/* CRT显示器效果样式 */

/* CRT容器 - 模拟老式显示器外壳 */
#crt-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: #1a1a1a;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    z-index: 1; /* CRT容器作为基础层 */
}

/* CRT屏幕区域 */
#crt-screen {
    position: relative;
    width: 95%;
    height: 95%;
    background: #000;
    border: 20px solid #2a2a2a;
    border-radius: 8px;
    box-shadow: 
        inset 0 0 50px rgba(0, 0, 0, 0.8),
        0 0 30px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

/* 扫描线效果 */
#crt-screen::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.15),
        rgba(0, 0, 0, 0.15) 1px,
        transparent 1px,
        transparent 2px
    );
    pointer-events: none;
    z-index: 1000;
    animation: scanlines 8s linear infinite;
}

@keyframes scanlines {
    0% { transform: translateY(0); }
    100% { transform: translateY(2px); }
}

/* 屏幕曲率效果(使用伪元素实现边缘暗化) */
#crt-screen::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(
        ellipse at center,
        transparent 0%,
        transparent 60%,
        rgba(0, 0, 0, 0.3) 80%,
        rgba(0, 0, 0, 0.6) 100%
    );
    pointer-events: none;
    z-index: 999;
}

/* CRT屏幕反光效果 */
.crt-glare {
    position: absolute;
    top: 5%;
    left: 10%;
    width: 40%;
    height: 30%;
    background: radial-gradient(
        ellipse at center,
        rgba(255, 255, 255, 0.05) 0%,
        transparent 70%
    );
    pointer-events: none;
    z-index: 998;
    transform: rotate(-15deg);
}

/* CRT绿色磷光效果 */
.crt-phosphor {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 255, 0, 0.02);
    pointer-events: none;
    z-index: 997;
    mix-blend-mode: screen;
}

/* 待机指示灯 */
.power-indicator {
    position: absolute;
    bottom: 15px;
    right: 15px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #00ff00;
    box-shadow: 0 0 10px #00ff00;
    animation: power-pulse 2s ease-in-out infinite;
    z-index: 1001;
}

@keyframes power-pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

.power-indicator.off {
    background: #333;
    box-shadow: none;
    animation: none;
    opacity: 0.5;
}

/* 游戏画布 - 放在CRT屏幕内 */
#crt-screen canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    z-index: 1; /* 确保canvas在CRT效果层之下但高于背景 */
}

/* CRT文本样式 */
.crt-text {
    font-family: 'Courier New', 'Consolas', monospace;
    color: #00ff00;
    text-shadow: 0 0 5px #00ff00;
    letter-spacing: 0.05em;
}

.crt-text-dim {
    color: #00aa00;
    text-shadow: 0 0 3px #00aa00;
}

.crt-text-bright {
    color: #88ff88;
    text-shadow: 0 0 8px #00ff00;
}

/* CRT闪烁效果 */
@keyframes crt-flicker {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.95; }
}

.crt-flicker {
    animation: crt-flicker 0.15s infinite;
}

/* CRT开机/关机过渡效果 */
.crt-transition {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #fff;
    pointer-events: none;
    z-index: 2000;
}

/* 通知样式 */
.notification {
    animation: notification-enter 0.3s ease-out;
}

@keyframes notification-enter {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    #crt-screen {
        border-width: 10px;
    }
    
    .power-indicator {
        width: 8px;
        height: 8px;
        bottom: 10px;
        right: 10px;
    }
}

/* 调试模式：显示UI层级边界 */
body.debug-ui [id^="ui-layer-"] {
    outline: 1px dashed rgba(255, 0, 0, 0.3);
}

body.debug-ui [id^="ui-layer-"]::before {
    content: attr(id);
    position: absolute;
    top: 5px;
    left: 5px;
    font-size: 10px;
    color: rgba(255, 0, 0, 0.7);
    background: rgba(0, 0, 0, 0.8);
    padding: 2px 5px;
    pointer-events: none;
    z-index: 10000;
}