:root {
    /* 核心色彩 - 健康饮食的清新自然绿 */
    --clr-primary: 152 65% 42%; /* 清新的翡翠绿/蔬菜绿 */
    --clr-primary-hover: 152 70% 32%;
    --clr-surface: 0 0% 100%;
    --clr-background: 130 20% 98%; /* 极淡的暖绿色底 */
    
    /* 文字颜色 */
    --clr-text-main: 152 30% 12%; /* 深墨绿色代替纯黑 */
    --clr-text-muted: 152 10% 45%;
    
    /* 边框和毛玻璃 */
    --clr-border: 214 32% 91%;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);

    /* 辅助色 */
    --clr-meat: 348 83% 47%; /* 红色 */
    --clr-veg: 142 71% 45%;  /* 绿色 */
    --clr-soup: 45 93% 47%;  /* 黄色 */
    
    /* 动画与过渡 */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* 间距与圆角 */
    --radius-md: 12px;
    --radius-lg: 24px;
    --radius-full: 9999px;
}

/* 深色模式变量 */
html.dark {
    --clr-primary: 152 60% 45%; /* 深色模式下略微明亮一些的绿色 */
    --clr-surface: 152 20% 10%;
    --clr-background: 152 25% 6%;
    
    --clr-text-main: 0 0% 98%;
    --clr-text-muted: 152 15% 65%;
    
    --clr-border: 152 20% 18%;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

/* ======= 全局重置 ======= */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: hsl(var(--clr-text-main));
    background-color: hsl(var(--clr-background));
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* 优雅的衬线字体用于大标题 */
.serif-title, h1, h2, h3 {
    font-family: 'Noto Serif SC', 'Playfair Display', serif;
    font-weight: 600;
}

/* ======= 流光背景动效 ======= */
.bg-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    z-index: -1;
    pointer-events: none;
    animation: drift 20s infinite alternate ease-in-out;
}
.bg-glow-1 {
    top: -10%; left: -10%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, hsla(var(--clr-primary), 0.3), transparent 70%);
}
.bg-glow-2 {
    bottom: -10%; right: -10%;
    width: 500px; height: 500px;
    background: radial-gradient(circle, hsla(90, 80%, 45%, 0.2), transparent 70%); /* 果绿色的流光 */
}

@keyframes drift {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 50px) scale(1.1); }
}

/* ======= 布局 ======= */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* ======= 头部 ======= */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    animation: fadeInDown 0.6s ease-out;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: hsl(var(--clr-primary));
}
.logo h1 {
    font-size: 1.75rem;
    color: hsl(var(--clr-text-main));
}
.logo span {
    color: hsl(var(--clr-primary));
}

.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    color: hsl(var(--clr-text-muted));
    padding: 8px;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}
.btn-icon:hover {
    background: hsla(var(--clr-text-main), 0.05);
    color: hsl(var(--clr-text-main));
    transform: scale(1.05);
}

/* ======= 毛玻璃卡片通用类 ======= */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    padding: 2rem;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}
/* 鼠标悬浮时产生微妙浮动效果 */
.glass-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.1);
}

/* ======= 随机抽取区 ======= */
.randomizer-section {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    overflow: hidden;
    padding: 3rem 2rem;
}

.randomizer-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 4px;
    background: linear-gradient(90deg, transparent, hsl(var(--clr-primary)), transparent);
}

.subtitle {
    color: hsl(var(--clr-text-muted));
    margin-bottom: 2rem;
    margin-top: 0.5rem;
}

.randomizer-content .action-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}
.randomizer-content input[type="number"] {
    width: 60px;
    padding: 0.75rem 0.5rem;
    text-align: center;
    border: 1px solid hsl(var(--clr-border));
    background: hsl(var(--clr-surface));
    color: hsl(var(--clr-text-main));
    border-radius: var(--radius-full);
    outline: none;
    font-weight: 600;
}
.randomizer-content input[type="number"]:focus {
    border-color: hsl(var(--clr-primary));
}

/* 灯箱效果 (Lightbox) */
#lightbox {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}
#lightbox.active {
    opacity: 1;
    pointer-events: auto;
}
#lightbox img {
    max-width: 90%;
    max-height: 90%;
    border-radius: var(--radius-md);
    box-shadow: 0 15px 40px rgba(0,0,0,0.5);
    transform: scale(0.9);
    transition: transform var(--transition-bounce);
}
#lightbox.active img {
    transform: scale(1);
}
#lightbox .close-btn {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 2rem;
    cursor: pointer;
}

.roulette-container {
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 15px;
}

.dish-display {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 2.5rem;
    font-weight: 900;
    font-family: 'Noto Serif SC', serif;
    color: hsl(var(--clr-primary));
    text-shadow: 0 2px 10px hsla(var(--clr-primary), 0.2);
    transition: transform 0.1s;
}

.placeholder-text {
    font-size: 1.5rem;
    color: hsl(var(--clr-text-muted));
    font-weight: 400;
    opacity: 0.6;
}

/* 抽奖动画类 */
.spin-anim {
    animation: pulse 0.1s infinite alternate;
}
@keyframes pulse {
    0% { transform: scale(1) translateY(0); opacity: 0.8; }
    100% { transform: scale(1.05) translateY(-5px); opacity: 1; }
}
.reveal-anim {
    animation: reveal var(--transition-bounce) forwards;
}
@keyframes reveal {
    0% { transform: scale(0.8) translateY(20px); opacity: 0; }
    100% { transform: scale(1.2) translateY(0); opacity: 1; }
}

/* ======= 按钮样式 ======= */
.btn-primary, .btn-secondary, .btn-text {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, hsl(var(--clr-primary)), hsl(var(--clr-primary-hover)));
    color: white;
    box-shadow: 0 4px 14px hsla(var(--clr-primary), 0.4);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px hsla(var(--clr-primary), 0.6);
}
.btn-primary:active {
    transform: translateY(1px);
}

