/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #0c0c0c 0%, #1a1a2e 50%, #16213e 100%);
    color: #ffffff;
    overflow: visible !important;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

#gameContainer {
    position: relative;
    border: 2px solid #00ffff;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
    background: #000;
    overflow: visible !important;
}

#gameCanvas {
    display: block;
    background: linear-gradient(180deg, #001122 0%, #003366 50%, #002244 100%);
}

/* UI界面样式 */
#gameUI {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: visible !important;
    z-index: 100;
}

/* 菜单容器 - 独立的居中布局 */
#gameUI > .menu {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* HUD显示 - 重新设计 */
.hud {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 10;
    padding: 15px;
    display: none !important; /* 默认隐藏，!important确保优先级 */
}

/* 只在游戏进行时显示HUD */
body.game-playing .hud {
    display: grid !important;
    grid-template-areas: 
        "survival stats"
        "weapons effects";
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto 1fr;
    gap: 15px;
}

/* HUD区域定位 */
.hud-survival {
    grid-area: survival;
    justify-self: start;
    align-self: start;
}

.hud-stats {
    grid-area: stats;
    justify-self: end;
    align-self: start;
}

.hud-weapons {
    grid-area: weapons;
    justify-self: start;
    align-self: end;
}

.hud-effects {
    grid-area: effects;
    justify-self: end;
    align-self: end;
}

/* HUD区域样式 */
.hud-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* HUD项目基础样式 */
.hud-item {
    background: rgba(0, 0, 0, 0.8);
    border: 2px solid rgba(0, 255, 255, 0.6);
    border-radius: 12px;
    padding: 8px 12px;
    backdrop-filter: blur(5px);
    box-shadow: 0 4px 15px rgba(0, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.hud-item:hover {
    border-color: rgba(0, 255, 255, 0.9);
    box-shadow: 0 6px 20px rgba(0, 255, 255, 0.5);
}

/* 生命爱心显示 */
.lives-item {
    padding: 6px 10px;
}

.lives-container {
    display: flex;
    align-items: center;
    gap: 4px;
}

.heart {
    color: #ff0066;
    font-size: 20px;
    text-shadow: 0 0 8px rgba(255, 0, 102, 0.8);
    transition: all 0.3s ease;
    animation: heartbeat 2s ease-in-out infinite;
}

.heart.lost {
    color: #444444;
    text-shadow: none;
    animation: none;
    opacity: 0.4;
}

@keyframes heartbeat {
    0%, 50%, 100% {
        transform: scale(1);
    }
    25%, 75% {
        transform: scale(1.15);
    }
}

/* 血量显示 */
.hp-item {
    min-width: 140px;
}

.hp-container {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.hp-text {
    color: #00ffff;
    font-weight: bold;
    font-size: 14px;
    text-align: center;
    text-shadow: 0 0 5px rgba(0, 255, 255, 0.8);
}

.hp-bar-container {
    width: 100%;
    height: 10px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    border: 1px solid #00ffff;
    overflow: hidden;
    position: relative;
}

.hp-bar {
    height: 100%;
    background: linear-gradient(90deg, #00ff00, #44ff44);
    border-radius: 4px;
    transition: all 0.3s ease;
    box-shadow: 0 0 8px rgba(0, 255, 0, 0.6);
    width: 100%;
    position: relative;
}

.hp-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* 统计数据显示 */
.stat-container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.stat-icon {
    font-size: 18px;
    filter: drop-shadow(0 0 5px rgba(255, 255, 0, 0.8));
}

.stat-value {
    color: #ffff00;
    font-weight: bold;
    font-size: 16px;
    text-shadow: 0 0 5px rgba(255, 255, 0, 0.8);
    min-width: 60px;
    text-align: right;
}

/* 武器信息显示 */
.weapon-container {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 120px;
}

.weapon-label {
    color: #aaaaaa;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.weapon-name {
    color: #00ffff;
    font-weight: bold;
    font-size: 12px;
    text-shadow: 0 0 3px rgba(0, 255, 255, 0.6);
}

.weapon-level {
    color: #ffff00;
    font-size: 11px;
    text-shadow: 0 0 3px rgba(255, 255, 0, 0.6);
}

/* 状态效果显示 */
.effect-item {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(0, 0, 0, 0.9);
    border: 1px solid rgba(255, 255, 0, 0.6);
    border-radius: 8px;
    padding: 4px 8px;
    margin-bottom: 4px;
    backdrop-filter: blur(3px);
    animation: pulse 2s ease-in-out infinite;
}

.effect-item.hidden {
    display: none;
}

.effect-icon {
    font-size: 14px;
}

.effect-text {
    color: #ffff00;
    font-weight: bold;
    font-size: 12px;
    text-shadow: 0 0 3px rgba(255, 255, 0, 0.6);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 5px rgba(255, 255, 0, 0.3);
    }
    50% {
        box-shadow: 0 0 15px rgba(255, 255, 0, 0.6);
    }
}

/* 菜单样式 */
.menu {
    background: rgba(0, 0, 50, 0.95);
    border: 2px solid #00ffff;
    border-radius: 15px;
    padding: 30px;
    min-width: 300px;
    max-width: 450px;
    text-align: center;
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    pointer-events: auto;
}

