/* 灯谜游戏 - 元宵五常灯会 */
.lantern-page {
    overflow: hidden; background: #050010; color: #fff;
    font-family: 'Microsoft YaHei', sans-serif;
    position: relative;
    width: 100%;
    min-height: calc(100vh - 190px);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}
.lantern-page canvas {
    display: block;
    touch-action: none;
}

#lr-ui {
    position: absolute; bottom: 32px; width: 100%; text-align: center;
    pointer-events: none; z-index: 10;
}
#riddle-box {
    display: inline-block; background: rgba(30, 5, 40, 0.9);
    border: 1px solid #ffd700; padding: 24px 28px; border-radius: var(--radius-md);
    box-shadow: 0 0 40px rgba(255, 215, 0, 0.4); max-width: 550px;
    opacity: 0; transform: translateY(30px); transition: all 0.5s;
    pointer-events: auto; backdrop-filter: blur(15px);
}
#riddle-box.active { opacity: 1; transform: translateY(0); }
#riddle-box.shake { animation: lr-shake 0.24s linear; }
#riddle-text { font-size: clamp(18px, 4vw, 22px); margin-bottom: 20px; line-height: 1.6; color: #ffd700; }

#riddle-box input {
    background: rgba(255,255,255,0.05); border: 1px solid #ffd700; border-radius: 8px;
    color: #fff; font-size: 18px; text-align: center; padding: 12px; outline: none; width: min(280px, 70vw);
}

#lr-hud {
    position: absolute; top: 20px; left: 0; width: 100%;
    display: flex; justify-content: space-between; gap: 12px; padding: 0 24px; box-sizing: border-box;
    pointer-events: none; z-index: 10;
}
.lr-hud-item {
    font-size: 16px; font-weight: bold; text-shadow: 0 0 10px rgba(255,255,255,0.5);
    background: rgba(0,0,0,0.5); padding: 10px 16px; border-radius: 999px;
    border: 1px solid rgba(255,215,0,0.3);
}

@media (max-width: 640px) {
    .lantern-page {
        min-height: calc(100vh - 160px);
    }

    #lr-hud {
        flex-direction: column;
        align-items: flex-start;
        padding: 0 14px;
    }

    #riddle-box {
        max-width: calc(100vw - 56px);
        padding: 20px 18px;
    }
}

/* 过场动画层 */
#lr-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: #000; display: flex; justify-content: center; align-items: center;
    z-index: 100; transition: opacity 1s; flex-direction: column;
}
#lr-overlay.hidden { opacity: 0; pointer-events: none; }

@keyframes lr-shake {
    0% { transform: translateY(0) translateX(0); }
    25% { transform: translateY(0) translateX(-10px); }
    50% { transform: translateY(0) translateX(8px); }
    75% { transform: translateY(0) translateX(-6px); }
    100% { transform: translateY(0) translateX(0); }
}