/* Relic Clash - reactive turn-based card battle */
*, *::before, *::after { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  overscroll-behavior: none;
  overscroll-behavior-y: none;
}
body {
  font-family: 'Yu Gothic UI', 'Meiryo', 'Hiragino Sans', sans-serif;
  background: linear-gradient(180deg, #0a0612 0%, #1d1530 100%);
  color: #f7f3eb;
  min-height: 100dvh;
}

#app { min-height: 100dvh; display: flex; flex-direction: column; }

.rc-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 16px;
  border-bottom: 1px solid rgba(255, 208, 186, 0.12);
  background: rgba(0, 0, 0, 0.4);
}
.rc-title { font-size: 18px; font-weight: 700; color: #ffd0ba; margin: 0; }
.rc-header-right { font-size: 12px; color: #c4b6cf; }

.rc-screen { flex: 1; display: none; padding: 16px; }
.rc-screen.active { display: flex; flex-direction: column; gap: 16px; }

/* ---- Title ---- */
.rc-title-card {
  max-width: 560px; width: 100%; margin: 32px auto;
  padding: 28px; background: rgba(15, 9, 25, 0.7);
  border: 1px solid rgba(255, 208, 186, 0.22);
  border-radius: 18px;
  display: flex; flex-direction: column; gap: 18px;
}
.rc-title-card h1 {
  font-size: 36px; margin: 0; color: #ffd0ba;
  letter-spacing: 2px;
}
.rc-title-card p.lead { margin: 0; color: #c4b6cf; font-size: 14px; line-height: 1.7; }
.rc-button-row { display: flex; gap: 10px; flex-wrap: wrap; }

.rc-button {
  appearance: none; border: 1px solid rgba(255, 208, 186, 0.4);
  background: linear-gradient(180deg, #ef6a3a 0%, #b6452a 100%);
  color: #fff7ed; padding: 12px 18px;
  border-radius: 10px; font-weight: 700;
  font-size: 15px; cursor: pointer;
  transition: transform 0.06s ease;
}
.rc-button:hover { filter: brightness(1.08); }
.rc-button:active { transform: translateY(1px); }
.rc-button:disabled { opacity: 0.4; cursor: not-allowed; }
.rc-button.secondary {
  background: rgba(255, 208, 186, 0.08);
  color: #ffd0ba;
}
.rc-button.tiny { padding: 6px 10px; font-size: 12px; }

/* ---- Rules ---- */
.rc-rules ul { padding-left: 18px; margin: 6px 0; color: #d8cee0; font-size: 13px; line-height: 1.7; }
.rc-rules code { background: rgba(255, 208, 186, 0.1); padding: 1px 5px; border-radius: 4px; }

/* ---- Difficulty ---- */
.rc-diff-grid {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}
.rc-diff-card {
  border: 1px solid rgba(255, 208, 186, 0.25);
  background: rgba(0, 0, 0, 0.25);
  border-radius: 14px; padding: 16px;
  display: flex; flex-direction: column; gap: 6px;
  cursor: pointer;
}
.rc-diff-card:hover { background: rgba(239, 106, 58, 0.15); }
.rc-diff-card h3 { margin: 0; font-size: 18px; color: #ffd0ba; }
.rc-diff-card p { margin: 0; font-size: 12px; color: #d8cee0; line-height: 1.6; }

/* ---- Battle ---- */
.rc-battle {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 10px;
  max-width: 980px; margin: 0 auto; width: 100%;
}
.rc-actor {
  border: 1px solid rgba(255, 208, 186, 0.18);
  background: rgba(20, 12, 32, 0.6);
  border-radius: 12px;
  padding: 10px 14px;
}
.rc-actor h3 { margin: 0 0 6px; font-size: 14px; color: #ffd0ba; display: flex; gap: 8px; align-items: center; }
.rc-actor .rc-stats {
  display: flex; gap: 14px; flex-wrap: wrap;
  font-size: 13px; color: #f7f3eb;
}
.rc-actor .rc-stats .v { font-weight: 700; color: #ffd0ba; }
.rc-hp-bar {
  position: relative; height: 8px; background: rgba(255, 208, 186, 0.12);
  border-radius: 5px; overflow: hidden; margin-top: 6px;
}
.rc-hp-bar > span {
  position: absolute; left: 0; top: 0; bottom: 0;
  background: linear-gradient(90deg, #ef6a3a 0%, #ffd0ba 100%);
  transition: width 0.3s ease;
}
.rc-statuses { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.rc-status-chip {
  font-size: 11px; padding: 2px 6px;
  border-radius: 999px;
  background: rgba(124, 58, 237, 0.25);
  border: 1px solid rgba(196, 132, 252, 0.5);
  color: #e9d5ff;
}
.rc-status-chip.s-burn { background: rgba(239, 68, 68, 0.25); border-color: #ef4444; color: #fee2e2; }
.rc-status-chip.s-chill { background: rgba(96, 165, 250, 0.25); border-color: #60a5fa; color: #dbeafe; }
.rc-status-chip.s-shock { background: rgba(250, 204, 21, 0.22); border-color: #facc15; color: #fef3c7; }
.rc-status-chip.s-bind { background: rgba(132, 204, 22, 0.25); border-color: #84cc16; color: #ecfccb; }
.rc-status-chip.s-fragile { background: rgba(167, 139, 250, 0.25); border-color: #a78bfa; color: #ede9fe; }