.menu h1 {
    font-size: 36px;
    margin-bottom: 30px;
    color: #00ffff;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 3px;
}

.menu h2 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #00ffff;
    text-shadow: 0 0 8px rgba(0, 255, 255, 0.6);
}

.menu-btn {
    display: block;
    width: 100%;
    margin: 10px 0;
    padding: 12px 24px;
    background: linear-gradient(45deg, #003366, #0066cc);
    border: 2px solid #00ffff;
    border-radius: 8px;
    color: #ffffff;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.menu-btn:hover {
    background: linear-gradient(45deg, #0066cc, #0099ff);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.6);
    transform: translateY(-2px);
}

.menu-btn:active {
    transform: translateY(0);
}

/* 设置界面样式 */
.setting-item {
    margin: 15px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    pointer-events: auto;
    position: relative;
    z-index: 1001;
}

.setting-item label {
    font-size: 16px;
    color: #00ffff;
    text-shadow: 0 0 5px #00ffff;
    flex: 1;
    text-align: left;
}

.setting-item select,
.setting-item input {
    background: #003366;
    color: #ffffff;
    border: 1px solid #00ffff;
    border-radius: 5px;
    padding: 8px 12px;
    font-size: 14px;
    outline: none;
    appearance: menulist;
    -webkit-appearance: menulist;
    pointer-events: auto;
    position: relative;
    z-index: 1002;
}

.setting-item select:focus,
.setting-item input:focus {
    box-shadow: 0 0 8px #00ffff;
    border-color: #66ffff;
}

.setting-item select option {
    background: #003366;
    color: #ffffff;
}

/* 自定义下拉框样式增强 */
.custom-dropdown {
    position: relative !important;
    z-index: 99999 !important;
    pointer-events: auto !important;
}

.custom-options {
    position: absolute !important;
    top: 100% !important;
    left: 0 !important;
    right: 0 !important;
    z-index: 999999 !important;
    pointer-events: auto !important;
    box-shadow: 0 4px 12px rgba(0, 255, 255, 0.3) !important;
}

/* 排行榜样式 */
#leaderboardList {
    max-height: 300px;
    overflow-y: auto;
    margin: 20px 0;
}

.leaderboard-item {
    display: flex;
    justify-content: space-between;
    padding: 8px;
    margin: 5px 0;
    background: rgba(0, 51, 102, 0.3);
    border-radius: 5px;
    border-left: 3px solid #00ffff;
}

/* 成就系统样式 */
#achievementsList {
    max-height: 400px;
    overflow-y: auto;
    margin: 20px 0;
}

.achievement-item {
    display: flex;
    align-items: center;
    padding: 10px;
    margin: 8px 0;
    background: rgba(0, 51, 102, 0.2);
    border-radius: 8px;
    border-left: 4px solid #ffaa00;
}

.achievement-item.completed {
    border-left-color: #00ff00;
    background: rgba(0, 102, 51, 0.2);
}

.achievement-icon {
    width: 40px;
    height: 40px;
    background: #ffaa00;
    border-radius: 50%;
    margin-right: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.achievement-item.completed .achievement-icon {
    background: #00ff00;
}

.achievement-info {
    flex: 1;
    text-align: left;
}

.achievement-title {
    font-weight: bold;
    color: #00ffff;
    margin-bottom: 5px;
}

.achievement-description {
    font-size: 12px;
    color: #cccccc;
}

/* 控制说明 */
.controls {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid #00ffff;
    font-size: 12px;
    color: #00ffff;
    pointer-events: none;
}

/* 隐藏类 */
.hidden {
    display: none !important;
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; transform: translate(-50%, -60%); }
    to { opacity: 1; transform: translate(-50%, -50%); }
}

.menu {
    animation: fadeIn 0.3s ease-out;
}

/* 响应式设计 */
@media (max-width: 900px) {
    #gameContainer {
        border: none;
        border-radius: 0;
    }
    
    #gameCanvas {
        width: 100vw;
        height: 100vh;
    }
    
    .menu {
        width: 90%;
        max-width: 400px;
    }
    
    .controls {
        font-size: 10px;
        bottom: 5px;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #00ffff;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0099cc;
}

/* 连击显示 */
.combo-display {
    display: flex !important;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: rgba(255, 100, 0, 0.2);
    border: 2px solid #ff6600;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(255, 100, 0, 0.3);
    animation: comboGlow 1s ease-in-out infinite alternate;
}

.combo-icon {
    font-size: 16px;
    color: #ffaa00;
}

.combo-value {
    font-size: 18px;
    font-weight: bold;
    color: #ffffff;
    text-shadow: 0 0 5px #ff6600;
}

.combo-text {
    font-size: 12px;
    color: #ffccaa;
    text-transform: uppercase;
    letter-spacing: 1px;
}

@keyframes comboGlow {
    from {
        box-shadow: 0 0 10px rgba(255, 100, 0, 0.3);
    }
    to {
        box-shadow: 0 0 20px rgba(255, 100, 0, 0.6);
    }
}