/* =========================================================
 * apple-frontend.css —— 企业级精致设计系统（前端）
 * 参考：Stripe / Linear / Vercel Dashboard
 * 核心理念：克制 · 精致 · 一致
 *   · 严谨的 design tokens（颜色/间距/字号/阴影分层）
 *   · 细腻的多层阴影 + 1px 精致边框
 *   · 专业的排版系统（type scale）
 *   · 克制的微交互（不堆特效）
 * =======================================================*/

/* ============ Design Tokens ============ */
:root {
    /* 背景层 */
    --bg:            #F7F8FA;
    --surface:       #FFFFFF;
    --surface-2:     #FAFBFC;
    --surface-3:     #F3F4F6;
    /* 边框（细腻分层） */
    --border:        #E5E7EB;
    --border-subtle: #EFF1F4;
    --border-strong: #D1D5DB;
    /* 文字（灰阶梯度） */
    --text:          #111827;   /* gray-900 主标题 */
    --text-2:        #374151;   /* gray-700 正文 */
    --text-3:        #6B7280;   /* gray-500 次要 */
    --text-muted:    #9CA3AF;   /* gray-400 辅助 */
    /* 品牌色（专业蓝，可调） */
    --primary:       #2C5CF6;
    --primary-hover: #1E47C7;
    --primary-light: #EEF2FF;
    --primary-ring:  rgba(44, 92, 246, 0.16);
    /* 语义色（低饱和，企业级） */
    --success:       #16A34A;
    --success-light: #ECFDF5;
    --warning:       #D97706;
    --warning-light: #FFFBEB;
    --danger:        #DC2626;
    --danger-light:  #FEF2F2;
    --info:          #0891B2;
    --info-light:    #ECFEFF;
    /* 阴影分层（细腻、低对比、多层） */
    --shadow-xs: 0 1px 2px rgba(17, 24, 39, 0.04);
    --shadow-sm: 0 1px 3px rgba(17, 24, 39, 0.06), 0 1px 2px rgba(17, 24, 39, 0.04);
    --shadow-md: 0 4px 8px -2px rgba(17, 24, 39, 0.06), 0 2px 4px -2px rgba(17, 24, 39, 0.05);
    --shadow-lg: 0 12px 24px -4px rgba(17, 24, 39, 0.08), 0 4px 8px -2px rgba(17, 24, 39, 0.04);
    --shadow-xl: 0 24px 48px -8px rgba(17, 24, 39, 0.10), 0 8px 16px -4px rgba(17, 24, 39, 0.05);
    /* 圆角（企业级偏方正克制） */
    --radius-sm: 6px;
    --radius:    8px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    /* 间距（8px grid） */
    --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px;
    --space-5: 20px; --space-6: 24px; --space-8: 32px;
    /* 过渡（统一克制） */
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --dur: 180ms;
}

/* ============ 基础排版 ============ */
html, body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Text",
                 "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif !important;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    color: var(--text);
    background: var(--bg);
    font-size: 14px;
    line-height: 1.6;
    letter-spacing: -0.006em;
}
body {
    background:
        radial-gradient(ellipse 100% 60% at 50% -10%, rgba(44, 92, 246, 0.04), transparent 60%),
        var(--bg) !important;
    background-attachment: fixed;
}
body.bg-image { background-image: none !important; }

/* type scale */
h1, .h1 { font-size: 32px !important; font-weight: 700 !important; letter-spacing: -0.025em !important; line-height: 1.2 !important; color: var(--text) !important; }
h2, .h2 { font-size: 24px !important; font-weight: 700 !important; letter-spacing: -0.02em !important; line-height: 1.3 !important; color: var(--text) !important; }
h3, .h3 { font-size: 18px !important; font-weight: 600 !important; letter-spacing: -0.01em !important; color: var(--text) !important; }
h4, .h4 { font-size: 16px !important; font-weight: 600 !important; color: var(--text) !important; }
h5, .h5 { font-size: 14px !important; font-weight: 600 !important; color: var(--text-2) !important; }
h6, .h6 { font-size: 13px !important; font-weight: 600 !important; color: var(--text-3) !important; text-transform: uppercase; letter-spacing: 0.04em; }
p, li { color: var(--text-2) !important; }
small, .text-muted, .text-gray { color: var(--text-muted) !important; }
a { color: var(--primary) !important; text-decoration: none !important; transition: color var(--dur) var(--ease); }
a:hover { color: var(--primary-hover) !important; }
.text-primary { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-danger  { color: var(--danger) !important; }

