/* ===== Game START Button ===== */
.game-start-btn {
    display: inline-block;
    padding: 8px 32px;
    border: 1px solid var(--accent);
    color: var(--accent);
    background: transparent;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background 0.3s, color 0.3s, box-shadow 0.3s;
    margin-bottom: 12px;
}
.game-start-btn:hover {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 0 20px var(--accent-glow);
}

/* ===== Game Body ===== */
.game-body {
    padding: 40px 32px;
}

/* ===== Canvas Container ===== */
.game-canvas-container {
    display: flex;
    justify-content: center;
    margin-bottom: 24px;
}
.game-canvas-wrap {
    position: relative;
    display: inline-block;
    border-radius: 4px;
    overflow: hidden;
}
#game-canvas {
    display: block;
    width: 640px;
    height: auto;
    border-radius: 4px;
}

/* ===== Game Detail Grid (作品紹介スタイル) ===== */
.game-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 24px;
    border-top: 1px solid var(--border);
    padding-top: 20px;
    max-width: 700px;
    margin: 0 auto;
}
.game-detail-left,
.game-detail-right {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.game-detail-section p {
    font-size: 0.85rem;
    color: var(--text);
    line-height: 1.7;
    margin: 0;
    white-space: pre-line;
}
.game-detail-label {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: 4px;
    text-transform: uppercase;
    font-weight: 400;
}
@media (max-width: 768px) {
    .game-detail-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== Game Overlay ===== */
#game-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3;
}
#game-overlay[hidden] { display: none; }
#game-overlay h3 {
    font-size: 1.6rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    color: #fff;
    margin-bottom: 16px;
}

#game-title-screen,
#game-difficulty-screen,
#game-over-screen,
#game-ranking-screen {
    text-align: center;
    color: #fff;
    padding: 20px;
}
#game-title-screen {
    padding-top: 80px;
}
#game-title-screen[hidden],
#game-difficulty-screen[hidden],
#game-over-screen[hidden],
#game-ranking-screen[hidden] {
    display: none;
}

#game-instructions {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    white-space: pre-line;
}

/* ===== Title Menu ===== */
.title-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 60px;
}
.title-menu-item {
    display: block;
    width: 200px;
    margin: 0 auto;
    padding: 10px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    border-radius: var(--radius);
    cursor: pointer;
    transition: border-color 0.3s, color 0.3s;
}
.title-menu-item:hover,
.title-menu-item.selected {
    border-color: var(--accent);
    color: var(--accent);
}

/* ===== Difficulty Select ===== */
.difficulty-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 16px 0;
}
.difficulty-btn {
    display: block;
    width: 180px;
    margin: 0 auto;
    padding: 10px 0;
    border: 1px solid var(--border);
    color: var(--text);
    background: transparent;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    border-radius: var(--radius);
    cursor: pointer;
    transition: border-color 0.3s, color 0.3s, background 0.3s;
}
.difficulty-btn:hover,
.difficulty-btn.selected {
    border-color: var(--accent);
    color: var(--accent);
}
.difficulty-btn.easy { color: #44aaff; border-color: #44aaff33; }
.difficulty-btn.easy:hover, .difficulty-btn.easy.selected { border-color: #44aaff; background: #44aaff11; }
.difficulty-btn.normal { color: #44ff44; border-color: #44ff4433; }
.difficulty-btn.normal:hover, .difficulty-btn.normal.selected { border-color: #44ff44; background: #44ff4411; }
.difficulty-btn.hard { color: #ffaa44; border-color: #ffaa4433; }
.difficulty-btn.hard:hover, .difficulty-btn.hard.selected { border-color: #ffaa44; background: #ffaa4411; }
.difficulty-btn.lunatic { color: #ff4444; border-color: #ff444433; }
.difficulty-btn.lunatic:hover, .difficulty-btn.lunatic.selected { border-color: #ff4444; background: #ff444411; }

