/* === Reset & Base === */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a28;
  --bg-hover: #222233;
  --text-primary: #e0e0e8;
  --text-secondary: #8888a0;
  --text-muted: #55556a;
  --border: #1e1e2e;
  --accent: #00e5ff;
  --accent-dim: #00e5ff20;

  --tier-sp: #ff2d55;
  --tier-s: #ff8c00;
  --tier-a: #a855f7;
  --tier-b: #3b82f6;
  --tier-c: #555568;

  --win-positive: #00e676;
  --win-negative: #ff5252;
}

html {
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, 'Noto Sans JP', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px;
}

/* === Header === */
.site-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo {
  font-family: 'Orbitron', monospace;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #fff;
  text-decoration: none;
}

.logo span {
  color: var(--accent);
}

.header-divider {
  width: 1px;
  height: 20px;
  background: var(--border);
}

.page-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  flex: 1;
}

.locale-select {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 5px 10px;
  font-size: 0.8rem;
  font-family: inherit;
  cursor: pointer;
  outline: none;
  transition: border-color 0.15s;
  -webkit-appearance: auto;
}

.locale-select:hover,
.locale-select:focus {
  border-color: var(--accent);
}

/* === Filters === */
.filters {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.filter-label {
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.tabs {
  display: flex;
  gap: 4px;
}

.tab {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 500;
  transition: all 0.15s;
  font-family: inherit;
}

.tab:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: #2a2a3e;
}

.tab.active {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  font-weight: 600;
}

/* === Loading === */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 60px 0;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.loading[hidden] {
  display: none;
}

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* === Error === */
.error-msg {
  background: #1a0a10;
  border: 1px solid #ff525230;
  color: var(--win-negative);
  border-radius: 4px;
  padding: 16px 20px;
  margin-top: 16px;
  text-align: center;
}

.error-msg[hidden] {
  display: none;
}

/* === Tier List === */
.tier-list {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tier-row {
  display: flex;
  gap: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  min-height: 56px;
  position: relative;
}

.tier-label {
  width: 52px;
  min-width: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  color: #fff;
  letter-spacing: -0.02em;
  border-radius: 4px 0 0 4px;
}

.tier-label[data-tier="S+"] { background: var(--tier-sp); }
.tier-label[data-tier="S"]  { background: var(--tier-s); }
.tier-label[data-tier="A"]  { background: var(--tier-a); }
.tier-label[data-tier="B"]  { background: var(--tier-b); }
.tier-label[data-tier="C"]  { background: var(--tier-c); }

.tier-champions {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 6px 10px;
  align-items: center;
  overflow: visible;
}

.champ-card {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-tertiary);
  border: 1px solid transparent;
  border-radius: 4px;
  padding: 3px 10px 3px 3px;
  transition: all 0.15s;
  cursor: default;
  position: relative;
}

.champ-card:hover {
  background: var(--bg-hover);
  border-color: var(--accent-dim);
}

.champ-avatar {
  width: 30px;
  height: 30px;
  border-radius: 3px;
  object-fit: cover;
  background: var(--bg-primary);
}

.champ-info {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.champ-name {
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
}

.champ-wr {
  font-size: 0.68rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.champ-wr.positive { color: var(--win-positive); }
.champ-wr.negative { color: var(--win-negative); }

/* Tooltip */
.champ-card .tooltip {
  display: none;
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 8px 12px;
  font-size: 0.75rem;
  white-space: nowrap;
  z-index: 100;
  color: var(--text-primary);
  box-shadow: 0 4px 20px rgba(0,0,0,0.7);
  pointer-events: none;
}

.champ-card:hover .tooltip,
.champ-card.show-tooltip .tooltip {
  display: block;
}

.tooltip-name {
  display: none;
}

.tooltip-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.tooltip-label {
  color: var(--text-secondary);
}

/* === Updated Date === */
.updated-date {
  text-align: right;
  color: var(--text-muted);
  font-size: 0.7rem;
  margin-top: 6px;
  letter-spacing: 0.02em;
}

/* === Dominance === */
.dominance-section {
  margin-top: 20px;
}

.dominance-section[hidden] {
  display: none;
}

.dominance-bar {
  display: flex;
  height: 28px;
  border-radius: 4px;
  overflow: hidden;
  margin-top: 10px;
}

.dom-seg {
  min-width: 2px;
  transition: opacity 0.15s;
}

.dom-seg:hover {
  opacity: 0.8;
}

.dom-others {
  background: var(--bg-tertiary);
}

.dominance-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 10px;
}

.dom-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
}

.dom-avatar {
  width: 22px;
  height: 22px;
  border-radius: 3px;
  background: var(--bg-primary);
}

.dom-color {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  flex-shrink: 0;
}

.dom-others-color {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
}

.dom-name {
  color: var(--text-primary);
  font-weight: 500;
}

.dom-val {
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

@media (max-width: 768px) {
  .dominance-bar { height: 22px; }
  .dominance-legend { gap: 8px; }
  .dom-item { font-size: 0.75rem; }
  .dom-avatar { width: 18px; height: 18px; }
}

/* === Detail Table === */
.detail-section {
  margin-top: 24px;
}

.detail-section[hidden] {
  display: none;
}

.section-title {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 4px;
}

.detail-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.detail-table thead {
  background: var(--bg-tertiary);
}

.detail-table th {
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  user-select: none;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.detail-table th.sortable {
  cursor: pointer;
}

