1.75rem; font-weight: 800; color: var(--text-primary); line-height: 1; letter-spacing: -0.5px; }
.stat-change { font-size: 0.75rem; color: var(--success); margin-top: 4px; font-weight: 500; }

/* ===================== FORMS ===================== */

.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-row { display: grid; gap: 12px; }
.form-row.cols-2 { grid-template-columns: 1fr 1fr; }
.form-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }

.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.form-label .badge-required {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
  font-size: 0.65rem;
  padding: 1px 5px;
  border-radius: 4px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-primary);
  border-radius: var(--border-radius-md);
  padding: 7px 12px;
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.82rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-placeholder);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--brand-primary);
  background: rgba(0, 140, 255, 0.03);
  box-shadow: 0 0 0 3px var(--brand-glow);
}

.form-textarea { resize: vertical; min-height: 100px; line-height: 1.6; }

.form-select {
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236060a0' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
  color-scheme: dark;
}

/* Fix native select dropdown options - white-on-white issue */
.form-select,
.form-select option,
select, select option {
  background-color: #1a1a2e;
  color: #f0f0ff;
}

/* Light theme overrides for selects */
[data-theme="light"] .form-select,
[data-theme="light"] .form-select option,
[data-theme="light"] select,
[data-theme="light"] select option {
  background-color: #f0f0f8;
  color: #1a1a2e;
  color-scheme: light;
}

.form-hint { font-size: 0.75rem; color: var(--text-muted); }

/* Input with icon */
.input-group { position: relative; }
.input-group .form-input { padding-left: 42px; }
.input-icon {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

/* ===================== TABLES ===================== */

.table-wrapper {
  overflow-x: auto;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-card);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.data-table thead th {
  background: rgba(255,255,255,0.03);
  padding: 12px 16px;
  text-align: left;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-primary);
  white-space: nowrap;
}

.data-table thead th:first-child { padding-left: 24px; }
.data-table thead th:last-child { padding-right: 24px; }

.data-table tbody tr {
  border-bottom: 1px solid rgba(255,255,255,0.03);
  transition: background var(--transition-fast);
}

.data-table tbody tr:last-child { border-bottom: none; }
.data-table tbody tr:hover { background: var(--bg-card-hover); }

.data-table tbody td {
  padding: 12px 16px;
  color: var(--text-secondary);
  vertical-align: middle;
}

.data-table tbody td:first-child { padding-left: 24px; color: var(--text-primary); font-weight: 500; }
.data-table tbody td:last-child { padding-right: 24px; }

/* ===================== BADGES & TAGS ===================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: var(--border-radius-full);
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-info { background: rgba(0, 140, 255, 0.1); color: var(--brand-primary); border: 1px solid rgba(0, 140, 255, 0.2); }
.badge-commercial { background: rgba(20, 226, 208, 0.1); color: var(--brand-cyan); border: 1px solid rgba(20, 226, 208, 0.2); }
.badge-transactional { background: var(--success-bg); color: var(--success); border: 1px solid rgba(18, 183, 106, 0.2); }
.badge-navigational { background: var(--warning-bg); color: var(--warning); border: 1px solid rgba(245, 158, 11, 0.2); }
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-muted { background: var(--bg-input); color: var(--text-muted); }

/* Difficulty bars */
.difficulty-bar {
  display: flex;
  align-items: center;
  gap: 8px;
}

.difficulty-track {
  flex: 1;
  height: 5px;
  background: var(--bg-input);
  border-radius: var(--border-radius-full);
  overflow: hidden;
  max-width: 80px;
}

.difficulty-fill {
  height: 100%;
  border-radius: var(--border-radius-full);
  transition: width 0.6s ease;
}

.difficulty-fill.low { background: var(--success); }
.difficulty-fill.medium { background: var(--warning); }
.difficulty-fill.high { background: var(--danger); }

.difficulty-text { font-size: 0.75rem; font-weight: 600; min-width: 28px; }
.difficulty-text.low { color: var(--success); }
.difficulty-text.medium { color: var(--warning); }
.difficulty-text.high { color: var(--danger); }

/* ===================== PROGRESS ===================== */

.progress-bar {
  height: 6px;
  background: var(--bg-input);
  border-radius: var(--border-radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--brand-primary), var(--brand-secondary));
  border-radius: var(--border-radius-full);
  transition: width 0.6s ease;
}

