/* CSS Variables - GitHub Dark Theme */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap");

:root {
  /* Colors - GitHub Dark Palette */
  --color-primary: #58a6ff;
  --color-secondary: #21262d;
  --color-accent: #238636;
  --color-danger: #f85149;
  --color-bg-dark: #0d1117;
  --color-bg-surface: #161b22;
  --color-bg-elevated: #21262d;
  --color-text: #f0f6fc;
  --color-text-muted: #8b949e;
  --color-border: #30363d;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2.5rem;
  --spacing-2xl: 4rem;

  /* Border */
  --border-width: 1px;
  --radius-soft: 8px;

  /* Shadows */
  --shadow-sm: 0 1px 0 rgba(27, 31, 36, 0.04);
  --shadow-md: 0 3px 6px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.25);

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica,
    Arial, sans-serif;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg-dark);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Main content - account for fixed navbar */
main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
  padding-top: 100px;
  position: relative;
  z-index: 1;
}

/* Hero section */
.hero {
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.hero h1 {
  font-family: "Inter", sans-serif;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.hero p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

/* Features section */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  padding: var(--spacing-2xl) 0;
}

.feature-card {
  background: var(--color-bg-surface);
  border: var(--border-width) solid rgba(212, 175, 55, 0.2);
  border-radius: var(--radius-soft);
  padding: var(--spacing-2xl);
  color: var(--color-text);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--color-primary),
    var(--color-secondary),
    var(--color-accent)
  );
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s;
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-harsh);
  cursor: pointer;
}

a.feature-card {
  display: block;
  text-decoration: none;
  color: inherit;
}

.feature-card h3 {
  font-family: "Inter", sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.feature-card p {
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* Content section (for about page) */
.content {
  background: var(--color-bg-surface);
  border: var(--border-width) solid rgba(212, 175, 55, 0.2);
  border-radius: var(--radius-soft);
  padding: var(--spacing-2xl);
  color: var(--color-text);
  position: relative;
}

.content h1 {
  font-family: "Inter", sans-serif;
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xl);
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.content h2 {
  font-family: "Inter", sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  margin: var(--spacing-2xl) 0 var(--spacing-lg);
  color: var(--color-text);
  position: relative;
  padding-left: var(--spacing-lg);
  border-left: 3px solid var(--color-primary);
}

.content p {
  margin-bottom: var(--spacing-lg);
  color: var(--color-text);
  line-height: 1.6;
}

.content ul {
  margin-left: var(--spacing-2xl);
  margin-bottom: var(--spacing-lg);
}

.content li {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.content a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 700;
  transition: all var(--transition-fast);
  position: relative;
}

.content a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-fast);
}

.content a:hover {
  color: var(--color-secondary);
}

.content a:hover::after {
  width: 100%;
  background: var(--color-secondary);
}

/* Leaderboard section */
.leaderboard {
  margin: var(--spacing-2xl) 0;
}

.leaderboard-header {
  margin-bottom: var(--spacing-xl);
}

.leaderboard-header h2 {
  font-family: "Inter", sans-serif;
  color: var(--color-text);
  font-size: 1.5rem;
  font-weight: 600;
  text-align: center;
}

.leaderboard-content {
  background: var(--color-bg-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-soft);
  overflow-x: auto;
  overflow-y: hidden;
}

#leaderboard-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

#leaderboard-table thead {
  background: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-border);
}

#leaderboard-table th {
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: left;
  color: var(--color-text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

#leaderboard-table td {
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  font-weight: 500;
}

#leaderboard-table tbody tr {
  transition: all var(--transition-fast);
  background: transparent;
}

#leaderboard-table tbody tr:hover {
  background: var(--color-bg-elevated);
}

#leaderboard-table tbody tr:nth-child(1) td:first-child {
  color: #ffd33d;
  font-weight: 700;
}

#leaderboard-table tbody tr:nth-child(2) td:first-child {
  color: #c9d1d9;
  font-weight: 700;
}

#leaderboard-table tbody tr:nth-child(3) td:first-child {
  color: #da8b45;
  font-weight: 700;
}

.player-link {
  color: var(--color-primary);
  text-decoration: none;
  transition: all var(--transition-fast);
  font-weight: 500;
}

