/**
 * Page-specific styles
 * Extends: material-design-3.css, md3-components.css
 */

/* Theme Toggle */
.theme-toggle {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 1000;
  background: var(--md-sys-color-surface-1);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--md-sys-color-on-surface);
  box-shadow: var(--md-sys-elevation-2);
  transition: var(--theme-transition), transform 0.2s;
}

.theme-toggle:hover {
  transform: scale(1.05);
  background: var(--md-sys-color-surface-2);
}

.theme-toggle .icon-light { display: none; }
.theme-toggle .icon-dark { display: block; }

[data-theme="dark"] .theme-toggle .icon-light { display: block; }
[data-theme="dark"] .theme-toggle .icon-dark { display: none; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-light { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .icon-dark { display: none; }
}

/* Layout */
body {
  background: linear-gradient(135deg, var(--md-sys-color-surface) 0%, var(--md-sys-color-surface-1) 100%);
  min-height: 100vh;
  padding: 20px;
}

.container {
  max-width: 700px;
  margin: 0 auto;
}

/* Content Card */
.content-card {
  background: var(--md-sys-color-surface-1);
  border-radius: 16px;
  padding: 32px;
  margin-bottom: 20px;
  box-shadow: var(--md-sys-elevation-2);
}

/* Section */
.section {
  margin-bottom: 32px;
}

.section:last-child {
  margin-bottom: 0;
}

.section-title {
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--md-sys-color-primary);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--md-sys-color-outline-variant);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Profile Header */
.profile-header {
  background: var(--md-sys-color-surface-1);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 20px;
  box-shadow: var(--md-sys-elevation-2);
}

.profile-banner {
  height: 120px;
  background: linear-gradient(135deg, var(--md-sys-color-primary) 0%, var(--md-sys-color-primary-container) 100%);
}

.profile-info {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  padding: 0 24px;
  margin-top: -48px;
}

.profile-avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  border: 4px solid var(--md-sys-color-surface-1);
  background: var(--md-sys-color-surface-2);
}

.profile-text {
  padding-bottom: 8px;
}

.profile-name {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--md-sys-color-on-surface);
  margin: 0;
}

.profile-handle {
  font-size: 0.9rem;
  color: var(--md-sys-color-on-surface-variant);
}

.profile-bio {
  padding: 16px 24px 0;
  font-size: 0.95rem;
  color: var(--md-sys-color-on-surface);
  line-height: 1.5;
}

.profile-stats-bar {
  display: flex;
  gap: 32px;
  padding: 16px 24px 24px;
}

.profile-stat {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--md-sys-color-on-surface);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--md-sys-color-on-surface-variant);
}

/* Puzzle Display */
.puzzle-display {
  text-align: center;
  padding: 16px 0;
}

.puzzle-number {
  font-size: 0.9rem;
  color: var(--md-sys-color-on-surface-variant);
  margin-bottom: 8px;
}

.puzzle-hint {
  font-size: 1.1rem;
  color: var(--md-sys-color-on-surface);
  margin-bottom: 16px;
}

.first-letter {
  font-weight: 700;
  color: var(--md-sys-color-primary);
  font-size: 1.3rem;
}

.puzzle-grid {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-bottom: 20px;
}

.letter-box {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
}

.letter-box.filled {
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
}

.letter-box.empty {
  background: var(--md-sys-color-surface-2);
  color: var(--md-sys-color-on-surface-variant);
  border: 2px solid var(--md-sys-color-outline-variant);
}

.puzzle-cta {
  font-size: 0.9rem;
  color: var(--md-sys-color-on-surface-variant);
  max-width: 400px;
  margin: 0 auto;
}

/* Tabs */
.tab-bar {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
  margin-bottom: 20px;
}

.tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 20px;
  border: none;
  background: none;
  color: var(--md-sys-color-on-surface-variant);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.tab:hover {
  background: var(--md-sys-color-surface-2);
}

.tab.active {
  color: var(--md-sys-color-primary);
  border-bottom-color: var(--md-sys-color-primary);
}

.tab .material-icons {
  font-size: 18px;
}

.tab-content.hidden {
  display: none;
}

/* Rules */
.rules h3 {
  font-size: 1rem;
  font-weight: 500;
  color: var(--md-sys-color-on-surface);
  margin: 16px 0 8px;
}

