@charset "UTF-8";
/* ===== 赛博朋克深渊风格 ===== */
:root {
    --neon-cyan: #00f7ff;
    --neon-magenta: #ff00aa;
    --neon-purple: #b300ff;
    --dark-bg: #0a0c0f;
    --grid-color: rgba(0, 247, 255, 0.15);
    --glow-strong: 0 0 15px var(--neon-cyan), 0 0 30px #00a6ff;
}

* {
    box-sizing: border-box;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    background-color: #000;
    font-family: 'Share Tech Mono', 'Courier New', monospace;
    overflow: hidden;
}

/* 主容器——响应式flex，画布永远居中且正方形 */
.cyber-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100vw;
    height: 100vh;
    background: radial-gradient(circle at 20% 30%, #1a1e2f, #030405);
}

.canvas-hud-wrapper {
    position: relative;
    width: min(100vw, 100vh);  /* 正方形，适配手机/平板/桌面 */
    height: min(100vw, 100vh);
    box-shadow: 0 0 40px rgba(255, 0, 255, 0.4), inset 0 0 30px rgba(0, 255, 255, 0.3);
    border: 2px solid var(--neon-cyan);
    border-radius: 12px;
    overflow: hidden;
}

#gameCanvas {
    display: block;
    width: 100%;
    height: 100%;
    background-color: #010101;  /* 纯黑底，网格由JS绘制 */
    cursor: none;  /* 隐藏默认鼠标，更沉浸 */
}

/* 全息平视显示器 */
.hud-top {
    position: absolute;
    top: 6px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 12px;
    pointer-events: none;
    z-index: 10;
    text-shadow: 0 0 8px magenta, 0 0 16px cyan;
    font-size: clamp(14px, 4vw, 22px);
    letter-spacing: 3px;
}

.game-title {
    color: var(--neon-cyan);
    font-weight: 900;
    text-transform: uppercase;
    background: linear-gradient(45deg, #00f7ff, #ff00aa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 8px #00f7ff);
}

/* 故障毛刺效果 */
.glitch {
    position: relative;
    animation: glitch-skew 4s infinite linear alternate;
}

@keyframes glitch-skew {
    0% { transform: skew(0deg); }
    20% { transform: skew(2deg); }
    40% { transform: skew(-2deg); }
    60% { transform: skew(1deg); }
    80% { transform: skew(-1deg); }
    100% { transform: skew(0deg); }
}

.player-score {
    color: #fff;
    background: rgba(0, 255, 255, 0.15);
    backdrop-filter: blur(2px);
    padding: 4px 14px;
    border: 1px solid var(--neon-magenta);
    border-radius: 30px;
    font-size: 0.9em;
    box-shadow: 0 0 20px #ff00aa;
    white-space: nowrap;
}

.hud-corner {
    position: absolute;
    bottom: 10px;
    right: 15px;
    color: #8a2be2;
    font-size: clamp(10px, 2.5vw, 14px);
    writing-mode: horizontal-tb;
    text-transform: uppercase;
    opacity: 0.7;
    letter-spacing: 3px;
    border-left: 2px solid #ff00aa;
    padding-left: 8px;
    z-index: 10;
    text-shadow: 0 0 5px magenta;
}

.cyber-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    text-align: center;
    color: rgba(0, 247, 255, 0.5);
    font-size: 11px;
    padding: 4px;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(2px);
    border-top: 1px dashed var(--neon-cyan);
    z-index: 20;
    letter-spacing: 2px;
}

/* 移动设备优化: 去掉footer避免遮挡 */
@media (max-width: 600px) {
    .cyber-footer {
        font-size: 8px;
        padding: 2px;
    }
    .hud-top {
        padding: 0 8px;
    }
    .player-score {
        padding: 2px 8px;
    }
}