.btn-secondary {
    background: hsl(var(--clr-surface));
    color: hsl(var(--clr-primary));
    border: 1px solid hsl(var(--clr-border));
}
.btn-secondary:hover {
    background: hsla(var(--clr-primary), 0.05);
    border-color: hsl(var(--clr-primary));
}

.btn-text {
    padding: 0.5rem 1rem;
    background: transparent;
    color: hsl(var(--clr-text-muted));
}
.btn-text:hover {
    color: hsl(var(--clr-primary));
    background: hsla(var(--clr-primary), 0.05);
}

.full-width {
    width: 100%;
}
.hidden {
    display: none !important;
}

/* ======= 下方网格：菜品库与计划 ======= */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}
.section-header h3 {
    font-size: 1.25rem;
}

.badge {
    background: hsla(var(--clr-primary), 0.1);
    color: hsl(var(--clr-primary));
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
}

.help-text {
    font-size: 0.85rem;
    color: hsl(var(--clr-text-muted));
    margin-top: -1rem;
    margin-bottom: 1.25rem;
    display: block;
}

/* 筛选条 */
.filter-bar {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    overflow-x: auto;
    padding-bottom: 4px;
}
.filter-btn {
    background: transparent;
    border: 1px solid hsl(var(--clr-border));
    padding: 0.4rem 1rem;
    border-radius: var(--radius-full);
    color: hsl(var(--clr-text-muted));
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
}
.filter-btn:hover {
    border-color: hsla(var(--clr-primary), 0.5);
    color: hsl(var(--clr-primary));
}
.filter-btn.active {
    background: hsl(var(--clr-text-main));
    color: hsl(var(--clr-surface));
    border-color: hsl(var(--clr-text-main));
}

/* 菜品网格 */
.dish-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1.25rem;
    padding-bottom: 2rem;
}
/* 自定义滚动条 (取消限制高度后一般不需要，保留备用) */
.dish-grid::-webkit-scrollbar {
    width: 6px;
}
.dish-grid::-webkit-scrollbar-track {
    background: transparent;
}
.dish-grid::-webkit-scrollbar-thumb {
    background: hsl(var(--clr-border));
    border-radius: 4px;
}

.dish-item {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid hsla(var(--clr-border), 0.5);
    border-radius: var(--radius-md);
    padding: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}
/* 分类颜色指示器 */
.dish-item::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0; height: 3px;
    opacity: 0.8;
}
.dish-item[data-type="meat"]::after { background: hsl(var(--clr-meat)); }
.dish-item[data-type="veg"]::after { background: hsl(var(--clr-veg)); }
.dish-item[data-type="soup"]::after { background: hsl(var(--clr-soup)); }

.dish-item:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 30px -5px hsla(var(--clr-primary), 0.25);
    border-color: hsla(var(--clr-primary), 0.6);
    background: var(--clr-surface);
}

.dish-icon-wrapper {
    width: 48px; height: 48px;
    background: hsla(var(--clr-text-muted), 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.75rem;
    font-size: 1.5rem;
    color: hsl(var(--clr-text-main));
    transition: transform var(--transition-bounce);
}
.dish-item:hover .dish-icon-wrapper {
    transform: scale(1.1) rotate(5deg);
    background: hsla(var(--clr-primary), 0.1);
    color: hsl(var(--clr-primary));
}

.dish-name {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.2rem;
}
.dish-desc {
    font-size: 0.70rem;
    color: hsl(var(--clr-text-muted));
    margin-bottom: 0.3rem;
    line-height: 1.2;
    display: -webkit-box;
    line-clamp: 2;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.dish-type {
    font-size: 0.75rem;
    background: hsla(var(--clr-text-muted), 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    color: hsl(var(--clr-text-muted));
    margin-top: auto;
}

/* ======= 计划列表 ======= */
.border-glow {
    border: 1px solid hsla(var(--clr-primary), 0.3);
    position: relative;
}
.border-glow::before {
    content: '';
    position: absolute;
    top: -1px; left: -1px; right: -1px; bottom: -1px;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, hsla(var(--clr-primary), 0.5), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.plan-list-container {
    min-height: 300px;
    margin-bottom: 1.5rem;
}

.plan-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 250px;
    color: hsl(var(--clr-text-muted));
    text-align: center;
    gap: 1rem;
    opacity: 0.6;
}
.empty-state i {
    width: 48px; height: 48px;
}

.plan-item {
    background: hsl(var(--clr-surface));
    border: 1px solid hsl(var(--clr-border));
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    animation: slideIn var(--transition-normal);
}
@keyframes slideIn {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

.plan-item-info {
    display: flex;
    flex-direction: column;
}
.plan-item-name {
    font-weight: 600;
}
.plan-item-type {
    font-size: 0.75rem;
    color: hsl(var(--clr-text-muted));
}

.btn-remove {
    color: hsl(var(--clr-text-muted));
    background: none; border: none;
    padding: 4px; border-radius: 4px;
    cursor: pointer;
    transition: color var(--transition-fast);
}
.btn-remove:hover {
    color: hsl(348, 83%, 47%);
    background: hsla(348, 83%, 47%, 0.1);
}

/* ======= 响应式 ======= */
@media (max-width: 900px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    .randomizer-section {
        padding: 2rem 1rem;
    }
    .dish-display {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container { padding: 1rem; }
    .header { margin-bottom: 1.5rem; }
    .btn-primary { width: 100%; }
    .dish-grid { grid-template-columns: repeat(2, 1fr); }
    
    /* 调大文字使其在移动端易读 */
    .section-header h3 { font-size: 1.1rem; }
}