/* ===================== EMPTY STATE ===================== */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  text-align: center;
  color: var(--text-muted);
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  background: var(--bg-card);
  border-radius: var(--border-radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
  border: 1px solid var(--border-card);
}

.empty-state-title { font-size: 1rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; }
.empty-state-desc { font-size: 0.85rem; max-width: 300px; line-height: 1.6; }

/* ===================== TABS ===================== */

.tab-header-buttons {
  display: flex;
  border-bottom: 1px solid var(--border-primary);
  overflow-x: auto;
  white-space: nowrap;
  gap: 4px;
  padding: 4px 8px 0 8px;
}

.tab-header-buttons button {
  position: relative;
  border-radius: 0 !important;
  border: none !important;
  border-bottom: 2px solid transparent !important;
  background: transparent !important;
  color: var(--text-muted) !important;
  padding: 10px 18px !important;
  height: auto !important;
  font-weight: 600;
  font-size: 0.82rem;
  transition: all var(--transition-base);
  cursor: pointer;
}

.tab-header-buttons button:hover {
  color: var(--text-secondary) !important;
}

.tab-header-buttons button.active {
  color: var(--brand-primary) !important;
  border-bottom: 2px solid var(--brand-primary) !important;
  font-weight: 700;
  background: rgba(0, 140, 255, 0.05) !important;
}

.tabs { display: flex; gap: 4px; padding: 4px; background: var(--bg-input); border-radius: var(--border-radius-md); border: 1px solid var(--border-primary); width: fit-content; }

.tab-btn {
  padding: 7px 16px;
  border-radius: var(--border-radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: 'Inter', sans-serif;
}

.tab-btn:hover { color: var(--text-secondary); }
.tab-btn.active { background: var(--bg-secondary); color: var(--text-primary); box-shadow: var(--shadow-sm); }

/* ===================== CHIPS / TAGS ===================== */

.chips-container { display: flex; flex-wrap: wrap; gap: 6px; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border-primary);
  border-radius: var(--border-radius-full);
  font-size: 0.78rem;
  color: var(--text-secondary);
  cursor: default;
}

.chip-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  font-size: 0.9rem;
  line-height: 1;
}

.chip-remove:hover { color: var(--danger); }

/* ===================== DIVIDER ===================== */

.divider {
  height: 1px;
  background: var(--border-primary);
  margin: 20px 0;
}

/* ===================== ALERT BOXES ===================== */

.alert {
  padding: 12px 16px;
  border-radius: var(--border-radius-md);
  font-size: 0.85rem;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.5;
}

.alert-info { background: var(--info-bg); border: 1px solid var(--border); color: var(--text-primary); }
.alert-warning { background: var(--warning-bg); border: 1px solid var(--brand-gold); color: var(--brand-gold-deep); }
.alert-success { background: var(--success-bg); border: 1px solid var(--success); color: var(--success); }
.alert-danger { background: var(--danger-bg); border: 1px solid var(--danger); color: var(--danger); }

/* ===================== LOADING SKELETON ===================== */

.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-hover) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--border-radius-sm);
}

@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

/* ===================== SECTION HEADER ===================== */

.section-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.section-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 3px;
}

.section-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* ===================== GRADIENT TEXT ===================== */

.gradient-text {
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===================== CHECKBOX ===================== */

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.checkbox-row input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--brand-primary);
  cursor: pointer;
}

/* ===================== TOOLTIP (JS-powered via Tooltip util in app.js) ===================== */
/* Trigger elements just need data-tooltip="text" — JS handles the floating div */
[data-tooltip] { cursor: help; }

/* Sort header overrides cursor to pointer regardless of tooltip */
.sort-header,
.sort-header[data-tooltip] { cursor: pointer !important; }

/* ===================== TABLE SORT HEADERS ===================== */

.sort-header {
  cursor: pointer !important;
  user-select: none;
  white-space: nowrap;
  position: relative;
}

.sort-header:hover {
  color: var(--text-primary);
  background: rgba(0, 140, 255, 0.06) !important;
}

.sort-header:hover .sort-icon { opacity: 0.6; }

.sort-icon {
  display: inline-flex;
  flex-direction: column;
  gap: 1px;
  vertical-align: middle;
  margin-left: 5px;
  opacity: 0.25;
  transition: opacity var(--transition-fast);
}

.sort-icon::before,
.sort-icon::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
}

.sort-icon::before {
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-bottom: 4px solid currentColor;
  margin-bottom: 2px;
}

