/**
 * 主菜单界面样式 - Cute Game UI 风格
 */

/* ===== CSS 变量系统 - 马卡龙色系 ===== */
:root {
    /* 背景色 */
    --bg-primary: #FAF9FB;        /* 极浅紫白色 */
    --bg-card: #FFFFFF;           /* 纯白卡片 */

    /* 主色调 - 粉紫色系 */
    --color-primary: #E0B4E8;     /* 柔和粉紫色 */
    --color-primary-dark: #C896D4;
    --color-primary-light: #F2E0F5;

    /* 次要色 - 蓝色系 */
    --color-secondary: #C8E4F9;   /* 淡天蓝色 */
    --color-secondary-dark: #A3D4F2;
    --color-secondary-light: #E8F4FC;

    /* 强调色 - 黄色系 */
    --color-accent: #FFF4D6;      /* 奶黄色 */
    --color-accent-dark: #FFE9B3;

    /* 图表色彩（彩虹色系） */
    --color-chart-1: #E0B4E8;     /* 粉紫 */
    --color-chart-2: #C8E4F9;     /* 天蓝 */
    --color-chart-3: #FFF4D6;     /* 奶黄 */
    --color-chart-4: #B8E6D5;     /* 薄荷绿 */
    --color-chart-5: #D8BBDF;     /* 淡紫 */

    /* 边框和分割线 */
    --border-color: #F0EEF2;      /* 极浅紫灰 */
    --border-light: #F8F7F9;

    /* 文字色 */
    --text-primary: #5A4963;      /* 深紫灰 */
    --text-secondary: #8F7B96;    /* 中紫灰 */
    --text-muted: #C3B8C8;        /* 浅紫灰 */

    /* 圆角系统 */
    --radius-sm: 20px;            /* 小圆角 */
    --radius-md: 22px;            /* 中圆角 */
    --radius-lg: 24px;            /* 大圆角 */
    --radius-xl: 28px;            /* 超大圆角 */

    /* 阴影系统 */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
}

/* ===== 主菜单容器 ===== */
.main-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    z-index: 100;
    overflow-y: auto;
}

.menu-container {
    flex: 1;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
    display: grid;
    grid-template-rows: auto 1fr auto;
    gap: 24px;
}

/* ===== 顶部导航栏 ===== */
.top-navbar {
    height: 70px;
    background: #FFFFFF !important; /* 强制纯白背景 */
    border-bottom: 2px solid #E0B4E8 !important; /* 明显的粉紫色边框用于测试 */
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1) !important;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 30px;
    animation: fadeInDown 0.5s ease-out;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.navbar-logo:hover .logo-icon {
    transform: scale(1.05);
}

.logo-icon {
    font-size: 28px;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-chart-5) 100%);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.logo-text {
    font-size: 24px;
    font-weight: bold;
    color: var(--text-primary);
}

.navbar-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.navbar-coin-display {
    background: linear-gradient(135deg, var(--color-accent) 0%, #FFF9E8 100%);
    padding: 10px 18px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-accent-dark);
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    cursor: pointer;
}

.navbar-coin-display:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.coin-icon {
    font-size: 22px;
}

.coin-amount {
    font-size: 17px;
    font-weight: 700;
}

.navbar-icon-btn {
    width: 48px;
    height: 48px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-xs);
    padding: 0;
}

.navbar-icon-btn img {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.navbar-icon-btn:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-md);
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== 游戏标题（旧版已移除） ===== */
.game-title {
    text-align: center;
    margin-bottom: 30px;
    animation: titleBounce 1s ease-out;
}

@keyframes titleBounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-15px);
    }
    60% {
        transform: translateY(-7px);
    }
}

.game-title h1 {
    font-size: 42px;
    font-weight: bold;
    color: var(--text-primary);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin: 0;
    letter-spacing: 2px;
}

.game-title .subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    margin: 10px 0 0 0;
    letter-spacing: 1px;
}

/* ===== 玩家信息 + 每日挑战双卡片区域 ===== */
.player-daily-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 20px;
    animation: fadeInUp 0.6s ease-out 0.1s backwards;
}

/* 新版玩家信息卡片 */
.player-card-new {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 24px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 20px;
    align-items: center;
    transition: all 0.3s ease;
}

.player-card-new:hover {
    box-shadow: var(--shadow-md);
}

.player-info-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.player-level-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.level-badge-compact {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-chart-5) 100%);
    padding: 4px 10px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-primary-dark);
    border: 1px solid var(--color-primary);
}

.level-title-compact {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.exp-bar-compact {
    position: relative;
    height: 12px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.exp-bar-fill-compact {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-accent) 100%);
    border-radius: 10px;
    transition: width 0.5s ease;
}

