/* ===== ダイスアプリ コンテナ ===== */
.dice-app {
    background: #0f0f1a;
    color: #e0e0ff;
    font-family: 'Segoe UI', sans-serif;
    padding: 20px 0 32px;
}

.subtitle {
    text-align: center;
    color: #888;
    margin-bottom: 18px;
    font-size: 0.9em;
    letter-spacing: 0.04em;
}

/* ===== ダイスグリッド ===== */
#diceGrid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    padding: 0 20px;
    max-width: 800px;
    margin: 0 auto;
}

@media (max-width: 540px) {
    #diceGrid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== ダイスカード ===== */
.dice-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    text-align: center;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease;
    -webkit-user-select: none;
    user-select: none;
    overflow: hidden;
}

.dice-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.5);
    border-color: rgba(255,255,255,0.16);
}

.dice-card:active {
    transform: translateY(-2px);
}

/* ===== Canvas ===== */
.canvas-wrap {
    width: 100%;
    aspect-ratio: 4 / 3;
    position: relative;
}

.canvas-wrap canvas {
    position: absolute;
    top: 0; left: 0;
    width: 100% !important;
    height: 100% !important;
}

/* ===== ラベル ===== */
.type-label {
    font-size: 1.3em;
    font-weight: 700;
    padding: 7px 0 2px;
    letter-spacing: 0.06em;
}

.result-label {
    font-size: 2.4em;
    font-weight: 900;
    padding: 0 0 12px;
    min-height: 1.2em;
    line-height: 1.1;
}

@keyframes resultPop {
    0%   { transform: scale(1.7); opacity: 0.4; }
    60%  { transform: scale(0.9); }
    100% { transform: scale(1);   opacity: 1; }
}

.pop {
    animation: resultPop 0.35s ease forwards;
    will-change: transform, opacity;
}

/* ===== 全部振るボタン ===== */
#rollAllBtn {
    display: block;
    margin: 26px auto 0;
    padding: 13px 52px;
    font-size: 1.1em;
    font-weight: 600;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    letter-spacing: 0.06em;
    transition: transform 0.12s, box-shadow 0.2s;
    box-shadow: 0 4px 22px rgba(99,102,241,0.45);
}

#rollAllBtn:hover {
    transform: scale(1.06);
    box-shadow: 0 6px 28px rgba(139,92,246,0.65);
}

#rollAllBtn:active { transform: scale(0.97); }

/* ===== カスタムコントロール ===== */
#customControls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 14px auto 0;
    flex-wrap: wrap;
    font-size: 1em;
    color: #aaa;
}

#customControls select {
    background: #1e1e33;
    color: #e0e0ff;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 8px;
    padding: 7px 12px;
    font-size: 1em;
    cursor: pointer;
    outline: none;
}

#customControls select:focus {
    border-color: rgba(139,92,246,0.6);
}

#applyBtn {
    padding: 8px 26px;
    font-size: 1em;
    font-weight: 600;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    letter-spacing: 0.05em;
    transition: transform 0.12s, box-shadow 0.2s;
    box-shadow: 0 3px 14px rgba(99,102,241,0.4);
}

#applyBtn:hover  { transform: scale(1.06); box-shadow: 0 5px 20px rgba(139,92,246,0.6); }
#applyBtn:active { transform: scale(0.97); }

#resetBtn {
    padding: 8px 20px;
    font-size: 1em;
    font-weight: 600;
    background: transparent;
    color: #888;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 50px;
    cursor: pointer;
    letter-spacing: 0.05em;
    transition: color 0.15s, border-color 0.15s, transform 0.12s;
}

#resetBtn:hover  { color: #ccc; border-color: rgba(255,255,255,0.35); transform: scale(1.04); }
#resetBtn:active { transform: scale(0.97); }