/* ----------------------------------------------------
   アクセシブル・ドローポーカー デザインシステム
---------------------------------------------------- */

:root {
    /* カラーパレット - プレミアムダークカジノテーマ */
    --bg-main: radial-gradient(circle at center, #11251c 0%, #070e0a 100%);
    --panel-bg: rgba(255, 255, 255, 0.05);
    --panel-border: rgba(255, 255, 255, 0.1);
    --accent-gold: #d4af37;
    --accent-gold-hover: #f3e5ab;
    --text-light: #f0f4f2;
    --text-muted: #8e9e96;
    
    /* カードデザイン用カラー */
    --card-bg: linear-gradient(135deg, #ffffff 0%, #f0f0f0 100%);
    --card-back-bg: repeating-linear-gradient(45deg, #7c1a1a, #7c1a1a 10px, #a02828 10px, #a02828 20px);
    --card-suit-red: #e12b2b;
    --card-suit-black: #1a1a1a;
    --card-border-selected: #d4af37;
    
    /* ボタン用カラー */
    --btn-primary: #1e6b43;
    --btn-primary-hover: #298d5a;
    --btn-secondary: #4a5d54;
    --btn-secondary-hover: #5d756a;
    --btn-success: #1e5ba3;
    --btn-success-hover: #2d7ee0;
    --btn-warning: #b38519;
    --btn-warning-hover: #e0aa2b;
    --btn-danger: #a32d2d;
    --btn-danger-hover: #c93c3c;
    
    /* フォント */
    --font-family: 'Outfit', 'Noto Sans JP', sans-serif;
}

/* ----------------------------------------------------
   基本レイアウトとリセット
---------------------------------------------------- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background: var(--bg-main);
    color: var(--text-light);
    font-family: var(--font-family);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    overflow-x: hidden;
}

/* スクリーンリーダー用（視覚的に隠し、音声読み上げのみ対象にする） */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* ----------------------------------------------------
   アプリメインコンテナ
---------------------------------------------------- */
.app-container {
    width: 100%;
    max-width: 900px;
    display: grid;
    grid-template-rows: auto 1fr auto;
    gap: 20px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--panel-border);
    padding-bottom: 15px;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(to right, var(--accent-gold), #ffffff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* 音量コントロール */
.volume-control {
    display: flex;
    align-items: center;
    gap: 10px;
}

.volume-control label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.volume-control input[type="range"] {
    width: 100px;
    cursor: pointer;
}

/* ----------------------------------------------------
   ゲームボード
---------------------------------------------------- */
.game-board {
    display: grid;
    grid-template-rows: auto auto auto auto;
    gap: 20px;
}

/* プレイヤー・CPU情報パネル */
.player-panel {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 16px;
    padding: 20px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.player-panel:hover {
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    border-bottom: 1px dashed var(--panel-border);
    padding-bottom: 10px;
}

.panel-header h2 {
    font-size: 1.25rem;
    color: var(--text-light);
}

.chips-display {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent-gold);
    background: rgba(212, 175, 55, 0.1);
    padding: 4px 12px;
    border-radius: 20px;
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.instruction-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

/* ----------------------------------------------------
   カードのグラフィックデザイン (プレミアム)
---------------------------------------------------- */
.cards-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.cards-list {
    display: flex;
    gap: 15px;
    list-style: none;
    justify-content: center;
    flex-wrap: wrap;
    perspective: 1000px;
}

/* カード共通 */
.card {
    width: 90px;
    height: 135px;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 10px;
    font-weight: 700;
    font-size: 1.5rem;
    position: relative;
    user-select: none;
    box-shadow: 0 6px 12px rgba(0,0,0,0.3);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    background: var(--card-bg);
}

/* プレイヤー手札のカード（選択可能） */
.player-self-panel .card {
    cursor: pointer;
    border: 2px solid transparent;
}

.player-self-panel .card:focus-visible, .player-self-panel .card.focused-card {
    outline: 3px solid var(--accent-gold);
    outline-offset: 4px;
}

/* 選択されたカード（交換対象） */
.card.selected {
    transform: translateY(-15px) rotate(2deg);
    border: 3px solid var(--card-border-selected) !important;
    box-shadow: 0 15px 30px rgba(212, 175, 55, 0.3);
}

/* 交換マーク表示（バッジ） */
.card.selected::after {
    content: "交換";
    position: absolute;
    top: -10px;
    right: -10px;
    background: var(--card-border-selected);
    color: #000;
    font-size: 0.75rem;
    font-weight: 800;
    padding: 3px 8px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
}

