/* ---- Navigation ---- */
.main-nav {
  background: transparent;
  border-bottom: 1px solid var(--border-subtle);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: Georgia, 'Times New Roman', serif;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.nav-logo img {
  border-radius: 0;
}

.nav-logo:hover {
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-link {
  color: var(--text-secondary);
  font-size: 0.85rem;
  padding: var(--spacing-xs) 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  border-bottom-color: var(--accent-primary);
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: var(--spacing-xs);
  cursor: pointer;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.theme-toggle:hover {
  color: var(--text-primary);
  border-color: var(--accent-primary);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 20px;
  border: 1px solid transparent;
  font-weight: 500;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  text-decoration: none;
  line-height: 1.4;
}

.btn-primary {
  background: var(--accent-primary);
  color: var(--color-white-porcelain);
  border-color: var(--accent-primary);
}

.btn-primary:hover {
  background: var(--color-walnut);
  border-color: var(--color-walnut);
  color: var(--color-white-porcelain);
}

.btn-outline {
  background: transparent;
  border-color: var(--border-color);
  color: var(--text-secondary);
}

.btn-outline:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.8rem;
}

.btn-lg {
  padding: var(--spacing-sm) var(--spacing-xl);
  font-size: 0.9rem;
}

/* ---- Cards ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
}

/* ---- Forms ---- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group select {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px var(--accent-highlight);
}

/* ---- Homepage: single viewport ---- */
.page-home {
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - 48px);
}

.hero {
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  text-align: center;
  flex-shrink: 0;
}

.hero h1 {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 2.8rem;
  font-weight: 400;
  color: var(--color-walnut);
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.01em;
}

.hero-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  max-width: 440px;
  margin-left: auto;
  margin-right: auto;
}

/* Inline setup form on homepage */
.home-setup {
  max-width: 400px;
  margin: 0 auto;
  display: flex;
  gap: var(--spacing-sm);
}

.home-setup input {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.9rem;
}

.home-setup input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px var(--accent-highlight);
}

.home-setup input::placeholder {
  color: var(--text-muted);
}

/* ---- Plans grid (compact on home page) ---- */
.plans-overview {
  padding: var(--spacing-md) 0 var(--spacing-lg);
  flex: 1;
}

.plans-overview h2 {
  text-align: center;
  margin-bottom: var(--spacing-md);
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
  max-width: 700px;
  margin: 0 auto;
}

.plan-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-fast);
}

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

.plan-card.recommended {
  border-color: var(--accent-primary);
}

.plan-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2px;
}

.plan-card-title {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1rem;
  font-weight: 600;
}

.plan-badge {
  font-size: 0.6rem;
  background: var(--accent-primary);
  color: var(--color-white-porcelain);
  padding: 1px 6px;
  border-radius: 8px;
  font-weight: 500;
}

.plan-card-type {
  color: var(--text-muted);
  font-size: 0.78rem;
  margin-bottom: var(--spacing-xs);
}

.plan-card-details {
  color: var(--text-secondary);
  font-size: 0.75rem;
  line-height: 1.6;
  flex: 1;
}

.plan-card-footer {
  margin-top: var(--spacing-xs);
}

/* ---- Plan detail page ---- */
.page-plan {
  padding: var(--spacing-xl) 0;
}

.back-link {
  display: inline-block;
  margin-bottom: var(--spacing-lg);
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.back-link:hover {
  color: var(--accent-primary);
}

.plan-detail-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  max-width: 700px;
}

.plan-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.plan-meta {
  display: flex;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border-subtle);
}

.plan-meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

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

.meta-value {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-primary);
}

.meta-unit {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.plan-breakdown {
  margin-bottom: var(--spacing-xl);
}

.plan-breakdown h2 {
  margin-bottom: var(--spacing-md);
}

.breakdown-items {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.breakdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
}

.breakdown-icon {
  font-size: 1.5rem;
  width: 40px;
  text-align: center;
}

.breakdown-item p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.plan-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.7;
}

/* ---- Setup card (dashboard) ---- */
.setup-section {
  padding: var(--spacing-2xl) 0;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
}

.setup-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  max-width: 440px;
  width: 100%;
}

.setup-card h1 {
  margin-bottom: var(--spacing-sm);
}

.setup-card > p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-xl);
}

/* ---- Stat cards (compact inline row) ---- */
.stat-cards {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.stat-card {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-label {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.stat-value {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.3rem;
  font-weight: 700;
}

.stat-value.positive {
  color: var(--success);
}

.stat-value.negative {
  color: var(--danger);
}

/* ---- Charts ---- */
.charts-section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.chart-container {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: var(--spacing-md);
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-sm);
}

.chart-header h2 {
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--text-secondary);
}

.chart-toggles {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.chart-toggle {
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.chart-toggle.active {
  background: var(--accent-primary);
  color: var(--color-white-porcelain);
  border-color: var(--accent-primary);
}

.chart-container canvas {
  width: 100% !important;
  height: auto !important;
}

.chart-container {
  min-width: 0;
  overflow: hidden;
}

/* ---- Calendar (compact dots/squares) ---- */
.calendar-section {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 3px;
}

.calendar-day {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font: inherit;
  font-size: 0.65rem;
  padding: 0;
  color: inherit;
  cursor: pointer;
  border: none;
  background: var(--bg-secondary);
  transition: background var(--transition-fast);
  position: relative;
}

.calendar-day:hover {
  outline: 2px solid var(--accent-primary);
  outline-offset: -1px;
}

.calendar-day .day-number {
  font-weight: 600;
  font-size: 0.65rem;
  color: var(--text-muted);
}