.exp-text-compact {
    font-size: 11px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* 每日挑战卡片 */
.daily-challenge-card {
    background: linear-gradient(135deg, var(--color-accent) 0%, #FFF9E8 100%);
    border-radius: var(--radius-lg);
    padding: 24px;
    border: 1px solid var(--color-accent-dark);
    box-shadow: var(--shadow-sm);
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.daily-challenge-card::before {
    content: '⭐';
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 32px;
    opacity: 0.3;
    animation: float 3s ease-in-out infinite;
}

.daily-challenge-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.daily-challenge-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.daily-challenge-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 8px 0;
}

.daily-challenge-desc {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0 0 16px 0;
}

.daily-challenge-status {
    font-size: 12px;
    color: var(--color-primary-dark);
    font-weight: 600;
    margin-bottom: 16px;
}

.daily-challenge-btn {
    width: 100%;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-chart-5) 100%);
    border: none;
    border-radius: 16px;
    color: white;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-xs);
}

.daily-challenge-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

/* ===== 旧版玩家信息卡片（保留兼容） ===== */
.player-info-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s ease;
}

.player-info-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.player-avatar {
    font-size: 48px;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-chart-5) 100%);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: all 0.3s ease;
    overflow: hidden;
    position: relative;
}

.player-avatar:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.player-avatar:active {
    transform: scale(0.95);
}

.player-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.player-avatar span {
    font-size: 48px;
}

.player-stats {
    flex: 1;
}

.player-name {
    font-size: 20px;
    font-weight: bold;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.player-level {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.level-badge {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-chart-5) 100%);
    padding: 5px 12px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary-dark);
    border: 1px solid var(--color-primary);
    box-shadow: var(--shadow-xs);
}

.level-title {
    font-size: 15px;
    color: var(--text-secondary);
    font-weight: 500;
}

.exp-bar {
    position: relative;
    height: 20px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.exp-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-accent) 100%);
    border-radius: 12px;
    transition: width 0.5s ease;
    box-shadow: 0 0 8px rgba(224, 180, 232, 0.3);
}

.exp-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 11px;
    font-weight: 600;
    color: var(--text-primary);
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
}

/* ===== 游戏模式网格区域 ===== */
.game-modes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    animation: fadeInUp 0.7s ease-out 0.2s backwards;
}

/* 新版模式卡片 */
.mode-card-new {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 30px 24px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.mode-card-new::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.mode-card-new:hover::before {
    left: 100%;
}

.mode-card-new:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.mode-icon-large {
    font-size: 64px;
    margin-bottom: 16px;
    display: block;
    animation: float 3s ease-in-out infinite;
}

.mode-name {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.mode-stats {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mode-start-btn {
    width: 100%;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-chart-5) 100%);
    border: none;
    border-radius: 16px;
    color: white;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-xs);
}

.mode-start-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

/* 模式专属颜色 */
.mode-card-classic:hover {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, rgba(224, 180, 232, 0.05) 0%, transparent 100%);
}

.mode-card-level:hover {
    border-color: var(--color-secondary);
    background: linear-gradient(135deg, rgba(200, 228, 249, 0.05) 0%, transparent 100%);
}

.mode-card-endless:hover {
    border-color: var(--color-chart-4);
    background: linear-gradient(135deg, rgba(184, 230, 213, 0.05) 0%, transparent 100%);
}

/* ===== 旧版模式卡片（保留兼容） ===== */
.game-modes {
    margin-bottom: 30px;
}

.section-title {
    font-size: 20px;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 20px;
    font-weight: 600;
}

.mode-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.mode-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.mode-card:hover::before {
    left: 100%;
}

.mode-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.mode-card:active {
    transform: translateY(-2px);
}

/* 特殊模式卡片（每日挑战） */
.mode-card-special {
    background: linear-gradient(135deg, var(--color-accent) 0%, #FFF9E8 100%);
    border: 1px solid var(--color-accent-dark);
}

.mode-card-special:hover {
    border-color: var(--color-accent-dark);
    box-shadow: var(--shadow-md);
}

.mode-ribbon {
    position: absolute;
    top: 10px;
    right: -30px;
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    color: #333;
    padding: 4px 40px;
    font-size: 12px;
    font-weight: bold;
    transform: rotate(45deg);
    box-shadow: 0 2px 8px rgba(255, 215, 0, 0.5);
}

.mode-icon {
    font-size: 48px;
    min-width: 60px;
    text-align: center;
}

.mode-info {
    flex: 1;
}

.mode-info h3 {
    font-size: 18px;
    color: var(--text-primary);
    margin: 0 0 8px 0;
    font-weight: 600;
}

