/* ============================================================================
   의정활동지수 v4.0 — Layout Styles
   ============================================================================ */

/* ─── Header ─── */
.app-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-default);
  height: var(--header-height);
}
[data-theme="dark"] .app-header {
  background: rgba(15, 23, 42, 0.85);
  border-color: var(--border-default);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto; padding: 0 var(--space-lg);
  display: flex; align-items: center; justify-content: space-between;
  height: 100%;
}
.header-logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 1.125rem;
  color: var(--text-primary) !important;
  text-decoration: none;
}
.header-logo-icon {
  width: 32px; height: 32px;
  background: var(--bg-hero);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  box-shadow: var(--shadow-sm);
}
.header-nav { display: flex; gap: 2px; align-items: center; }
.header-actions { display: flex; align-items: center; gap: 8px; }

/* Theme Toggle */
.theme-toggle {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-default);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  cursor: pointer; font-size: 1rem;
  transition: all var(--duration-fast);
}
.theme-toggle:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  border: none; background: none;
  color: var(--text-secondary);
  cursor: pointer; font-size: 1.125rem;
  border-radius: var(--radius-md);
  transition: all var(--duration-fast);
}
.mobile-menu-btn:hover { background: var(--bg-tertiary); color: var(--text-primary); }

.mobile-nav {
  display: none;
  position: absolute; top: var(--header-height); left: 0; right: 0;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-default);
  padding: var(--space-sm);
  box-shadow: var(--shadow-lg);
}
.mobile-nav.open {
  display: flex; flex-direction: column; gap: 2px;
  animation: slideDown 0.25s var(--ease-out);
}

@media (max-width: 768px) {
  .header-nav { display: none; }
  .mobile-menu-btn { display: flex; }
  .header-inner { padding: 0 var(--space-md); }
  .support-text { display: none; }
  .support-btn { padding: 6px 8px !important; }
}

/* ─── Footer ─── */
.app-footer {
  border-top: 1px solid var(--border-default);
  padding: var(--space-2xl) var(--space-lg);
  margin-top: var(--space-3xl);
  background: var(--bg-elevated);
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-2xl);
}
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
}

/* ─── Page Container ─── */
.page-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg) var(--space-3xl);
}
@media (max-width: 640px) {
  .page-container { padding: var(--space-lg) var(--space-md) var(--space-2xl); }
}

/* ─── Section ─── */
.section-header {
  margin-bottom: var(--space-xl);
}
.section-title {
  font-size: 1.375rem; font-weight: 800;
  color: var(--text-primary);
  display: flex; align-items: center; gap: 10px;
}
.section-title-icon {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: var(--brand-50);
  color: var(--brand-600);
  border-radius: var(--radius-md);
  font-size: 1rem;
}
[data-theme="dark"] .section-title-icon {
  background: rgba(14, 135, 233, 0.12);
  color: var(--brand-400);
}
.section-desc {
  font-size: 0.9375rem;
  color: var(--text-tertiary);
  margin-top: 4px;
}

/* ─── Hero Section ─── */
.hero-section {
  background: var(--bg-hero);
  color: #fff;
  padding: var(--space-3xl) var(--space-lg);
  margin: 0 0 var(--space-xl);
  position: relative;
  overflow: hidden;
}
.hero-section::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 1;
}
.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative; z-index: 1;
}
.hero-title {
  font-size: 2rem; font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}
@media (min-width: 768px) {
  .hero-title { font-size: 2.5rem; }
}
.hero-subtitle {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 600px;
  line-height: 1.6;
}

/* Hero Stats Grid */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-2xl);
}
@media (max-width: 768px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
}
.hero-stat-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  transition: all var(--duration-normal) var(--ease-out);
  backdrop-filter: blur(8px);
}
.hero-stat-card:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}
.hero-stat-value {
  font-size: 2rem; font-weight: 900;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: #fff;
}
.hero-stat-label {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 6px;
  font-weight: 500;
}