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

.rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: 50%;
  font-family: "Inter", sans-serif;
}

.rank-1 {
  background: rgba(255, 211, 61, 0.2);
  color: #ffd33d;
}
.rank-2 {
  background: rgba(201, 209, 217, 0.2);
  color: #c9d1d9;
}
.rank-3 {
  background: rgba(218, 139, 69, 0.2);
  color: #da8b45;
}

/* Player profile page */
.player-profile {
  background: var(--color-bg-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-soft);
  padding: var(--spacing-xl);
  margin: var(--spacing-lg) 0;
  overflow-x: auto;
}

.player-profile::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(
    180deg,
    var(--color-primary),
    var(--color-secondary)
  );
}

.player-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: var(--border-width) solid var(--color-border);
  position: relative;
}

.player-header::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 200px;
  height: 2px;
  background: var(--color-primary);
}

.player-name {
  font-family: "Inter", sans-serif;
  font-size: clamp(1.25rem, 3vw, 2rem);
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.player-elo {
  font-family: "Inter", sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
}

.player-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.stat-card {
  background: var(--color-bg-elevated);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-soft);
  padding: var(--spacing-lg);
  text-align: center;
  transition: all var(--transition-normal);
}

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

.stat-value {
  font-family: "Inter", sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text);
  display: block;
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.match-history h3 {
  font-family: "Inter", sans-serif;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  font-size: 1.125rem;
  font-weight: 600;
}

.match-history-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-soft);
  overflow: hidden;
}

.match-history-table th,
.match-history-table td {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

.match-history-table th {
  background: var(--color-bg-elevated);
  color: var(--color-text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}

.match-history-table tbody tr {
  transition: all var(--transition-fast);
  background: var(--color-bg-dark);
}

.match-history-table tbody tr:hover {
  background: var(--color-bg-elevated);
  transform: translateX(4px);
}

.match-win {
  color: #3fb950;
  font-weight: 600;
}
.match-loss {
  color: #f85149;
  font-weight: 600;
}

.opponent-link {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.opponent-link:hover {
  color: var(--color-text);
  text-decoration: underline;
}

.match-id {
  color: #a0a0a0;
  font-size: 0.85rem;
  font-family: monospace;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-primary);
  text-decoration: none;
  margin-bottom: var(--spacing-md);
  font-weight: 500;
  font-size: 0.875rem;
}

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

.player-rank {
  font-family: "Inter", sans-serif;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-top: var(--spacing-xs);
}

.player-profile h3 {
  font-family: "Inter", sans-serif;
  color: var(--color-text);
  margin: 0 0 var(--spacing-sm);
  font-size: 1.125rem;
  font-weight: 600;
}

.player-profile h3.collapsible-header {
  margin: 0;
}

/* Avatar Performance Section */
.avatar-section {
  margin: var(--spacing-md) 0;
}

.avatar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--spacing-lg);
}

.avatar-card {
  background: var(--color-bg-dark);
  border: var(--border-width) solid rgba(212, 175, 55, 0.15);
  border-radius: var(--radius-soft);
  padding: var(--spacing-lg);
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.avatar-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  transition: left 0.4s;
}

.avatar-card:hover::before {
  left: 100%;
}

.avatar-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-harsh);
}

.avatar-name {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
  letter-spacing: 0.01em;
}

.avatar-record {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-xs);
  font-weight: 700;
}

.avatar-winrate {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* Avatar Matchup Records Section */
.avatar-matchup-section {
  margin: var(--spacing-md) 0;
}

.avatar-matchup-table-container {
  background: var(--color-bg-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-soft);
  overflow: hidden;
}

.avatar-matchup-table {
  width: 100%;
  border-collapse: collapse;
}

.avatar-matchup-table th,
.avatar-matchup-table td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: var(--border-width) solid var(--color-border);
}

.avatar-matchup-table th {
  background: var(--color-bg-elevated);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.avatar-matchup-table tbody tr {
  transition: background-color var(--transition-fast);
}