.mode-info p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0 0 12px 0;
}

.mode-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.feature-tag {
    background: var(--color-primary-light);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    color: var(--color-primary-dark);
    border: 1px solid var(--color-primary);
}

.mode-best-score,
.mode-progress,
.mode-status {
    font-size: 14px;
    color: var(--text-primary);
    background: var(--color-secondary-light);
    padding: 8px 16px;
    border-radius: 12px;
    white-space: nowrap;
    min-width: 100px;
    text-align: center;
    border: 1px solid var(--color-secondary);
}

.mode-best-score span,
.mode-progress span {
    font-weight: bold;
    color: var(--color-secondary-dark);
}

/* ===== 快速功能区 ===== */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    animation: fadeInUp 0.8s ease-out 0.3s backwards;
}

.quick-action-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.quick-action-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.quick-action-btn:hover::before {
    left: 100%;
}

.quick-action-btn:hover {
    background: var(--color-accent);
    border-color: var(--color-accent-dark);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.quick-action-icon {
    font-size: 40px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-light);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.quick-action-btn:hover .quick-action-icon {
    transform: scale(1.1) rotate(5deg);
}

.quick-action-label {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

/* ===== 旧版菜单按钮区域（保留兼容） ===== */
.menu-actions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.menu-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 16px 24px;
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: var(--shadow-xs);
}

.menu-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: var(--color-accent);
    border-color: var(--color-accent-dark);
}

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

.btn-icon {
    font-size: 20px;
}

/* ===== 返回菜单按钮 ===== */
.back-to-menu-btn {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #E0B4E8 0%, #D8BBDF 100%);  /* 粉紫色渐变 */
    border: 2px solid #C896D4;  /* 深粉紫边框 */
    border-radius: var(--radius-lg);  /* 大圆角 24px */
    padding: 14px 36px;
    color: #FFFFFF;  /* 白色文字 */
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(224, 180, 232, 0.4);
    z-index: 1000;
}

.back-to-menu-btn:hover {
    transform: translateX(-50%) translateY(-4px);
    box-shadow: 0 6px 20px rgba(224, 180, 232, 0.6);
    background: linear-gradient(135deg, #C896D4 0%, #B87DC4 100%);  /* 悬停时颜色加深 */
    border-color: #B87DC4;
}

.back-to-menu-btn:active {
    transform: translateX(-50%) translateY(-2px);
}

/* ===== 响应式设计 ===== */

/* 平板端 (768px - 1024px) */
@media (max-width: 1024px) {
    .menu-container {
        max-width: 960px;
        padding: 20px;
        gap: 20px;
    }

    .top-navbar {
        padding: 0 20px;
    }

    .logo-text {
        font-size: 20px;
    }

    .game-modes-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .mode-card-new:last-child {
        grid-column: 1 / -1;
        max-width: 50%;
        margin: 0 auto;
    }
}

/* 移动端 (< 768px) */
@media (max-width: 768px) {
    /* 隐藏滚动条但保持可滚动 */
    .main-menu::-webkit-scrollbar {
        display: none;
    }

    .main-menu {
        -ms-overflow-style: none;  /* IE and Edge */
        scrollbar-width: none;  /* Firefox */
    }

    .menu-container {
        padding: 16px;
        gap: 16px;
    }

    .top-navbar {
        height: 56px;
        padding: 0 16px;
    }

    .logo-icon {
        font-size: 28px;
    }

    .logo-text {
        font-size: 18px;
    }

    .navbar-coin-display {
        padding: 6px 12px;
        font-size: 14px;
    }

    .coin-icon {
        font-size: 18px;
    }

    .navbar-icon-btn {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }

    /* 双卡片区域变为单列 */
    .player-daily-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .player-card-new {
        padding: 20px;
    }

    .daily-challenge-card {
        padding: 20px;
    }

    /* 游戏模式变为单列 */
    .game-modes-grid {
        grid-template-columns: 1fr;
    }

    .mode-card-new:last-child {
        grid-column: unset;
        max-width: 100%;
        margin: 0;
    }

    .mode-icon-large {
        font-size: 56px;
    }

    .mode-name {
        font-size: 18px;
    }

    /* 快速功能区变为2x2 */
    .quick-actions {
        grid-template-columns: repeat(2, 1fr);
    }

    .quick-action-icon {
        font-size: 28px;
    }

    .quick-action-label {
        font-size: 13px;
    }
}

/* 小屏手机 (< 480px) */
@media (max-width: 480px) {
    /* 隐藏滚动条但保持可滚动 */
    .main-menu::-webkit-scrollbar {
        display: none;
    }