.rc-log {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 208, 186, 0.12);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 12px;
  color: #d8cee0;
  max-height: 110px;
  overflow-y: auto;
  line-height: 1.5;
}
.rc-log .e { margin-bottom: 3px; }
.rc-log .e.k-attack { color: #fdba74; }
.rc-log .e.k-resolve { color: #f7f3eb; }
.rc-log .e.k-status { color: #fca5a5; }
.rc-log .e.k-spell { color: #c4b5fd; }
.rc-log .e.k-end { color: #ffd0ba; font-weight: 700; }

.rc-action-bar {
  display: flex; gap: 8px; flex-wrap: wrap; padding: 6px 0;
}

.rc-hand-area { display: flex; flex-direction: column; gap: 6px; }
.rc-hand-label { font-size: 12px; color: #c4b6cf; }
.rc-hand {
  display: flex; gap: 8px; overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}
.rc-card {
  flex: 0 0 auto;
  width: 110px; height: 158px;
  position: relative;
  border-radius: 10px;
  background-color: #100618;
  background-size: cover;
  background-position: center;
  border: 2px solid rgba(255, 208, 186, 0.35);
  cursor: pointer;
  transition: transform 0.1s ease, border-color 0.1s ease;
  user-select: none;
}
.rc-card:hover { transform: translateY(-4px); border-color: #ffd0ba; }
.rc-card.selected { border-color: #facc15; box-shadow: 0 0 0 2px rgba(250, 204, 21, 0.5); }
.rc-card.disabled { opacity: 0.45; cursor: not-allowed; }
.rc-card.disabled:hover { transform: none; border-color: rgba(255, 208, 186, 0.35); }
.rc-card .rc-type {
  position: absolute; top: 4px; left: 4px;
  font-size: 10px; color: #fff7ed;
  background: rgba(0, 0, 0, 0.45); padding: 2px 5px;
  border-radius: 999px;
}
.rc-card .rc-name {
  position: absolute; bottom: 6px; left: 6px; right: 6px;
  font-size: 11px; color: #fff7ed;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
  text-align: center; line-height: 1.2;
}

/* ---- Modal ---- */
.rc-modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: none; align-items: center; justify-content: center;
  padding: 16px; z-index: 50;
}
.rc-modal-backdrop.active { display: flex; }
.rc-modal {
  background: linear-gradient(180deg, #1d1530 0%, #0a0612 100%);
  border: 1px solid rgba(255, 208, 186, 0.3);
  border-radius: 14px;
  padding: 18px; width: 100%; max-width: 520px;
  display: flex; flex-direction: column; gap: 12px;
  max-height: 90vh; overflow-y: auto;
}
.rc-modal h2 { margin: 0; color: #ffd0ba; font-size: 18px; }
.rc-modal p { margin: 0; color: #d8cee0; font-size: 13px; line-height: 1.6; }
.rc-modal .rc-hand { padding: 6px 0; }

.rc-name-input { display: flex; gap: 8px; }
.rc-name-input input {
  flex: 1; padding: 8px 10px;
  border-radius: 8px; border: 1px solid rgba(255, 208, 186, 0.3);
  background: rgba(0, 0, 0, 0.3); color: #fff7ed;
  font-size: 14px;
}

.rc-status { font-size: 12px; }
.rc-status.error { color: #fca5a5; }
.rc-status.info { color: #ffd0ba; }

