/* ===== 百味粽坊 · 共享样式 ===== */
/* 设计师小染: 治愈系糖果色 + 童趣立体书 */

/* --- CSS 自定义属性 (主题色) --- */
:root {
    --color-bg: #FFF8E7;          /* 糯米白 */
    --color-primary: #6DBE45;     /* 粽叶翠 */
    --color-primary-dark: #4F9E30;
    --color-accent: #FFC857;      /* 蛋黄暖 */
    --color-accent-dark: #E0A830;
    --color-danger: #E63946;      /* 蜜枣红 */
    --color-danger-dark: #B31F2C;
    --color-text: #3F5E2A;
    --color-text-light: #7A9A5A;
    --color-card: #FFFDF5;
    --color-border: #E8F0DC;
    --color-bg-soft: #F5F9EE;
    --shadow-card: 0 6px 0 #DCE8C8;
    --shadow-btn: 0 6px 0 var(--color-primary-dark);
    --radius-lg: 48px;
    --radius-md: 30px;
    --radius-sm: 20px;
    --font-stack: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}

/* --- 全局重置 --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-stack);
    background: var(--color-bg);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 12px;
    color: var(--color-text);
}

/* --- 应用容器 --- */
.app {
    width: 100%;
    max-width: 480px;
    background: var(--color-card);
    border-radius: var(--radius-lg) var(--radius-lg) 32px 32px;
    box-shadow: 0 20px 40px rgba(109, 190, 69, 0.15), 0 8px 20px rgba(0,0,0,0.05);
    overflow: hidden;
    position: relative;
    padding: 20px 18px 28px;
    border: 2px solid var(--color-border);
}

/* --- 渐变标题 (小染: 让孩子第一眼"哇") --- */
.gradient-title {
    font-size: 32px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent), var(--color-danger));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
    text-align: center;
}

/* --- 通用按钮 --- */
.btn {
    border: none;
    background: var(--color-primary);
    color: white;
    font-weight: 700;
    font-size: 18px;
    padding: 12px 30px;
    border-radius: 60px;
    box-shadow: var(--shadow-btn), 0 6px 12px rgba(78,138,48,0.2);
    cursor: pointer;
    transition: all 0.08s linear;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin: 6px 0;
    font-family: var(--font-stack);
}
.btn:active {
    transform: translateY(4px);
    box-shadow: 0 2px 0 var(--color-primary-dark);
}
.btn-small {
    font-size: 14px;
    padding: 8px 18px;
    box-shadow: 0 4px 0 var(--color-primary-dark);
}
.btn-accent {
    background: var(--color-accent);
    box-shadow: 0 6px 0 var(--color-accent-dark);
    color: #3F2E0A;
}
.btn-accent:active {
    box-shadow: 0 2px 0 var(--color-accent-dark);
}
.btn-danger {
    background: var(--color-danger);
    box-shadow: 0 6px 0 var(--color-danger-dark);
}
.btn-danger:active {
    box-shadow: 0 2px 0 var(--color-danger-dark);
}

/* --- 导航栏 --- */
.nav-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 0 12px;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: 12px;
}
.nav-bar a {
    text-decoration: none;
    color: var(--color-text-light);
    font-weight: 600;
    font-size: 14px;
    padding: 4px 10px;
    border-radius: 40px;
    transition: 0.1s;
}
.nav-bar a:hover {
    background: var(--color-bg-soft);
    color: var(--color-primary);
}
.nav-bar .nav-title {
    font-weight: 800;
    font-size: 18px;
    color: var(--color-text);
}

/* --- 卡片 --- */
.card {
    background: var(--color-bg-soft);
    border-radius: var(--radius-md);
    padding: 16px;
    box-shadow: var(--shadow-card);
    border: 2px solid var(--color-border);
    margin: 8px 0;
}

/* --- 音效开关 --- */
.sound-toggle {
    position: absolute;
    top: 12px;
    right: 16px;
    background: var(--color-border);
    border: none;
    border-radius: 30px;
    padding: 4px 12px;
    font-size: 18px;
    cursor: pointer;
    z-index: 10;
}

/* --- 工具类 --- */
.hidden { display: none !important; }
.flex-center { display: flex; align-items: center; justify-content: center; gap: 8px; }
.flex-wrap { flex-wrap: wrap; }
.mt-8 { margin-top: 8px; }
.mb-8 { margin-bottom: 8px; }
.text-center { text-align: center; }
.w-full { width: 100%; }
.gap-6 { gap: 6px; }

/* --- 响应式 --- */
@media (max-width: 400px) {
    .app { padding: 14px 12px 20px; }
    .gradient-title { font-size: 26px; }
}