.sort-icon::after {
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
}

/* Active sort states */
.sort-header.asc .sort-icon { opacity: 1; color: var(--brand-primary); }
.sort-header.asc .sort-icon::after { opacity: 0.25; }
.sort-header.asc .sort-icon::before { opacity: 1; }

.sort-header.desc .sort-icon { opacity: 1; color: var(--brand-primary); }
.sort-header.desc .sort-icon::before { opacity: 0.25; }
.sort-header.desc .sort-icon::after { opacity: 1; }

/* Highlight active sorted column */
.sort-header.sort-active {
  color: var(--brand-primary) !important;
  background: rgba(0, 140, 255, 0.08) !important;
}


/* JS Tooltip div (appended to body by Tooltip utility) */
#js-tooltip {
  border-radius: 5px; /* was 8px */
  position: fixed;
  z-index: 99999;
  background: rgba(18,18,36,0.97);
  color: #e8e8ff;
  padding: 7px 11px;
  font-size: 0.73rem;
  font-weight: 400;
  line-height: 1.55;
  max-width: 280px;
  min-width: 100px;
  white-space: pre-line;
  word-break: break-word;
  border: 1px solid rgba(0, 140, 255, 0.3);
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease;
  font-family: 'Inter', sans-serif;
}
#js-tooltip.visible { opacity: 1; }

/* ===================== HELP ICON (? circle) ===================== */
/* Usage: <span class="help-icon" data-tooltip-key="tooltip.my_key">?</span> */
.help-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1.5px solid var(--text-muted);
  font-size: 0.55rem;
  font-weight: 700;
  color: var(--text-muted);
  cursor: help;
  margin-left: 4px;
  vertical-align: middle;
  opacity: 0.5;
  transition: all 0.2s ease;
  flex-shrink: 0;
  user-select: none;
  font-style: normal;
  line-height: 1;
}
.help-icon:hover {
  opacity: 1;
  color: var(--brand-primary);
  border-color: var(--brand-primary);
  background: rgba(0, 140, 255, 0.08);
}
/* Make label flex so help-icon aligns nicely */
.form-label {
  display: flex !important;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}


/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
  .form-row.cols-2,
  .form-row.cols-3 {
    grid-template-columns: 1fr !important;
  }
}

/* ===================== GLOBAL TYPOGRAPHY FOUNDATION CLASSES ===================== */
.app-page-title {
  font-size: var(--font-size-page-title) !important;
  line-height: var(--line-height-page-title) !important;
  font-weight: var(--font-weight-page-title) !important;
  font-family: 'Inter', sans-serif !important;
}

.app-page-subtitle {
  font-size: var(--font-size-meta) !important;
  line-height: var(--line-height-meta) !important;
  color: var(--text-secondary) !important;
  font-family: 'Inter', sans-serif !important;
}

.app-section-title {
  font-size: var(--font-size-section-title) !important;
  line-height: var(--line-height-section-title) !important;
  font-weight: var(--font-weight-section-title) !important;
  font-family: 'Inter', sans-serif !important;
}

.app-card-title {
  font-size: var(--font-size-card-title) !important;
  line-height: var(--line-height-card-title) !important;
  font-weight: var(--font-weight-card-title) !important;
  font-family: 'Inter', sans-serif !important;
}

.app-body-text {
  font-size: var(--font-size-body) !important;
  line-height: var(--line-height-body) !important;
  font-weight: var(--font-weight-body) !important;
  font-family: 'Inter', sans-serif !important;
}

.app-meta-text {
  font-size: var(--font-size-meta) !important;
  line-height: var(--line-height-meta) !important;
  font-family: 'Inter', sans-serif !important;
}

.app-form-label {
  font-size: var(--font-size-form-label) !important;
  font-family: 'Inter', sans-serif !important;
}

.app-table-header {
  font-size: var(--font-size-table-header) !important;
  font-family: 'Inter', sans-serif !important;
}

.app-table-cell {
  font-size: var(--font-size-table-cell) !important;
  line-height: var(--line-height-table-cell) !important;
  font-family: 'Inter', sans-serif !important;
}

.app-badge-text {
  font-size: var(--font-size-badge) !important;
  line-height: var(--line-height-badge) !important;
  font-weight: var(--font-weight-badge) !important;
  font-family: 'Inter', sans-serif !important;
}

.app-metric-value {
  font-size: var(--font-size-metric-value) !important;
  line-height: var(--line-height-metric-value) !important;
  font-family: 'Inter', sans-serif !important;
}