/* ---- Result ---- */
.rc-result-grid {
  display: grid; grid-template-columns: auto 1fr;
  row-gap: 6px; column-gap: 10px;
  font-size: 14px;
}
.rc-result-grid .label { color: #c4b6cf; }
.rc-result-grid .value { color: #fff7ed; font-weight: 700; }

.rc-ranking {
  display: flex; flex-direction: column; gap: 4px;
  max-height: 240px; overflow-y: auto;
}
.rc-ranking-row {
  display: grid; grid-template-columns: 32px 1fr 80px;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 6px;
  background: rgba(255, 208, 186, 0.06);
  font-size: 13px;
}
.rc-ranking-row.you { background: rgba(250, 204, 21, 0.15); border: 1px solid rgba(250, 204, 21, 0.4); }
.rc-ranking-row .rank { color: #ffd0ba; font-weight: 700; }
.rc-ranking-row .name { color: #fff7ed; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rc-ranking-row .score { color: #ffd0ba; text-align: right; font-weight: 700; }

/* ---- Menu (title) ---- */
.rc-menu { display: flex; flex-direction: column; gap: 8px; }
.rc-menu-button {
  appearance: none; cursor: pointer; text-align: left;
  background: rgba(255, 208, 186, 0.05);
  border: 1px solid rgba(255, 208, 186, 0.25);
  border-radius: 10px;
  padding: 12px 14px; color: #fff7ed;
  display: flex; flex-direction: column; gap: 2px;
  transition: background 0.1s ease;
}
.rc-menu-button:hover { background: rgba(239, 106, 58, 0.12); border-color: rgba(255, 208, 186, 0.5); }
.rc-menu-button:disabled { opacity: 0.5; cursor: not-allowed; }
.rc-menu-button.primary { background: linear-gradient(180deg, #ef6a3a 0%, #b6452a 100%); border-color: rgba(255, 208, 186, 0.5); }
.rc-menu-button.primary:hover { filter: brightness(1.08); background: linear-gradient(180deg, #ef6a3a 0%, #b6452a 100%); }
.rc-menu-title { font-size: 16px; font-weight: 700; color: #ffd0ba; }
.rc-menu-button.primary .rc-menu-title { color: #fff7ed; }
.rc-menu-sub { font-size: 12px; color: #c4b6cf; }
.rc-menu-button.primary .rc-menu-sub { color: rgba(255, 247, 237, 0.85); }

/* ---- Code display / input ---- */
.rc-code-display {
  font-family: 'Courier New', monospace;
  font-size: 36px; font-weight: 800; letter-spacing: 8px;
  text-align: center;
  background: rgba(0, 0, 0, 0.35);
  border: 2px dashed rgba(255, 208, 186, 0.5);
  border-radius: 12px;
  padding: 20px;
  color: #ffd0ba;
  user-select: all;
  margin: 8px 0;
}
.rc-code-input {
  width: 100%;
  font-family: 'Courier New', monospace;
  font-size: 28px; letter-spacing: 6px; text-align: center;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 208, 186, 0.3);
  border-radius: 10px; padding: 14px;
  color: #fff7ed; text-transform: uppercase;
  margin: 6px 0;
}
.rc-code-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin: -2px 0 8px;
}
.rc-code-actions .rc-status { margin: 0; font-size: 12px; }

.rc-lobby-roster {
  display: flex; flex-direction: column; gap: 4px;
  background: rgba(0, 0, 0, 0.25);
  border-radius: 8px; padding: 8px 10px;
  font-size: 13px;
  margin: 6px 0;
}
.rc-lobby-roster .row { display: flex; justify-content: space-between; align-items: center; }
.rc-lobby-roster .row .name { color: #fff7ed; }
.rc-lobby-roster .row .badge {
  font-size: 11px; padding: 1px 6px;
  border-radius: 999px;
  background: rgba(132, 204, 22, 0.25);
  border: 1px solid #84cc16; color: #ecfccb;
}
.rc-lobby-roster .row .badge.host { background: rgba(239, 106, 58, 0.25); border-color: #ef6a3a; color: #ffd0ba; }
.rc-lobby-roster .row .badge.waiting { background: rgba(148, 163, 184, 0.2); border-color: #94a3b8; color: #cbd5e1; }

