/**
 * styles.css - Sacrifice ゲームのスタイル
 * 
 * デザインコンセプト: ウォーム＆ソフト
 * - クリーム色の背景
 * - セージグリーンとテラコッタのアクセント
 * - 丸みのあるコーナー、ソフトな影
 */

/* === Google Fonts === */
@import url('https://fonts.googleapis.com/css2?family=MedievalSharp&family=Noto+Serif+JP:wght@400;700&display=swap');

/* === 変数定義 === */
:root {
  --color-bg: #f5f0e6;
  --color-bg-light: #faf7f0;
  --color-text: #4a4a4a;
  --color-text-light: #7a7a7a;
  --color-player-a: #7a9e7e;
  --color-player-b: #d4856a;
  --color-border: #d4c8b8;
  --shadow-soft: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --font-display: 'MedievalSharp', 'Georgia', serif;
  --font-body: 'Georgia', serif;
  --font-japanese: 'Noto Serif JP', serif;
}

/* === リセット === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* === 基本スタイル === */
body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hidden {
  display: none !important;
}

/* === タイトル画面 === */
.title-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 48px;
  padding: 32px;
  text-align: center;
}

.title {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: normal;
  color: var(--color-text);
  letter-spacing: 0.05em;
}

.title-buttons {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
  max-width: 280px;
}

/* === ボタン === */
.btn {
  font-family: var(--font-body);
  font-size: 1.1rem;
  padding: 16px 32px;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-soft);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background-color: var(--color-player-a);
  color: white;
}

.btn-secondary {
  background-color: var(--color-player-b);
  color: white;
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-border);
  box-shadow: none;
}

.btn-ghost:hover {
  background-color: var(--color-bg-light);
}

.btn-small {
  font-size: 0.9rem;
  padding: 10px 20px;
}

/* === モーダル === */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 100;
}

.modal-content {
  background-color: var(--color-bg-light);
  padding: 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-medium);
  max-width: 400px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  margin-bottom: 16px;
  color: var(--color-text);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.modal-header .modal-title {
  margin-bottom: 0;
}

.modal-header .rules-page-indicator {
  font-family: var(--font-japanese);
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.rules-text {
  font-family: var(--font-japanese);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text);
}

.rules-text h3 {
  font-size: 1.1rem;
  margin: 16px 0 8px;
  color: var(--color-player-a);
}

.rules-text ul {
  margin-left: 20px;
  margin-bottom: 12px;
}

.rules-text li {
  margin-bottom: 4px;
}

.rules-text p {
  margin-bottom: 12px;
}

.modal-content .btn {
  width: 100%;
  margin-top: 16px;
}

.modal-content .btn + .btn {
  margin-top: 8px;
}

/* === ルールページ === */
.rules-page {
  font-family: var(--font-japanese);
}

.rules-page h3 {
  font-size: 1.1rem;
  color: var(--color-text);
  margin-bottom: 12px;
}

.rules-page p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text);
  margin-bottom: 12px;
}

.rules-page ul {
  margin-bottom: 12px;
  padding-left: 20px;
}

.rules-page li {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.rules-hint {
  font-size: 0.85rem;
  color: var(--color-text-light);
  text-align: center;
}

.rules-goal {
  font-size: 1.1rem;
  text-align: center;
  padding: 16px;
  background-color: rgba(var(--color-player-a-rgb, 122, 158, 126), 0.1);
  border-radius: var(--radius-md);
  margin-top: 16px;
}

.rules-nav {
  display: flex;
  align-items: stretch;
  justify-content: center;
  margin-top: 20px;
  gap: 8px;
}

.rules-nav .btn {
  width: auto;
  margin: 0;
  flex: 1;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.rules-nav .btn + .btn {
  margin-top: 0;
}

.rules-page-indicator {
  font-family: var(--font-japanese);
  font-size: 0.9rem;
  color: var(--color-text-light);
  text-align: center;
  min-width: 50px;
}

/* === 移動デモ盤面 === */
.move-demo {
  margin: 20px 0;
  text-align: center;
}

.move-grid {
  display: grid;
  grid-template-columns: repeat(3, 60px);
  grid-template-rows: repeat(3, 60px);
  gap: 2px;
  justify-content: center;
  background-color: var(--color-border);
  padding: 2px;
  border-radius: var(--radius-sm);
  width: fit-content;
  margin: 0 auto;
}

.move-cell {
  background-color: rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.move-cell--can {
  background-color: rgba(122, 200, 122, 0.7);
}

.move-cell--piece {
  background-color: var(--color-bg);
}

.move-demo-caption {
  font-family: var(--font-japanese);
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-top: 12px;
}

.modal-content--wide {
  max-width: 480px;
}

/* === ゲーム終了モーダル === */
.gameover-result {
  text-align: center;
  margin-bottom: 16px;
}

#gameover-message {
  font-family: var(--font-japanese);
  font-size: 1.2rem;
  color: var(--color-text);
  margin-bottom: 16px;
}

.gameover-scores {
  display: flex;
  justify-content: center;
  gap: 24px;
}

.gameover-score {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 24px;
  border-radius: var(--radius-md);
}

.gameover-score--a {
  background-color: rgba(122, 158, 126, 0.2);
}

.gameover-score--b {
  background-color: rgba(198, 134, 103, 0.2);
}

.gameover-score-label {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 4px;
}

.gameover-score-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: bold;
}

.gameover-score--a .gameover-score-value {
  color: var(--color-player-a);
}

.gameover-score--b .gameover-score-value {
  color: var(--color-player-b);
}

/* === 駒デモ表示 === */
.piece-examples {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin: 20px 0;
  flex-wrap: wrap;
}