.avatar-matchup-table tbody tr:hover {
  background: var(--color-bg-elevated);
}

.avatar-matchup-table tbody tr:last-child td {
  border-bottom: none;
}

.avatar-matchup-table .positive-rate {
  color: var(--color-accent);
  font-weight: 600;
}

.avatar-matchup-table .negative-rate {
  color: var(--color-danger);
  font-weight: 600;
}

.avatar-matchup-table .avatar-name {
  font-weight: 600;
  color: var(--color-primary);
}

/* Replay link */
.replay-link {
  color: var(--color-primary);
  text-decoration: none;
  transition: all var(--transition-fast);
  font-weight: 600;
  position: relative;
}

.replay-link::after {
  content: "->";
  margin-left: 4px;
  transition: margin-left var(--transition-fast);
}

.replay-link:hover {
  color: var(--color-secondary);
}

.replay-link:hover::after {
  margin-left: 8px;
}

/* Avatar Stats Page */
.avatar-stats-section {
  margin: var(--spacing-xl) 0;
}

.avatar-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-xl);
}

.avatar-stats-card {
  background: var(--color-bg-surface);
  border: var(--border-width) solid rgba(212, 175, 55, 0.2);
  border-radius: var(--radius-soft);
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
  cursor: pointer;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  color: inherit;
  overflow: hidden;
  min-height: 200px;
}

/* Background image overlay effect */
.avatar-stats-card::before {
  content: "";
  position: absolute;
  top: 15%;
  left: 0;
  right: 0;
  bottom: 15%;
  background: inherit;
  opacity: 1;
  z-index: 0;
  pointer-events: none;
}

/* Ensure content is above background */
.avatar-stats-card > * {
  position: relative;
  z-index: 1;
}

.avatar-stats-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-harsh);
}

/* Card background image overlay */
.card-bg-image {
  position: absolute;
  top: 15%;
  left: 0;
  right: 0;
  bottom: 15%;
  background-size: cover;
  background-position: center 30%;
  background-repeat: no-repeat;
  opacity: 1;
  z-index: 0;
  pointer-events: none;
}

/* Top black bar with avatar name */
.avatar-stats-name {
  background: rgba(0, 0, 0, 0.85);
  height: 15%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.01em;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
  padding: 0 var(--spacing-sm);
  position: relative;
  z-index: 2;
  margin: 0;
}

/* Middle section - image area */
.avatar-stats-middle {
  flex: 1;
  position: relative;
  z-index: 1;
}

/* Bottom black bar */
.avatar-stats-bottom {
  background: rgba(0, 0, 0, 0.85);
  height: 15%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-md);
  position: relative;
  z-index: 2;
}

.avatar-stats-winrate {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
  margin: 0;
}

.avatar-stats-winrate.rate-high {
  color: var(--color-primary);
}

.avatar-stats-winrate.rate-neutral {
  color: var(--color-accent);
}

.avatar-stats-winrate.rate-low {
  color: var(--color-secondary);
}

.avatar-stats-record {
  font-size: 0.9rem;
  font-weight: 600;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
  white-space: nowrap;
  margin: 0;
}

.avatar-stats-total {
  display: none;
}

.avatar-stats-rank {
  position: absolute;
  top: var(--spacing-xs);
  left: var(--spacing-xs);
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 600;
  font-style: italic;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
  z-index: 3;
}

.no-data {
  color: var(--color-text-muted);
  text-align: center;
  padding: var(--spacing-2xl);
  font-size: 1.1rem;
  font-weight: 600;
}

/* Card Filters */
.card-filters-section {
  max-width: 1400px;
  margin: 0 auto var(--spacing-xl);
  padding: 0 var(--spacing-md);
}

.card-filters-container {
  background: var(--color-bg-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-soft);
  padding: var(--spacing-lg);
}

.card-filters-row {
  display: flex;
  gap: var(--spacing-lg);
  align-items: flex-end;
}

.card-filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.card-filter-group label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card-filter-group select,
.card-filter-group input {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg-elevated);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-soft);
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 500;
  font-family: inherit;
  transition: all var(--transition-fast);
  min-width: 160px;
}

.card-filter-group select:hover,
.card-filter-group input:hover {
  border-color: var(--color-primary);
}

.card-filter-group select:focus,
.card-filter-group input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.2);
}