.rules h3:first-child {
  margin-top: 0;
}

.rules ul, .rules ol {
  padding-left: 20px;
  color: var(--md-sys-color-on-surface-variant);
  font-size: 0.9rem;
  line-height: 1.8;
}

.color-legend {
  list-style: none;
  padding-left: 0;
}

.color-legend li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.square {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  vertical-align: middle;
}

/* Hero (landing page) */
.hero {
  text-align: center;
  padding: 32px 16px 24px;
  margin-bottom: 20px;
}

.hero-logo {
  border-radius: 16px;
  margin-bottom: 12px;
}

.hero h1 {
  margin: 0 0 4px;
  font-size: 2rem;
  font-weight: 700;
}

.hero-tagline {
  margin: 0 0 8px;
  font-size: 1.05rem;
  color: var(--md-sys-color-on-surface-variant);
}

.hero-desc {
  margin: 0 auto 20px;
  max-width: 520px;
  color: var(--md-sys-color-on-surface);
}

.hero-stats {
  display: inline-flex;
  gap: 40px;
  justify-content: center;
}

/* Actor cards (account directory) */
.actor-cards {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
}

.actor-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--md-sys-color-surface-2);
  text-decoration: none;
  color: inherit;
  transition: background 0.2s;
}

.actor-card:hover {
  background: var(--md-sys-color-surface-3, var(--md-sys-color-surface-2));
}

.actor-card img {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  flex-shrink: 0;
}

.actor-card-body {
  flex: 1;
  min-width: 0;
}

.actor-card-name {
  font-weight: 600;
  color: var(--md-sys-color-on-surface);
}

.actor-card-handle {
  font-size: 0.85rem;
  color: var(--md-sys-color-on-surface-variant);
  word-break: break-all;
}

.actor-card-role {
  font-size: 0.8rem;
  color: var(--md-sys-color-on-surface-variant);
  margin-top: 2px;
}

.actor-card-stats {
  display: flex;
  gap: 4px;
  margin-top: 4px;
  font-size: 0.75rem;
  color: var(--md-sys-color-on-surface-variant);
}

.actor-card-chevron {
  color: var(--md-sys-color-on-surface-variant);
  flex-shrink: 0;
}

/* Actor List (followers) */
.actor-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.actor-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px;
  border-radius: 8px;
  transition: background 0.2s;
}

.actor-item:hover {
  background: var(--md-sys-color-surface-2);
}

.actor-item img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--md-sys-color-surface-2);
}

.actor-item-text {
  display: flex;
  flex-direction: column;
}

.actor-item-name {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--md-sys-color-on-surface);
}

.actor-item-handle {
  font-size: 0.8rem;
  color: var(--md-sys-color-on-surface-variant);
}

/* Timeline */
.timeline-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 32px 40px 1fr;
  gap: 12px;
  padding: 12px;
  border-radius: 8px;
  background: var(--md-sys-color-surface-1);
  align-items: start;
}

.timeline-icon {
  font-size: 24px;
  text-align: center;
  padding-top: 8px;
}

.timeline-icon[data-type="like"] { color: #e0245e; }
.timeline-icon[data-type="announce"] { color: #17bf63; }
.timeline-icon[data-type="quote"] { color: var(--md-sys-color-primary); }

.timeline-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--md-sys-color-surface-2);
}

.timeline-body {
  min-width: 0;
}

.timeline-line {
  font-size: 0.95rem;
  color: var(--md-sys-color-on-surface);
  word-break: break-word;
}

.timeline-line .muted {
  color: var(--md-sys-color-on-surface-variant);
  font-weight: normal;
}

.timeline-quote {
  margin: 8px 0 0;
  padding: 8px 12px;
  border-left: 3px solid var(--md-sys-color-primary);
  background: var(--md-sys-color-surface-2);
  border-radius: 0 8px 8px 0;
  font-size: 0.9rem;
  font-style: italic;
  color: var(--md-sys-color-on-surface-variant);
}

.timeline-date {
  margin-top: 4px;
  font-size: 0.8rem;
  color: var(--md-sys-color-on-surface-variant);
}

/* Header Card (about page, etc.) */
.header-card {
  background: var(--md-sys-color-surface-1);
  border-radius: 16px;
  padding: 40px;
  margin-bottom: 20px;
  box-shadow: var(--md-sys-elevation-2);
  text-align: center;
  position: relative;
}