.piece-examples--grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  max-width: 280px;
  margin: 16px auto;
}

.piece-example {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.piece-demo {
  width: 56px;
  height: 56px;
  border-radius: 8px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.piece-examples--grid .piece-demo {
  width: 48px;
  height: 48px;
}

.piece-demo--a {
  background-color: var(--color-player-a);
}

.piece-demo--b {
  background-color: var(--color-player-b);
}

.piece-level {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: white;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  z-index: 1;
}

.piece-dots {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* ドット共通スタイル */
.dot {
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.6);
}

/* 各方向のドット位置 */
.dot-tl { top: 6px; left: 6px; }
.dot-t { top: 6px; left: 50%; transform: translateX(-50%); }
.dot-tr { top: 6px; right: 6px; }
.dot-l { top: 50%; left: 6px; transform: translateY(-50%); }
.dot-r { top: 50%; right: 6px; transform: translateY(-50%); }
.dot-bl { bottom: 6px; left: 6px; }
.dot-b { bottom: 6px; left: 50%; transform: translateX(-50%); }
.dot-br { bottom: 6px; right: 6px; }

.piece-label {
  font-family: var(--font-japanese);
  font-size: 0.8rem;
  color: var(--color-text-light);
}

/* === 設定フォーム === */
.settings-form {
  margin-bottom: 8px;
}

.setting-item {
  margin-bottom: 16px;
}

.setting-label {
  display: block;
  font-family: var(--font-japanese);
  font-size: 0.95rem;
  margin-bottom: 8px;
  color: var(--color-text);
}

.setting-control {
  display: flex;
  align-items: center;
  gap: 8px;
}

.setting-input {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 8px 12px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: white;
  width: 80px;
  text-align: center;
}

.setting-input:focus {
  outline: none;
  border-color: var(--color-player-a);
}

.setting-hint {
  font-family: var(--font-japanese);
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* === オンラインモーダル === */
.online-section {
  text-align: center;
  padding: 16px 0;
}

.online-divider {
  font-family: var(--font-japanese);
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin: 16px 0;
  position: relative;
}

.online-divider::before,
.online-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 30%;
  height: 1px;
  background-color: var(--color-border);
}

.online-divider::before {
  left: 0;
}

.online-divider::after {
  right: 0;
}

.join-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}

.room-code-input {
  font-family: var(--font-display);
  font-size: 2.0rem;
  width: 100%;
  padding: 12px 32px;
  text-align: center;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: white;
  letter-spacing: 0.2em;
  box-sizing: border-box;
  color: var(--color-text);
}

.room-code-input:focus {
  outline: none;
  border-color: var(--color-player-a);
}

.room-code-input::placeholder {
  color: var(--color-text-light);
}

.room-code-display {
  font-family: var(--font-display);
  font-size: 2.5rem;
  letter-spacing: 0.2em;
  color: var(--color-player-a);
  padding: 16px 0;
}

.waiting-text {
  font-family: var(--font-japanese);
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

.waiting-hint {
  font-family: var(--font-japanese);
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.error-text {
  font-family: var(--font-japanese);
  font-size: 1rem;
  color: var(--color-player-b);
}

/* === ゲーム画面 === */
.game-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 16px;
  max-width: 100vw;
  width: 100%;
  min-height: 100vh;
}

/* === ゲームエリア === */
.game-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

/* === スコアパネル（共通） === */
.score-panel {
  display: flex;
  align-items: center;
  justify-content: space-around;
  width: 100%;
  max-width: 640px;
  padding: 12px 20px;
  background-color: var(--color-bg-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

/* 相手: 逆さま + 左ボーダー */
.score-panel--opponent {
  border-left: 4px solid var(--color-player-b);
  transform: rotate(180deg);
}

/* 自分: 左ボーダーのみ */
.score-panel--player {
  border-left: 4px solid var(--color-player-a);
}

.score-label {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 2px;
}

.score-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
}

.score-item {
  text-align: center;
}

/* === ゲームボード === */
.board-container {
  background-color: var(--color-bg-light);
  padding: 8px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-medium);
}

#game-board {
  display: block;
  max-width: 100%;
  max-height: 65vh;
}

/* === ツールバー === */
.toolbar {
  display: flex;
  gap: 12px;
  justify-content: center;
}

/* === 横長画面レイアウト: スコアを左上・右下に配置 === */
@media (min-width: 900px) and (min-aspect-ratio: 4/3) {
  .game-area {
    position: relative;
  }

  .score-panel {
    position: absolute;
    width: auto;
    min-width: 140px;
    padding: 16px 20px;
    flex-direction: column;
    gap: 12px;
    border-left: none;
  }

  /* 相手スコア: 左上（逆さま） */
  .score-panel--opponent {
    top: 0;
    left: 0;
    transform: translateX(calc(-100% - 24px)) rotate(180deg);
    border-top: 4px solid var(--color-player-b);
    border-left: none;
  }

  /* 自分スコア: 右下 */
  .score-panel--player {
    bottom: 0;
    right: 0;
    transform: translateX(calc(100% + 24px));
    border-top: 4px solid var(--color-player-a);
    border-left: none;
  }

  .score-item + .score-item {
    margin-top: 8px;
  }
}

/* === レスポンシブ（縦長/小画面） === */
@media (max-width: 480px) {
  .title {
    font-size: 2.5rem;
  }
  
  .score-panel {
    padding: 10px 16px;
  }
  
  .score-value {
    font-size: 1.2rem;
  }
  
  .btn {
    padding: 12px 24px;
    font-size: 1rem;
  }
}