/* 
 * TDSI WeatherWeb Style - 圆角对齐版本
 * 对齐 https://cdn.solan.work/weatherweb/ 设计
 */

:root {
    /* 圆角变量 - 对齐 WeatherWeb 风格 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 9999px;
    
    /* 颜色变量 */
    --primary-color: #0ea5e9;
    --primary-2: #6366f1;
    --primary-3: #1e40af;
    --border-color: rgba(148, 163, 184, 0.5);
    --card-bg: rgba(255, 255, 255, 0.6);
    --card-bg-2: rgba(255, 255, 255, 0.35);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --shadow-color: rgba(44, 24, 16, 0.08);
    --success: #22c55e;
    --warning: #6366f1;
    --danger: #ef4444;
    
    /* 渐变 */
    --gradient-primary: linear-gradient(135deg, #0ea5e9 0%, #6366f1 100%);
    --gradient-accent: linear-gradient(135deg, #1e40af, #6366f1);
    --gradient-text: linear-gradient(135deg, #0ea5e9, #6366f1);
    
    /* 字体 */
    --font-heading: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-body: 'Inter', 'PingFang SC', 'Microsoft YaHei', -apple-system, 'Segoe UI', Roboto, sans-serif;
}

html.dark-mode {
    --card-bg: rgba(30, 41, 59, 0.6);
    --card-bg-2: rgba(30, 41, 59, 0.35);
    --border-color: rgba(148, 163, 184, 0.14);
    --shadow-color: rgba(0, 0, 0, 0.3);
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #0ea5e9 100%);
    --gradient-text: linear-gradient(135deg, #6366f1, #0ea5e9);
}

/* ========== 基础样式 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    position: relative;
    overflow-x: hidden;
    background: linear-gradient(180deg, #f8fbff 0%, #ffffff 42%, #f8fafc 100%);
    background-attachment: fixed;
    transition: background 0.5s ease;
}

html.dark-mode body {
    background: linear-gradient(180deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
}

/* ========== 圆角工具类 ========== */
.r-sm { border-radius: var(--radius-sm) !important; }
.r-md { border-radius: var(--radius-md) !important; }
.r-lg { border-radius: var(--radius-lg) !important; }
.r-xl { border-radius: var(--radius-xl) !important; }
.r-2xl { border-radius: var(--radius-2xl) !important; }
.r-full { border-radius: var(--radius-full) !important; }

.r-top { border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important; }
.r-bottom { border-radius: 0 0 var(--radius-lg) var(--radius-lg) !important; }
.r-left { border-radius: var(--radius-lg) 0 0 var(--radius-lg) !important; }
.r-right { border-radius: 0 var(--radius-lg) var(--radius-lg) 0 !important; }

/* ========== 玻璃态卡片 ========== */
.glass-card,
.card {
    background: var(--card-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg) !important;
    box-shadow: 0 4px 24px var(--shadow-color);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
}

.glass-card:hover,
.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px var(--shadow-color);
    border-color: rgba(14, 165, 233, 0.3);
}

html.dark-mode .glass-card:hover,
html.dark-mode .card:hover {
    border-color: rgba(99, 102, 241, 0.3);
}

/* ========== 导航栏圆角 ========== */
.glass-nav,
header.glass-nav,
nav.glass-nav {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 32px);
    max-width: 1200px;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(24px) saturate(200%);
    -webkit-backdrop-filter: blur(24px) saturate(200%);
    border-radius: var(--radius-2xl) !important;
    padding: 12px 24px;
    min-height: 64px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 8px 32px var(--shadow-color), 0 2px 8px rgba(255, 255, 255, 0.8) inset;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

html.dark-mode .glass-nav {
    background: rgba(15, 23, 42, 0.8);
    border-color: rgba(148, 163, 184, 0.16);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
}

.glass-nav.scrolled {
    padding: 8px 24px;
    box-shadow: 0 12px 48px var(--shadow-color);
}

/* ========== 按钮圆角 ========== */
.btn,
.button,
button,
[class*="btn-"] {
    border-radius: var(--radius-full) !important;
    padding: 10px 24px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    border: none;
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(14, 165, 233, 0.3);
}