/* ===== Buttons ===== */
.game-btn {
    display: inline-block;
    padding: 10px 36px;
    border: 1px solid var(--accent);
    color: var(--accent);
    background: transparent;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background 0.3s, color 0.3s;
    margin: 6px;
}
.game-btn:hover,
.game-btn.selected {
    background: var(--accent);
    color: #fff;
}

/* ===== Name Input ===== */
.game-name-input {
    margin: 16px 0;
}
.game-name-input label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}
.game-name-input input {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border);
    color: #fff;
    padding: 8px 12px;
    border-radius: var(--radius);
    font-size: 1rem;
    text-align: center;
    width: 160px;
    letter-spacing: 0.1em;
}
.game-name-input input:focus {
    outline: none;
    border-color: var(--accent);
}

#game-final-score {
    font-family: "Courier New", monospace;
    font-size: 1.4rem;
    color: var(--accent);
    margin: 12px 0;
}

/* ===== Ranking ===== */
.ranking-tabs {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-bottom: 12px;
}
.ranking-tab {
    padding: 4px 10px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-muted);
    font-size: 0.65rem;
    letter-spacing: 0.05em;
    border-radius: var(--radius);
    cursor: pointer;
    transition: border-color 0.3s, color 0.3s;
}
.ranking-tab:hover {
    border-color: var(--accent);
    color: var(--accent);
}
.ranking-tab.active {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(255, 68, 68, 0.1);
}

#game-ranking-list {
    list-style: none;
    padding: 0;
    margin: 16px 0;
    text-align: left;
    max-width: 260px;
    margin-left: auto;
    margin-right: auto;
}
#game-ranking-list li {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-family: "Courier New", monospace;
    font-size: 0.8rem;
    color: var(--text);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
#game-ranking-list li .rank { color: var(--accent); width: 28px; }
#game-ranking-list li .name { flex: 1; }
#game-ranking-list li .score { text-align: right; min-width: 70px; }

#game-ranking-btns {
    margin-top: 12px;
}

/* ===== Mobile Controls ===== */
.game-controls {
    display: none;
    background: #0a0a14;
    padding: 12px;
    border-top: 1px solid #222;
    border-radius: 0;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
    margin-top: 0;
}
.game-controls-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 360px;
    margin: 0 auto;
}

/* Slide Pad (analog stick) */
.slide-pad {
    position: relative;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.18);
    touch-action: none;
    flex-shrink: 0;
}
.slide-pad.active {
    background: rgba(255, 68, 68, 0.1);
    border-color: rgba(255, 68, 68, 0.5);
}
.slide-pad-knob {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.4);
    transform: translate(-50%, -50%);
    pointer-events: none;
}
.slide-pad.active .slide-pad-knob {
    background: rgba(255, 68, 68, 0.35);
    border-color: var(--accent);
}

/* Action Buttons */
.action-btns {
    display: flex;
    gap: 12px;
    align-items: center;
}
.action-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    justify-content: center;
    touch-action: none;
}
.action-btn:active, .action-btn.active {
    background: rgba(255, 68, 68, 0.3);
    border-color: var(--accent);
}
.action-btn.bomb-btn { border-color: #44ff4444; color: #44ff44; }
.action-btn.bomb-btn:active, .action-btn.bomb-btn.active { background: rgba(68, 255, 68, 0.2); border-color: #44ff44; }
.action-btn.slow-btn { border-color: #44aaff44; color: #44aaff; }
.action-btn.slow-btn:active, .action-btn.slow-btn.active { background: rgba(68, 170, 255, 0.2); border-color: #44aaff; }

/* ===== Mobile Layout ===== */
@media (max-width: 768px) {
    .game-body {
        padding: 20px 12px;
    }
    .game-canvas-container {
        margin-bottom: 0;
    }
    #game-canvas {
        width: 100%;
    }
}

/* コントロールはタッチ端末のみ表示（PCで窓を狭めても出さない） */
@media (hover: none) and (pointer: coarse) {
    .game-controls {
        display: flex;
    }
}