    .main-menu {
        -ms-overflow-style: none;  /* IE and Edge */
        scrollbar-width: none;  /* Firefox */
    }

    .menu-container {
        padding: 12px;
        gap: 12px;
    }

    .top-navbar {
        height: 52px;
        padding: 0 12px;
    }

    .logo-icon {
        font-size: 24px;
    }

    .logo-text {
        font-size: 16px;
    }

    .navbar-actions {
        gap: 8px;
    }

    .navbar-coin-display {
        padding: 4px 10px;
        font-size: 13px;
    }

    .navbar-icon-btn {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }

    .player-card-new {
        padding: 16px;
        grid-template-columns: 1fr;
        text-align: center;
    }

    .player-avatar {
        margin: 0 auto;
    }

    .player-level-row {
        justify-content: center;
    }

    .daily-challenge-card {
        padding: 16px;
    }

    .daily-challenge-icon {
        font-size: 40px;
    }

    .mode-card-new {
        padding: 24px 20px;
    }

    .mode-icon-large {
        font-size: 48px;
    }

    .quick-action-btn {
        padding: 12px;
    }

    .quick-action-icon {
        font-size: 24px;
    }

    .quick-action-label {
        font-size: 12px;
    }
}

/* ===== 旧版响应式（保留兼容） ===== */
@media (max-width: 768px) {
    .main-menu {
        align-items: flex-start;  /* 改为顶部对齐，避免内容被遮挡 */
        overflow-y: auto;  /* 允许垂直滚动 */
        padding: 10px;  /* 减小padding */
    }

    .menu-container {
        padding: 15px;
        margin: 10px 0 80px 0;  /* 添加底部边距，避免被按钮遮挡 */
    }

    .game-title h1 {
        font-size: 42px;
    }

    .player-info-card {
        flex-direction: column;
        text-align: center;
    }

    .player-avatar {
        font-size: 50px;
        width: 100px;
        height: 100px;
    }

    .player-avatar span {
        font-size: 50px;
    }

    .mode-card {
        flex-direction: column;
        text-align: center;
    }

    .mode-icon {
        font-size: 40px;
    }

    .mode-info h3 {
        font-size: 20px;
    }

    .mode-features {
        justify-content: center;
    }

    .menu-actions {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .game-title h1 {
        font-size: 36px;
    }

    .mode-card {
        padding: 15px;
    }

    .mode-icon {
        font-size: 36px;
    }

    .mode-info h3 {
        font-size: 18px;
    }

    .back-to-menu-btn {
        padding: 0;
        font-size: 24px;
        position: fixed;  /* 移动端改为固定定位 */
        top: 10px;  /* 左上角 */
        left: 10px;  /* 左上角 */
        transform: none;  /* 移除transform */
        margin: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 48px;  /* 圆形按钮宽度 */
        height: 48px;  /* 圆形按钮高度 */
        border-radius: 50%;  /* 圆形 */
        z-index: 1001;  /* 确保在最上层 */
    }

    /* 移动端只显示箭头 */
    .back-to-menu-btn::before {
        content: '←';
    }

    /* 隐藏原始文本 */
    @media (max-width: 768px) {
        .back-to-menu-btn {
            color: transparent;
            overflow: hidden;
        }
        .back-to-menu-btn::before {
            color: #FFFFFF;
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
        }

        /* 移动端圆形按钮悬停效果 */
        .back-to-menu-btn:hover {
            transform: scale(1.1);
        }

        .back-to-menu-btn:active {
            transform: scale(0.95);
        }
    }
}

/* ===== 主菜单等级信息栏样式（Cute Game UI 风格） ===== */

.level-info-bar-menu {
    width: 100%;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-secondary-light) 100%);
    padding: 12px 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-top: 10px;
}

.level-badge-menu {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.level-number-menu {
    font-size: 18px;
    font-weight: bold;
    color: var(--color-primary-dark);
    padding: 6px 12px;
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--color-primary);
    box-shadow: var(--shadow-xs);
}

.level-title-text-menu {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.exp-container-menu {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.exp-bar-wrapper-menu {
    width: 100%;
    height: 16px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(224, 180, 232, 0.3);
}

.exp-bar-fill-menu {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-accent) 100%);
    border-radius: 12px;
    transition: width 0.5s ease;
    position: relative;
    box-shadow: 0 0 8px rgba(224, 180, 232, 0.3);
}

.exp-bar-fill-menu::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: expShineMenu 2s infinite;
}

@keyframes expShineMenu {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.exp-text-display-menu {
    font-size: 11px;
    color: var(--text-secondary);
    text-align: right;
    font-weight: 500;
}