.calendar-day .day-games {
  font-size: 0.5rem;
  color: var(--text-muted);
}

.calendar-day.has-games {
  background: var(--color-fiji-sands);
}

.calendar-day.has-games .day-number {
  color: var(--color-walnut);
}

.calendar-day.has-games.positive {
  background: var(--color-dragonfly);
  border: none;
}

.calendar-day.has-games.positive .day-number,
.calendar-day.has-games.positive .day-games {
  color: var(--color-white-porcelain);
}

.calendar-day.has-games.negative {
  background: var(--color-boho-copper);
  border: none;
}

.calendar-day.has-games.negative .day-number,
.calendar-day.has-games.negative .day-games {
  color: var(--color-white-porcelain);
}

.calendar-day.today {
  outline: 2px solid var(--accent-primary);
  outline-offset: -1px;
}

.calendar-day.future {
  opacity: 0.25;
}

.calendar-day.milestone {
  outline: 1px dashed var(--accent-primary);
  outline-offset: -1px;
}

.calendar-detail {
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
}

.calendar-detail h3 {
  margin-bottom: var(--spacing-xs);
  font-size: 0.9rem;
}

.calendar-detail-stats {
  display: flex;
  gap: var(--spacing-md);
  font-size: 0.8rem;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-sm);
}

.calendar-detail-stats span {
  color: var(--text-secondary);
}

.calendar-detail-stats .positive {
  color: var(--success);
}

.calendar-detail-stats .negative {
  color: var(--danger);
}

.calendar-detail .muted {
  color: var(--text-muted);
}

.detail-puzzle {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

.detail-puzzle .positive {
  color: var(--success);
  font-weight: 600;
}

.detail-puzzle .negative {
  color: var(--danger);
  font-weight: 600;
}

.detail-puzzle.muted {
  color: var(--text-muted);
}

/* Game analysis table */
.game-list-wrap {
  overflow-x: auto;
  margin-top: var(--spacing-xs);
}

.game-list-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.72rem;
  white-space: nowrap;
}

.game-list-table th,
.game-list-table td {
  padding: 3px 6px;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

.game-list-table th {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.game-list-table td {
  color: var(--text-secondary);
}

.game-list-table .opening-cell {
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.result-badge {
  font-weight: 600;
}

.result-badge.positive {
  color: var(--success);
}

.result-badge.negative {
  color: var(--danger);
}

.game-list-table .positive {
  color: var(--success);
}

.game-list-table .negative {
  color: var(--danger);
}

/* ---- Progress bar (thin, subtle) ---- */
.progress-section {
  margin-bottom: var(--spacing-md);
}

.progress-bar-container {
  width: 100%;
  height: 4px;
  background: var(--bg-secondary);
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--accent-primary);
  border-radius: 2px;
  transition: width var(--transition-normal);
}

.milestones {
  display: flex;
  justify-content: space-between;
  margin-top: 3px;
  padding: 0 2px;
}

.milestone {
  font-size: 0.6rem;
  color: var(--text-muted);
}

.milestone.reached {
  color: var(--accent-primary);
  font-weight: 600;
}

/* ---- Dashboard header (compact) ---- */
.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm) 0;
}

.dashboard-header h1 {
  font-size: 1.3rem;
  font-weight: 600;
}

.challenge-info {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.header-actions {
  display: flex;
  gap: var(--spacing-sm);
}

/* ---- Loading / Error ---- */
.loading-overlay {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--text-secondary);
}

.spinner {
  width: 28px;
  height: 28px;
  border: 2px solid var(--border-color);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  margin: 0 auto var(--spacing-md);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.error-banner {
  background: var(--danger);
  color: var(--color-white-porcelain);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
  font-size: 0.85rem;
}

.error-banner .btn {
  background: transparent;
  border-color: var(--color-white-porcelain);
  color: var(--color-white-porcelain);
}

/* ---- Share card (for export) ---- */
.share-card-inner {
  background: var(--bg-secondary);
  padding: var(--spacing-xl);
  border-radius: var(--radius);
  width: 500px;
  color: var(--text-primary);
}

.share-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  font-family: Georgia, 'Times New Roman', serif;
  font-weight: 700;
}

.share-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  text-align: center;
}

.share-stat-label {
  display: block;
  font-size: 0.65rem;
  color: var(--text-muted);
}

.share-stats span:not(.share-stat-label) {
  font-weight: 700;
  font-size: 1.1rem;
}

/* ---- Footer ---- */
.main-footer {
  padding: var(--spacing-md) 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.75rem;
  border-top: 1px solid var(--border-subtle);
}

.main-footer a {
  color: var(--text-secondary);
}

/* ---- Insights section ---- */
.insights-section {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.insights-section h2 {
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.insights-nav {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-md);
}

.insights-nav .chart-toggle[aria-selected="true"] {
  background: var(--accent-primary);
  color: var(--color-white-porcelain);
  border-color: var(--accent-primary);
}

.insights-body {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: var(--spacing-md);
}

.insights-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.insights-table th,
.insights-table td {
  padding: 6px 10px;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

.insights-table th {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.insights-table td {
  color: var(--text-secondary);
}

.insights-table .positive {
  color: var(--success);
}

.insights-table .negative {
  color: var(--danger);
}

.highlight-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.highlight-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: var(--spacing-md);
}

.highlight-card h4 {
  font-size: 0.85rem;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.highlight-card p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 2px;
}

.highlight-card a {
  font-size: 0.75rem;
}

.insights-sub-toggles {
  display: flex;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

.insights-sub-toggles .chart-toggle[aria-selected="true"] {
  background: var(--accent-primary);
  color: var(--color-white-porcelain);
  border-color: var(--accent-primary);
}

/* ---- Social share section ---- */
.social-section {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.social-heading {
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.social-buttons {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}