* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --gold: #ffd700;
    --gold-dark: #b8860b;
    --red: #dc143c;
    --red-dark: #8b0000;
    --bg-dark: #1a1a2e;
    --bg-medium: #16213e;
    --bg-light: #0f3460;
    --text-light: #f1f1f1;
    --glow-color: #ff3333;
}

body {
    font-family: 'Noto Sans TC', sans-serif;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-medium) 50%, var(--bg-light) 100%);
    min-height: 100vh;
    color: var(--text-light);
    display: flex;
    justify-content: center;
    align-items: center;
}

.game-container {
    max-width: 700px;
    width: 100%;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

/* Header */
.header {
    text-align: center;
}

.title {
    font-size: 2.5rem;
    font-weight: 900;
    background: linear-gradient(45deg, var(--gold), #fff5cc, var(--gold));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

/* 號碼格子區域 */
.number-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
}

.number-row {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.number-box {
    width: 150px;
    height: 150px;
    background: linear-gradient(145deg, #1a4d1a, #0d260d);
    border: 4px solid var(--gold);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
}

.number-box .number {
    font-size: 5rem;
    font-weight: 900;
    color: var(--gold);
    line-height: 1;
}

.number-box .count {
    position: absolute;
    bottom: 10px;
    font-size: 1.2rem;
    color: #fff;
    opacity: 0.8;
}

/* 亮燈效果 */
.number-box.lit {
    background: linear-gradient(145deg, #cc3333, #991111);
    border-color: var(--glow-color);
    box-shadow:
        0 0 30px var(--glow-color),
        0 0 60px var(--glow-color),
        0 0 90px rgba(0, 255, 136, 0.5),
        inset 0 0 30px rgba(0, 255, 136, 0.3);
    animation: glow-pulse 1s ease-in-out infinite;
}

.number-box.lit .number {
    color: #fff;
    text-shadow: 0 0 20px var(--glow-color);
}

@keyframes glow-pulse {

    0%,
    100% {
        box-shadow:
            0 0 30px var(--glow-color),
            0 0 60px var(--glow-color),
            0 0 90px rgba(0, 255, 136, 0.5),
            inset 0 0 30px rgba(0, 255, 136, 0.3);
    }

    50% {
        box-shadow:
            0 0 40px var(--glow-color),
            0 0 80px var(--glow-color),
            0 0 120px rgba(0, 255, 136, 0.6),
            inset 0 0 40px rgba(0, 255, 136, 0.4);
    }
}

/* 搖骰子區域 - 按鈕和骰子並排 */
.roll-section {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

/* 搖骰子按鈕 */
.btn-roll {
    padding: 20px 60px;
    font-size: 1.5rem;
    font-weight: bold;
    font-family: 'Noto Sans TC', sans-serif;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 2px;
    background: linear-gradient(145deg, var(--red), var(--red-dark));
    color: white;
    box-shadow: 0 5px 30px rgba(220, 20, 60, 0.5);
}

.btn-roll:hover {
    background: linear-gradient(145deg, #ff1a4d, var(--red));
    transform: translateY(-3px);
    box-shadow: 0 8px 40px rgba(220, 20, 60, 0.7);
}

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

.btn-roll:disabled {
    background: linear-gradient(145deg, #666, #444);
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

/* 骰子區域 */
.dice-area {
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.5));
    border-radius: 15px;
    padding: 25px 40px;
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.dice-container {
    display: flex;
    justify-content: center;
    gap: 25px;
}

.dice-wrapper {
    perspective: 600px;
}

.dice {
    width: 50px;
    height: 50px;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.1s ease-out;
}

.dice.rolling {
    animation: roll 0.5s ease-out;
}

@keyframes roll {
    0% {
        transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg);
    }

    25% {
        transform: rotateX(180deg) rotateY(90deg) rotateZ(45deg);
    }

    50% {
        transform: rotateX(360deg) rotateY(180deg) rotateZ(90deg);
    }

    75% {
        transform: rotateX(540deg) rotateY(270deg) rotateZ(135deg);
    }

    100% {
        transform: rotateX(720deg) rotateY(360deg) rotateZ(180deg);
    }
}

.dice-face {
    position: absolute;
    width: 50px;
    height: 50px;
    background: linear-gradient(145deg, #ffffff, #e6e6e6);
    border: 2px solid #c41e3a;
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: inset 0 0 8px rgba(0, 0, 0, 0.1);
}

.dice-face.front {
    transform: translateZ(25px);
}

.dice-face.back {
    transform: rotateY(180deg) translateZ(25px);
}

.dice-face.right {
    transform: rotateY(90deg) translateZ(25px);
}

.dice-face.left {
    transform: rotateY(-90deg) translateZ(25px);
}

.dice-face.top {
    transform: rotateX(90deg) translateZ(25px);
}

.dice-face.bottom {
    transform: rotateX(-90deg) translateZ(25px);
}

/* Dice dots */
.dot {
    width: 8px;
    height: 8px;
    background: #c41e3a;
    border-radius: 50%;
    position: absolute;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* 響應式設計 */
@media (max-width: 550px) {
    .number-box {
        width: 100px;
        height: 100px;
    }

    .number-box .number {
        font-size: 3.5rem;
    }

    .number-row {
        gap: 10px;
    }

    .btn-roll {
        padding: 15px 40px;
        font-size: 1.2rem;
    }
}