/* ─── Grid Layouts ─── */
.grid-legislators {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-md);
}
.grid-stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-md);
}
.grid-compare {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-md);
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

@media (max-width: 640px) {
  .grid-legislators { grid-template-columns: 1fr; }
  .grid-stats { grid-template-columns: repeat(2, 1fr); }
  .grid-compare { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
}

/* ─── Detail Page Layout ─── */
.detail-grid {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  gap: var(--space-xl);
}
.detail-sidebar {
  position: sticky; top: calc(var(--header-height) + var(--space-lg));
  align-self: start;
}

@media (max-width: 900px) {
  .detail-grid { grid-template-columns: 1fr; }
  .detail-sidebar { position: static; }
}

/* ─── Ranking Table ─── */
.ranking-row {
  display: grid;
  grid-template-columns: 48px 44px 1fr 100px 64px;
  align-items: center; gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: all var(--duration-fast);
  cursor: pointer;
}
.ranking-row:hover {
  background: var(--brand-50);
  border-color: var(--brand-100);
}
[data-theme="dark"] .ranking-row:hover {
  background: rgba(14, 135, 233, 0.04);
  border-color: rgba(14, 135, 233, 0.1);
}
.ranking-row + .ranking-row {
  border-top: 1px solid var(--border-light);
}
.ranking-row:hover + .ranking-row {
  border-top-color: transparent;
}

@media (max-width: 640px) {
  .ranking-row {
    grid-template-columns: 36px 36px 1fr 72px;
    gap: 8px; padding: 12px;
  }
  .ranking-row > *:last-child { display: none; }
}

/* ─── Rank Number Styles ─── */
.rank-number {
  font-weight: 800; font-size: 1rem;
  font-variant-numeric: tabular-nums;
  color: var(--text-muted);
  text-align: center;
}
.rank-1, .rank-2, .rank-3 { font-size: 1.125rem; }
.rank-1 { color: #d97706; }
.rank-2 { color: #6b7280; }
.rank-3 { color: #a16207; }

/* ─── Map Container ─── */
.map-container {
  width: 100%; aspect-ratio: 4/5; max-width: 600px;
  margin: 0 auto; position: relative;
}
.map-region {
  cursor: pointer;
  transition: all var(--duration-fast);
  fill: var(--bg-tertiary); stroke: var(--border-default); stroke-width: 1;
}
.map-region:hover { fill: var(--brand-100); stroke: var(--brand-400); stroke-width: 2; }
.map-region.active { fill: var(--brand-200); stroke: var(--brand-500); stroke-width: 2; }

/* ─── Chart Container ─── */
.chart-container {
  position: relative; width: 100%; max-width: 480px; margin: 0 auto;
}

/* ─── Weight Items Grid ─── */
.weight-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: var(--space-sm);
}
.weight-item {
  display: flex; align-items: center; gap: var(--space-sm);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  transition: all var(--duration-fast);
}
.weight-item:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-xs);
}
.weight-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.weight-label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  font-weight: 500;
}
.weight-value {
  margin-left: auto;
  font-size: 0.8125rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

/* ─── Quick Action Bar (Home) ─── */
.quick-nav {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}
.quick-nav-item {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-full);
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
  font-size: 0.875rem; font-weight: 500;
  cursor: pointer; text-decoration: none;
  transition: all var(--duration-fast);
}
.quick-nav-item:hover {
  border-color: var(--brand-300);
  color: var(--brand-600);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}
.quick-nav-item i {
  font-size: 0.875rem;
  color: var(--brand-500);
}

/* ─── Attendance Detail Grid ─── */
.attendance-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}
@media (min-width: 640px) {
  .attendance-grid { grid-template-columns: repeat(6, 1fr); }
}
.attendance-item {
  text-align: center;
  padding: 10px 8px;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
}
.attendance-item-value {
  font-size: 1rem; font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.attendance-item-label {
  font-size: 0.6875rem;
  color: var(--text-muted);
  margin-top: 2px;
}