.back-link {
  position: absolute;
  top: 20px;
  left: 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--md-sys-color-primary);
  text-decoration: none;
  font-size: 14px;
}

.page-title {
  font-size: 2rem;
  font-weight: 500;
  color: var(--md-sys-color-primary);
  margin-bottom: 8px;
}

.page-subtitle {
  font-size: 1rem;
  color: var(--md-sys-color-on-surface-variant);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 32px;
  color: var(--md-sys-color-on-surface-variant);
}

.empty-state .material-icons {
  font-size: 48px;
  color: var(--md-sys-color-outline);
  margin-bottom: 8px;
}

/* Data Table (leaderboard, history) */
.table-responsive {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.data-table th {
  text-align: left;
  font-weight: 500;
  font-size: 0.8rem;
  color: var(--md-sys-color-on-surface-variant);
  padding: 10px 12px;
  border-bottom: 2px solid var(--md-sys-color-outline-variant);
  white-space: nowrap;
}

.data-table td {
  padding: 10px 12px;
  color: var(--md-sys-color-on-surface);
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table .rank {
  font-weight: 600;
  color: var(--md-sys-color-primary);
}

.data-table .instance {
  font-weight: 500;
}

.data-table .word-reveal {
  font-weight: 700;
  letter-spacing: 0.1em;
  font-family: monospace;
}

.detail-link {
  color: var(--md-sys-color-primary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
}

.detail-link:hover {
  text-decoration: underline;
}

.pagination {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 20px;
}

/* Game Detail Stats Grid */
.game-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px 12px;
  border-radius: 12px;
  background: var(--md-sys-color-surface-2);
}

.stat-card .stat-label {
  font-size: 0.75rem;
  color: var(--md-sys-color-on-surface-variant);
  margin-bottom: 4px;
}

.stat-card .stat-value {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--md-sys-color-on-surface);
}

.stat-card .stat-value.word-reveal {
  font-family: monospace;
  letter-spacing: 0.15em;
}

/* Attempt Distribution Chart */
.distribution-chart {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 8px 0;
}

.distribution-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.distribution-label {
  width: 20px;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--md-sys-color-on-surface);
}

.distribution-bar-wrapper {
  flex: 1;
  height: 24px;
  background: var(--md-sys-color-surface-2);
  border-radius: 4px;
  overflow: hidden;
}

.distribution-bar {
  height: 100%;
  min-width: 4px;
  background: var(--md-sys-color-primary);
  border-radius: 4px;
  transition: width 0.3s ease;
}

.distribution-count {
  width: 30px;
  text-align: right;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--md-sys-color-on-surface-variant);
}

/* Result Badges (player page) */
.badge-solved {
  color: #2E7D32;
  font-weight: 500;
  font-size: 0.85rem;
}

.badge-failed {
  color: #C62828;
  font-weight: 500;
  font-size: 0.85rem;
}

.badge-expired {
  color: var(--md-sys-color-on-surface-variant);
  font-weight: 500;
  font-size: 0.85rem;
}

/* API Docs */
.api-endpoint {
  padding: 20px 0;
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

.api-endpoint:last-child {
  border-bottom: none;
}

.api-method {
  display: inline-block;
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-right: 8px;
}

.api-path {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--md-sys-color-on-surface);
}

.api-endpoint p {
  margin: 8px 0;
  font-size: 0.9rem;
  color: var(--md-sys-color-on-surface-variant);
}

.api-params ul {
  padding-left: 20px;
  font-size: 0.85rem;
  color: var(--md-sys-color-on-surface-variant);
}

.api-example pre {
  background: var(--md-sys-color-surface-2);
  border-radius: 8px;
  padding: 12px 16px;
  overflow-x: auto;
  font-size: 0.8rem;
  margin: 8px 0;
}

/* Responsive */
@media (max-width: 600px) {
  body { padding: 12px; }

  .content-card { padding: 20px; }

  .profile-info { padding: 0 16px; }
  .profile-bio { padding: 12px 16px 0; }
  .profile-stats-bar { padding: 12px 16px 20px; }

  .letter-box { width: 32px; height: 32px; font-size: 1rem; }

  .header-card { padding: 24px; padding-top: 60px; }

  .data-table th, .data-table td { padding: 8px 6px; font-size: 0.8rem; }

  .game-stats-grid { grid-template-columns: repeat(2, 1fr); }
}