/* カードの絵柄配色 */
.card.red {
    color: var(--card-suit-red);
}

.card.black {
    color: var(--card-suit-black);
}

.card-top {
    align-self: flex-start;
    line-height: 1;
}

.card-suit-center {
    font-size: 3rem;
    align-self: center;
    margin: -10px 0;
}

.card-bottom {
    align-self: flex-end;
    transform: rotate(180deg);
    line-height: 1;
}

/* 伏せカード (裏面) */
.card.back {
    background: var(--card-back-bg);
    border: 3px solid #ffffff;
    box-shadow: inset 0 0 10px rgba(0,0,0,0.5), 0 6px 12px rgba(0,0,0,0.3);
    color: transparent;
    display: flex;
    justify-content: center;
    align-items: center;
}

.card.back::after {
    content: "♠";
    color: rgba(255, 255, 255, 0.15);
    font-size: 3.5rem;
    position: absolute;
}

/* 役名の表示 */
.hand-name-display {
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffffff;
    text-align: center;
    background: rgba(0, 0, 0, 0.4);
    padding: 6px 20px;
    border-radius: 30px;
    border: 1px solid var(--panel-border);
}

/* ----------------------------------------------------
   テーブル中央 (ポットなど)
---------------------------------------------------- */
.table-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: rgba(0,0,0,0.2);
    border-radius: 12px;
    padding: 15px;
    border: 1px dashed rgba(255,255,255,0.05);
}

.pot-display {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.pot-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    font-weight: 800;
}

.pot-value {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--accent-gold);
    text-shadow: 0 0 10px rgba(212, 175, 55, 0.4);
}

.phase-badge {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-light);
    border-radius: 4px;
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.05);
}

.bet-info {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ----------------------------------------------------
   操作・コントロールパネル
---------------------------------------------------- */
.action-panel {
    display: flex;
    justify-content: center;
    min-height: 80px;
}

.control-group {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.raise-container {
    display: flex;
    align-items: center;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--panel-border);
    border-radius: 8px;
    padding: 4px;
    gap: 10px;
}

.raise-container input[type="number"] {
    width: 80px;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
    padding: 5px;
    text-align: center;
}

.raise-container input[type="number"]:focus {
    outline: none;
}

/* ボタン汎用 */
.btn {
    font-family: var(--font-family);
    font-weight: 700;
    font-size: 1rem;
    padding: 10px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.btn:active {
    transform: translateY(2px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.btn:focus-visible {
    outline: 3px solid #fff;
    outline-offset: 2px;
}

.btn-large {
    font-size: 1.2rem;
    padding: 15px 36px;
    border-radius: 12px;
}

.btn-primary {
    background: var(--btn-primary);
    color: #fff;
}
.btn-primary:hover {
    background: var(--btn-primary-hover);
}

.btn-secondary {
    background: var(--btn-secondary);
    color: #fff;
}
.btn-secondary:hover {
    background: var(--btn-secondary-hover);
}

.btn-success {
    background: var(--btn-success);
    color: #fff;
}
.btn-success:hover {
    background: var(--btn-success-hover);
}

.btn-warning {
    background: var(--btn-warning);
    color: #fff;
}
.btn-warning:hover {
    background: var(--btn-warning-hover);
}

.btn-danger {
    background: var(--btn-danger);
    color: #fff;
}
.btn-danger:hover {
    background: var(--btn-danger-hover);
}

.hidden {
    display: none !important;
}

/* ----------------------------------------------------
   実況ログパネル
---------------------------------------------------- */
.log-panel {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--panel-border);
    border-radius: 12px;
    padding: 15px;
    margin-top: 10px;
}

.log-panel h3 {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding-bottom: 5px;
}

.log-content {
    max-height: 120px;
    overflow-y: auto;
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.5;
    display: flex;
    flex-direction: column-reverse; /* 最新ログが上にスクロールするようにします */
    gap: 8px;
}

.log-content p {
    padding: 4px 8px;
    background: rgba(255,255,255,0.02);
    border-left: 3px solid var(--accent-gold);
    border-radius: 0 4px 4px 0;
}

/* ----------------------------------------------------
   アニメーション
---------------------------------------------------- */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* レスポンシブ対応 */
@media (max-width: 600px) {
    header h1 {
        font-size: 1.8rem;
    }
    .card {
        width: 60px;
        height: 90px;
        font-size: 1.1rem;
        padding: 5px;
    }
    .card-suit-center {
        font-size: 2rem;
    }
}