.detail-table th.sortable:hover {
  color: var(--accent);
}

.detail-table th.sort-asc::after  { content: ' \25B2'; font-size: 0.6rem; }
.detail-table th.sort-desc::after { content: ' \25BC'; font-size: 0.6rem; }

.detail-table td {
  padding: 7px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  font-variant-numeric: tabular-nums;
}

.detail-table tbody tr {
  background: var(--bg-secondary);
  transition: background 0.1s;
}

.detail-table tbody tr:hover {
  background: var(--bg-hover);
}

.col-rank { width: 40px; text-align: center; }
.col-num  { text-align: left; }
.col-tier { text-align: center; width: 56px; }

.champ-cell {
  display: flex;
  align-items: center;
  gap: 8px;
}

.champ-cell img {
  width: 26px;
  height: 26px;
  border-radius: 3px;
  background: var(--bg-primary);
}

.tier-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 3px;
  font-weight: 700;
  font-size: 0.72rem;
  color: #fff;
}

.tier-badge[data-tier="S+"] { background: var(--tier-sp); }
.tier-badge[data-tier="S"]  { background: var(--tier-s); }
.tier-badge[data-tier="A"]  { background: var(--tier-a); }
.tier-badge[data-tier="B"]  { background: var(--tier-b); }
.tier-badge[data-tier="C"]  { background: var(--tier-c); }
.tier-badge[data-tier="D"]  { background: #444455; }
.tier-badge[data-tier="E"]  { background: #333340; }
.tier-badge[data-tier="?"]  { background: #2a2a35; }

/* Tencent tier badge: 枠線スタイルで区別 */
.tier-badge.tt {
  background: transparent;
  border: 1px solid;
}
.tier-badge.tt[data-tier="S"] { border-color: var(--tier-s); color: var(--tier-s); }
.tier-badge.tt[data-tier="A"] { border-color: var(--tier-a); color: var(--tier-a); }
.tier-badge.tt[data-tier="B"] { border-color: var(--tier-b); color: var(--tier-b); }
.tier-badge.tt[data-tier="C"] { border-color: var(--tier-c); color: var(--tier-c); }
.tier-badge.tt[data-tier="D"] { border-color: #555568; color: #555568; }
.tier-badge.tt[data-tier="E"] { border-color: #444455; color: #444455; }
.tier-badge.tt[data-tier="?"] { border-color: #333340; color: #333340; }

.trend {
  font-size: 0.65rem;
  margin-left: 3px;
}

.trend.up   { color: var(--win-positive); }
.trend.down { color: var(--win-negative); }
.trend.flat { color: var(--text-muted); }

/* === Footer === */
.site-footer {
  margin-top: 40px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

/* === Responsive === */
@media (max-width: 768px) {
  html { font-size: 13px; }

  .container { padding: 0 10px; }

  /* Header: コンパクト化 */
  .site-header { padding: 10px 0; }
  .header-inner { gap: 10px; }
  .logo { font-size: 1rem; }
  .header-divider { display: none; }
  .page-title { font-size: 0.75rem; }
  .locale-select { padding: 4px 6px; font-size: 0.75rem; }

  /* Filters: 縦積み、タッチしやすく */
  .filters {
    flex-direction: column;
    gap: 10px;
    margin-top: 12px;
    padding-bottom: 12px;
  }

  .filter-group {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .tabs { flex-wrap: wrap; gap: 5px; }

  .tab {
    padding: 8px 12px;
    font-size: 0.78rem;
    min-height: 36px;
  }

  /* Tier list: アバター中心のコンパクト表示 */
  .tier-list { margin-top: 14px; gap: 4px; }

  .tier-row { min-height: 48px; }

  .tier-label {
    width: 36px;
    min-width: 36px;
    font-size: 0.82rem;
  }

  .tier-champions { gap: 3px; padding: 4px 6px; }

  .champ-card {
    padding: 2px;
    gap: 0;
    border-radius: 3px;
  }

  /* モバイルでは名前を非表示、アバターのみ */
  .champ-info { display: none; }

  .champ-avatar {
    width: 34px;
    height: 34px;
    border-radius: 3px;
  }

  /* Tooltip: タップ用に位置調整 */
  .champ-card .tooltip {
    left: 0;
    transform: none;
    font-size: 0.72rem;
    min-width: 160px;
  }

  /* チャンプ名をツールチップに追加表示 */
  .tooltip .tooltip-name {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
    font-size: 0.8rem;
  }

  /* Updated date */
  .updated-date { font-size: 0.65rem; margin-top: 4px; }

  /* Detail table */
  .detail-section { margin-top: 16px; }
  .section-title { font-size: 0.78rem; }

  .detail-table { font-size: 0.75rem; }
  .detail-table th { padding: 8px 8px; font-size: 0.68rem; }
  .detail-table td { padding: 6px 8px; }

  .champ-cell img { width: 22px; height: 22px; }
  .champ-cell { gap: 6px; }

  .col-rank { width: 30px; }
  .tier-badge { font-size: 0.68rem; padding: 1px 6px; }
  .trend { font-size: 0.6rem; }

  /* Footer */
  .site-footer { margin-top: 24px; padding: 14px 0; }
}

/* 極小画面 (iPhone SE 等) */
@media (max-width: 380px) {
  .champ-avatar { width: 28px; height: 28px; }
  .tab { padding: 6px 8px; font-size: 0.72rem; min-height: 32px; }
  .tier-label { width: 30px; min-width: 30px; font-size: 0.75rem; }
}