/* ==========================================================================
   围住神经猫 - 游戏专属样式
   ========================================================================== */

/* 道具栏样式 */
.powerup-bar {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: none;
    gap: 12px;
    padding: 10px 16px;
    background: var(--glass-bg);
    backdrop-filter: var(--element-blur);
    -webkit-backdrop-filter: var(--element-blur);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--shadow-soft), var(--neon-shadow);
    z-index: 5;
}

.powerup-btn {
    position: relative;
    width: 60px;
    height: 60px;
    border: 2px solid rgba(0, 242, 255, 0.3);
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.5);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.powerup-btn:hover:not(:disabled) {
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(0, 242, 255, 0.5);
    transform: scale(1.05);
}

.powerup-btn:active:not(:disabled) {
    transform: scale(0.95);
}

.powerup-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.powerup-icon {
    font-size: 24px;
    margin-bottom: 2px;
    color: #00f2ff;
    display: flex;
    align-items: center;
    justify-content: center;
}

.powerup-count {
    position: absolute;
    top: -6px;
    right: -6px;
    min-width: 20px;
    height: 20px;
    background: var(--accent-color);
    color: white;
    font-size: 12px;
    font-weight: bold;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(255, 0, 127, 0.5);
}

/* 冻结效果动画 */
.frozen-effect {
    animation: freezePulse 1s ease-in-out infinite;
}

@keyframes freezePulse {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.3) hue-rotate(180deg); }
}

/* 透视路径高亮 */
.path-highlight {
    animation: pathGlow 0.8s ease-in-out infinite alternate;
}

@keyframes pathGlow {
    from { opacity: 0.6; }
    to { opacity: 1; }
}

/* 炸弹爆炸动画 */
.bomb-explosion {
    animation: explode 0.5s ease-out forwards;
}

@keyframes explode {
    0% { 
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.5);
        opacity: 0.8;
        background: radial-gradient(circle, #ff6b00 0%, #ff007f 50%, transparent 70%);
    }
    100% { 
        transform: scale(2);
        opacity: 0;
    }
}

/* HUD 时间警告样式 */
.hud-value.warning {
    color: #ff6b00 !important;
    animation: timerWarning 0.5s ease-in-out infinite;
}

@keyframes timerWarning {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* 关卡提示 */
.level-indicator {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    font-weight: bold;
    color: var(--primary-color);
    text-shadow: 0 0 20px rgba(0, 242, 255, 0.8);
    z-index: 200;
    pointer-events: none;
    animation: levelShow 2s ease-out forwards;
}

@keyframes levelShow {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.5);
    }
    20% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.2);
    }
    80% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(1.5);
    }
}