.card-filter-group input::placeholder {
  color: var(--color-text-muted);
  font-weight: 400;
}

.card-filter-search {
  flex: 1;
}

.card-filter-search input {
  width: 100%;
}

.card-filter-count {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: var(--border-width) solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.card-filter-count span {
  color: var(--color-primary);
  font-weight: 600;
}

@media (max-width: 640px) {
  .card-filters-row {
    flex-direction: column;
    align-items: stretch;
  }

  .card-filter-group select {
    width: 100%;
  }
}

.match-id {
  font-family: "Lora", serif;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding: 2px 6px;
  background: var(--color-bg-dark);
  border: 1px solid rgba(212, 175, 55, 0.15);
  border-radius: var(--radius-soft);
  font-style: italic;
}

/* Recent Decks Section */
.recent-decks-section {
  margin: var(--spacing-md) 0;
}

.recent-decks-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.recent-deck-item {
  background: var(--color-bg-surface);
  border: var(--border-width) solid rgba(212, 175, 55, 0.2);
  border-radius: var(--radius-soft);
  padding: var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.recent-deck-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-primary),
    transparent
  );
  transition: left 0.5s;
}

.recent-deck-item:hover::before {
  left: 100%;
}

.recent-deck-item:hover {
  border-color: var(--color-primary);
  transform: translateX(4px);
  box-shadow: var(--shadow-subtle);
}

.deck-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  flex: 1;
}

.deck-avatar {
  font-size: 0.9rem;
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0.01em;
}

.deck-name {
  font-size: 1rem;
  color: var(--color-text);
  font-weight: 500;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
}

.deck-date {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-style: italic;
}

.deck-link-button {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-primary);
  color: var(--color-bg);
  text-decoration: none;
  border-radius: var(--radius-soft);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.deck-link-button:hover {
  background: var(--color-secondary);
  transform: translateX(4px);
  box-shadow: var(--shadow-subtle);
}

.deck-link {
  color: var(--color-primary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.deck-link:hover {
  color: var(--color-secondary);
  text-decoration: underline;
}

/* ELO History Chart */
.elo-chart-section {
  margin: var(--spacing-md) 0;
}

.elo-chart-wrapper {
  background: var(--color-bg-elevated);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-soft);
  padding: var(--spacing-lg);
}

.elo-chart-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.elo-chart-controls label {
  white-space: nowrap;
}

.elo-chart-controls #elo-range-value {
  color: var(--color-primary);
  font-weight: 600;
  min-width: 2ch;
  display: inline-block;
}

.elo-chart-controls input[type="range"] {
  flex: 1;
  max-width: 200px;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--color-border);
  border-radius: 3px;
  cursor: pointer;
}

.elo-chart-controls input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  background: var(--color-primary);
  border-radius: 50%;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.elo-chart-controls input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.elo-chart-controls input[type="range"]::-moz-range-thumb {
  width: 16px;
  height: 16px;
  background: var(--color-primary);
  border: none;
  border-radius: 50%;
  cursor: pointer;
}

.elo-chart-container {
  position: relative;
  height: 300px;
}

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

/* Footer */
footer {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--color-text-muted);
  margin-top: auto;
  border-top: var(--border-width) solid var(--color-border);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  font-weight: 400;
  font-style: italic;
}

/* Collapsible Sections */
.collapsible-header {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  user-select: none;
  transition: color var(--transition-fast);
  margin-bottom: var(--spacing-sm);
}

.collapsible-header.collapsed {
  margin-bottom: 0;
}

.collapsible-header:hover {
  color: var(--color-primary);
}

.collapsible-header .chevron {
  display: inline-block;
  transition: transform var(--transition-fast);
  font-size: 0.8em;
}

.collapsible-header.collapsed .chevron {
  transform: rotate(-90deg);
}

.collapsible-content {
  transition: opacity var(--transition-fast), max-height var(--transition-fast);
  opacity: 1;
  overflow: hidden;
}

.collapsible-content.collapsed {
  max-height: 0;
  opacity: 0;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  .player-stats {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  }

  .avatar-grid {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  }

  main {
    padding: 1rem;
    padding-top: 80px;
  }
}