/* ---- Tier / rating ---- */
.rc-tier {
  display: inline-block;
  font-size: 12px; font-weight: 700;
  padding: 2px 8px; border-radius: 999px;
  border: 1px solid currentColor;
  letter-spacing: 1px;
}
.rc-tier.t-Bronze { color: #d97706; background: rgba(217, 119, 6, 0.15); }
.rc-tier.t-Silver { color: #cbd5e1; background: rgba(203, 213, 225, 0.12); }
.rc-tier.t-Gold { color: #facc15; background: rgba(250, 204, 21, 0.15); }
.rc-tier.t-Platinum { color: #a5f3fc; background: rgba(165, 243, 252, 0.12); }
.rc-tier.t-Diamond { color: #67e8f9; background: rgba(103, 232, 249, 0.18); }

.rc-my-rating {
  margin-top: 14px;
  padding: 10px 12px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 208, 186, 0.18);
  border-radius: 10px;
}
.rc-my-rating h2 { margin: 0 0 6px; font-size: 13px; color: #c4b6cf; }
.rc-rating-line { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.rc-rating-value { font-size: 22px; font-weight: 800; color: #ffd0ba; }
.rc-rating-stats { font-size: 12px; color: #c4b6cf; }
.rc-rating-change { display: flex; gap: 12px; align-items: center; padding: 8px 0; }
.rc-rating-change .label { color: #c4b6cf; font-size: 13px; }
.rc-rating-change .value { font-size: 18px; font-weight: 700; color: #ffd0ba; }

/* Leaderboard rows include tier cell + rating cell */
.rc-ranking-row.with-tier { grid-template-columns: 32px 1fr 88px 90px; }

@media (max-width: 640px) {
  /* HUD 縮小 */
  .rc-header { padding: 6px 10px; }
  .rc-title { font-size: 15px; }
  .rc-header-right { font-size: 11px; }

  .rc-screen { padding: 8px; }
  .rc-battle { gap: 6px; padding: 0; }

  .rc-actor { padding: 6px 10px; }
  .rc-actor h3 { font-size: 12px; margin: 0 0 3px; gap: 6px; }
  .rc-actor .rc-stats { font-size: 11px; gap: 8px; }
  .rc-actor .rc-stats .v { font-size: 12px; }
  .rc-hp-bar { height: 6px; margin-top: 4px; }
  .rc-statuses { gap: 4px; margin-top: 4px; }
  .rc-status-chip { font-size: 10px; padding: 1px 5px; }

  .rc-log {
    max-height: 60px;
    font-size: 10px;
    padding: 4px 8px;
    line-height: 1.3;
  }

  .rc-action-bar { gap: 5px; }
  .rc-action-bar .rc-button {
    padding: 8px 6px;
    font-size: 12px;
    flex: 1 1 calc(33.333% - 4px);
    min-width: 0;
    border-radius: 8px;
  }

  .rc-hand-label { font-size: 11px; }

  /* スマホは横スクロールではなく 3 列グリッドで折り返す */
  .rc-hand {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    overflow-x: visible;
    overflow-y: visible;
    padding-bottom: 4px;
  }
  .rc-card {
    width: 100%;
    height: auto;
    aspect-ratio: 110 / 158;
  }
  .rc-card .rc-type { font-size: 9px; padding: 1px 4px; }
  .rc-card .rc-name { font-size: 9px; bottom: 4px; left: 4px; right: 4px; }

  /* モーダル内の手札も 3 列グリッドで揃える (攻撃選択/防御選択/整理など) */
  .rc-modal { padding: 12px; max-height: 92vh; }
  .rc-modal .rc-hand {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
  }

  /* タイトル / ロビー / ランキング画面の調整 */
  .rc-title-card { padding: 20px 16px; margin: 12px auto; gap: 14px; }
  .rc-title-card h1 { font-size: 26px; }
  .rc-menu-button { padding: 10px 12px; }
  .rc-menu-title { font-size: 14px; }
  .rc-menu-sub { font-size: 11px; }
  .rc-code-display { font-size: 28px; letter-spacing: 4px; padding: 14px; }
  .rc-code-input { font-size: 22px; letter-spacing: 4px; padding: 12px; }
  .rc-ranking-row.with-tier { grid-template-columns: 28px 1fr 72px 70px; font-size: 12px; }
}

/* さらに狭い端末向けの調整 (iPhone SE など 360px 前後) */
@media (max-width: 380px) {
  .rc-hand { grid-template-columns: repeat(2, 1fr); }
  .rc-modal .rc-hand { grid-template-columns: repeat(2, 1fr); }
  .rc-action-bar .rc-button { flex-basis: calc(50% - 4px); }
}