/* ========================================
   骰魂 Dice Soul - Dice Styles
   ======================================== */

/* ---------- Dice Base ---------- */
.dice {
    --dice-size: 70px;
    --dice-color: var(--dice-steel);

    width: var(--dice-size);
    height: var(--dice-size);
    background: linear-gradient(145deg,
            color-mix(in srgb, var(--dice-color) 80%, white),
            var(--dice-color),
            color-mix(in srgb, var(--dice-color) 70%, black));
    border-radius: var(--radius-lg);
    position: relative;
    cursor: grab;
    user-select: none;
    transition: all var(--transition-base);
    box-shadow:
        var(--shadow-md),
        inset 0 2px 4px rgba(255, 255, 255, 0.2),
        inset 0 -2px 4px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
}

.dice:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow:
        var(--shadow-lg),
        0 0 20px color-mix(in srgb, var(--dice-color) 50%, transparent),
        inset 0 2px 4px rgba(255, 255, 255, 0.2),
        inset 0 -2px 4px rgba(0, 0, 0, 0.2);
}

.dice:active {
    cursor: grabbing;
}

.dice.selected {
    transform: translateY(-8px) scale(1.1);
    box-shadow:
        var(--shadow-lg),
        0 0 30px color-mix(in srgb, var(--dice-color) 60%, transparent),
        0 0 60px color-mix(in srgb, var(--dice-color) 30%, transparent);
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

.dice.in-battlefield {
    opacity: 0.4;
    pointer-events: none;
    transform: scale(0.9);
}

.dice.shattered {
    opacity: 0.3;
    filter: grayscale(100%);
    pointer-events: none;
    position: relative;
}

.dice.shattered::after {
    content: '💀';
    position: absolute;
    font-size: 2rem;
    opacity: 0.8;
}

/* ---------- Dice Class Variants ---------- */
.dice.steel-guard {
    --dice-color: var(--dice-steel);
}

.dice.blood-crystal {
    --dice-color: var(--dice-blood);
}

.dice.light-jade {
    --dice-color: var(--dice-jade);
}

.dice.light-jade .dice-face-value,
.dice.light-jade .dice-class {
    color: #1a1a25;
}

.dice.elemental-mage {
    --dice-color: var(--dice-mage);
}

/* ---------- Dice Content ---------- */
.dice-face-value {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
    text-align: center;
    line-height: 1.2;
}

.dice-class {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ---------- Dice HP Bar ---------- */
.dice-hp-container {
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    height: 6px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: var(--radius-full);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.dice-hp-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--color-danger), var(--color-success));
    border-radius: var(--radius-full);
    transition: width var(--transition-base);
}

.dice-hp-bar.low {
    background: var(--color-danger);
    animation: pulse 1s infinite;
}

.dice-hp-bar.critical {
    background: var(--color-danger);
    animation: pulse 0.5s infinite;
}

.dice-hp-text {
    position: absolute;
    top: -6px;
    right: -6px;
    background: var(--color-bg-dark);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--color-text);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* ---------- Dice Crack Effect ---------- */
.dice.damaged::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cpath d='M30 0 L35 25 L20 50 L40 75 L30 100' fill='none' stroke='rgba(0,0,0,0.3)' stroke-width='2'/%3E%3Cpath d='M70 0 L65 30 L80 60 L60 100' fill='none' stroke='rgba(0,0,0,0.3)' stroke-width='2'/%3E%3C/svg%3E");
    background-size: cover;
    opacity: 0.5;
    pointer-events: none;
    border-radius: var(--radius-lg);
}

/* ---------- Dice Damage Preview ---------- */
.dice-damage-preview {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: var(--font-size-xl);
    font-weight: 900;
    color: var(--color-danger);
    text-shadow:
        0 0 10px var(--color-danger),
        0 0 20px var(--color-danger);
    z-index: 10;
    pointer-events: none;
    animation: pulse 0.8s infinite;
}

.dice-death-warning {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.5rem;
    animation: shake 0.5s infinite;
}

/* ---------- Rolling Animation ---------- */
@keyframes diceRoll3D {
    0% {
        transform: perspective(400px) rotateX(0deg) rotateY(0deg) rotateZ(0deg) scale(1);
        box-shadow: var(--shadow-md);
    }

    20% {
        transform: perspective(400px) rotateX(180deg) rotateY(90deg) rotateZ(45deg) scale(1.2) translateY(-20px);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 30px var(--color-primary-glow);
    }

    40% {
        transform: perspective(400px) rotateX(360deg) rotateY(180deg) rotateZ(90deg) scale(1.1) translateY(-10px);
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4), 0 0 20px var(--color-primary-glow);
    }

    60% {
        transform: perspective(400px) rotateX(540deg) rotateY(270deg) rotateZ(135deg) scale(1.15) translateY(-15px);
        box-shadow: 0 18px 35px rgba(0, 0, 0, 0.45), 0 0 25px var(--color-primary-glow);
    }

    80% {
        transform: perspective(400px) rotateX(680deg) rotateY(340deg) rotateZ(170deg) scale(1.05) translateY(-5px);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.35);
    }

    100% {
        transform: perspective(400px) rotateX(720deg) rotateY(360deg) rotateZ(180deg) scale(1) translateY(0);
        box-shadow: var(--shadow-md);
    }
}

@keyframes diceGlow {

    0%,
    100% {
        filter: brightness(1);
    }

    25% {
        filter: brightness(1.5) drop-shadow(0 0 10px var(--color-primary));
    }

    50% {
        filter: brightness(1.3) drop-shadow(0 0 15px var(--color-secondary));
    }

    75% {
        filter: brightness(1.4) drop-shadow(0 0 8px var(--color-accent));
    }
}

@keyframes diceBounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-8px);
    }
}

.dice.rolling {
    animation:
        diceRoll3D 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        diceGlow 0.8s ease-in-out;
    pointer-events: none;
}

/* 擲骰後的彈跳效果 */
.dice.rolled {
    animation: diceBounce 0.3s ease-out;
}

/* 擲骰時手牌區的發光提示 */
.dice-hand.rolling-state {
    background: linear-gradient(180deg, rgba(139, 92, 246, 0.1), transparent);
    border-color: var(--color-primary);
}

/* 骰子出現動畫（依序出現） */
@keyframes diceAppear {
    0% {
        opacity: 0;
        transform: scale(0.3) rotateY(-180deg);
    }

    60% {
        opacity: 1;
        transform: scale(1.1) rotateY(20deg);
    }

    100% {
        transform: scale(1) rotateY(0deg);
    }
}

.dice.appearing {
    animation: diceAppear 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* ---------- Shatter Animation ---------- */
@keyframes shatter {
    0% {
        transform: scale(1);
        opacity: 1;
        filter: none;
    }

    50% {
        transform: scale(1.2);
        opacity: 0.8;
        filter: brightness(2);
    }

    100% {
        transform: scale(0.5);
        opacity: 0.3;
        filter: grayscale(100%);
    }
}

.dice.shattering {
    animation: shatter 0.6s ease-out forwards;
}

/* ---------- Tooltip ---------- */
.dice-tooltip {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-bg-dark);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(139, 92, 246, 0.3);
    white-space: nowrap;
    font-size: var(--font-size-sm);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: 100;
    pointer-events: none;
}

.dice:hover .dice-tooltip {
    opacity: 1;
    visibility: visible;
}

.dice-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--color-bg-dark);
}