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

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 16px rgba(14, 165, 233, 0.25);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

html.dark-mode .btn-outline {
    border-color: var(--primary-2);
    color: var(--primary-2);
}

html.dark-mode .btn-outline:hover {
    background: var(--primary-2);
    color: white;
}

/* ========== 输入框圆角 ========== */
input,
textarea,
select,
.glass-input,
[class*="input"] {
    border-radius: var(--radius-md) !important;
    padding: 12px 16px;
    border: 1.5px solid var(--border-color);
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.3s ease;
    outline: none;
}

html.dark-mode input,
html.dark-mode textarea,
html.dark-mode select {
    background: rgba(30, 41, 59, 0.6);
    border-color: rgba(148, 163, 184, 0.2);
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.1);
}

/* ========== 标签/徽章圆角 ========== */
.badge,
.tag,
.label,
[class*="badge"],
[class*="tag"] {
    border-radius: var(--radius-full) !important;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 600;
}

/* ========== 状态指示器 ========== */
.status-dot,
.indicator,
[class*="indicator"] {
    border-radius: var(--radius-full) !important;
}

/* ========== 图片圆角 ========== */
img {
    border-radius: var(--radius-md);
}

img.rounded-full {
    border-radius: var(--radius-full) !important;
}

/* ========== 加载动画 ========== */
.loading-spinner {
    border-radius: var(--radius-full);
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
}

/* ========== 卡片网格 ========== */
.grid {
    display: grid;
    gap: 20px;
}

.grid .card,
.grid .glass-card {
    border-radius: var(--radius-lg) !important;
}

/* ========== 页脚 ========== */
.glass-footer {
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0 !important;
    margin-top: 60px;
    padding: 40px 24px;
}

/* ========== 搜索框 ========== */
.search-box,
[class*="search"] {
    border-radius: var(--radius-full) !important;
    overflow: hidden;
}

.search-box input {
    border-radius: var(--radius-full) !important;
    padding-left: 48px;
}

/* ========== 导航项 ========== */
.nav-item,
.nav-link,
nav a {
    border-radius: var(--radius-full) !important;
    padding: 8px 16px;
    transition: all 0.3s ease;
}

.nav-item:hover,
.nav-link:hover,
nav a:hover {
    background: rgba(14, 165, 233, 0.1);
}

html.dark-mode .nav-item:hover,
html.dark-mode nav a:hover {
    background: rgba(99, 102, 241, 0.15);
}

/* ========== 移动端适配 ========== */
@media (max-width: 900px) {
    .glass-nav {
        left: 16px;
        right: 16px;
        width: auto;
        border-radius: var(--radius-xl) !important;
    }
    
    .glass-nav nav {
        border-radius: var(--radius-lg) !important;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 16px;
    }
    
    .glass-card,
    .card {
        border-radius: var(--radius-md) !important;
    }
}

/* ========== 动画效果 ========== */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.float {
    animation: float 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* ========== 过渡效果 ========== */
.transition-all {
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.transition-transform {
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ========== 阴影效果 ========== */
.shadow-sm { box-shadow: 0 2px 8px var(--shadow-color); }
.shadow-md { box-shadow: 0 4px 16px var(--shadow-color); }
.shadow-lg { box-shadow: 0 8px 32px var(--shadow-color); }
.shadow-xl { box-shadow: 0 12px 48px var(--shadow-color); }

html.dark-mode .shadow-sm { box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3); }
html.dark-mode .shadow-md { box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4); }
html.dark-mode .shadow-lg { box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5); }
html.dark-mode .shadow-xl { box-shadow: 0 12px 48px rgba(0, 0, 0, 0.6); }

/* ========== 焦点样式 ========== */
:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ========== 滚动条 ========== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(14, 165, 233, 0.3);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(14, 165, 233, 0.5);
}

/* ========== 选中文字 ========== */
::selection {
    background: rgba(14, 165, 233, 0.2);
    color: var(--text-primary);
}

html.dark-mode ::selection {
    background: rgba(99, 102, 241, 0.3);
    color: white;
}