#page-container { background: transparent !important; }

/* ============ Sidebar：精致专业导航 ============ */
#sidebar {
    background: var(--surface) !important;
    border-right: 1px solid var(--border-subtle) !important;
    box-shadow: 1px 0 0 var(--border-subtle);
}
#sidebar .content-header.bg-white-5 {
    background: transparent !important;
    border-bottom: 1px solid var(--border-subtle);
}
#sidebar .nav-main-link {
    border-radius: var(--radius) !important;
    margin: 2px 8px !important;
    padding: 8px 12px !important;
    color: var(--text-2) !important;
    font-size: 14px;
    font-weight: 500;
    background: transparent;
    transition: all var(--dur) var(--ease);
}
#sidebar .nav-main-link:hover {
    background: var(--surface-3) !important;
    color: var(--text) !important;
}
#sidebar .nav-main-link.active,
#sidebar .nav-main-link.nav-main-link-submenu[aria-expanded="true"] {
    background: var(--primary-light) !important;
    color: var(--primary) !important;
    font-weight: 600;
    box-shadow: inset 0 0 0 1px rgba(44, 92, 246, 0.12) !important;
}
#sidebar .nav-main-heading {
    padding: 20px 20px 6px !important;
    color: var(--text-muted) !important;
    font-size: 11px !important;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}
#sidebar .nav-main-submenu {
    margin: 4px 8px 8px 16px !important;
    padding: 4px !important;
    background: var(--surface-2) !important;
    border-radius: var(--radius);
    border: 1px solid var(--border-subtle);
}
#sidebar .nav-main-submenu .nav-main-link {
    margin: 1px 2px !important;
    padding: 7px 12px !important;
    font-size: 13.5px !important;
    color: var(--text-3) !important;
}
#sidebar .nav-main-link-icon,
#sidebar .nav-main-link-name { color: inherit !important; }

/* ============ Header：精致顶栏 ============ */
#page-header {
    background: rgba(255, 255, 255, 0.85) !important;
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border-bottom: 1px solid var(--border-subtle) !important;
}
#page-header .content-header { min-height: 56px; }
#page-header .btn-dual {
    border-radius: var(--radius) !important;
    padding: 6px 10px !important;
    color: var(--text-3) !important;
    background: transparent;
    transition: all var(--dur) var(--ease);
}
#page-header .btn-dual:hover {
    background: var(--surface-3) !important;
    color: var(--text) !important;
}
#page-header-user-dropdown {
    padding: 4px 10px 4px 4px !important;
    border-radius: 999px !important;
    background: var(--surface-3) !important;
    border: 1px solid var(--border-subtle) !important;
    color: var(--text-2) !important;
    font-weight: 500;
    transition: all var(--dur) var(--ease);
}
#page-header-user-dropdown:hover {
    background: var(--surface) !important;
    border-color: var(--border) !important;
    box-shadow: var(--shadow-sm);
}
#page-header .dropdown-menu {
    background: var(--surface) !important;
    border-radius: var(--radius-md) !important;
    box-shadow: var(--shadow-lg) !important;
    border: 1px solid var(--border) !important;
    overflow: hidden !important;
    padding: 4px !important;
    min-width: 220px;
}
#page-header .dropdown-menu .p-3.bg-primary {
    background: var(--surface-2) !important;
    border-bottom: 1px solid var(--border-subtle);
}
#page-header .dropdown-item {
    padding: 8px 12px !important;
    border-radius: var(--radius);
    margin: 1px 0;
    color: var(--text-2) !important;
    font-size: 14px;
    font-weight: 500;
    transition: all 120ms var(--ease);
}
#page-header .dropdown-item:hover {
    background: var(--surface-3) !important;
    color: var(--text) !important;
}

/* ============ 卡片（block）：企业级 surface ============ */
.block {
    background: var(--surface) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-sm) !important;
    transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.block:hover {
    box-shadow: var(--shadow-md) !important;
    border-color: var(--border-strong) !important;
}
.block-header {
    padding: 16px 20px 12px 20px !important;
    border-bottom: 1px solid var(--border-subtle) !important;
    color: var(--text) !important;
    font-weight: 600;
}
.block-header .block-title { font-size: 15px !important; font-weight: 600 !important; color: var(--text) !important; }
.block-content { padding: 20px !important; }
.block-rounded { border-radius: var(--radius-lg) !important; }
.block-fx-pop {
    transition: box-shadow 240ms var(--ease), transform 240ms var(--ease-out), border-color 240ms var(--ease) !important;
}
.block-fx-pop:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg) !important;
    border-color: var(--border-strong) !important;
}

/* ============ 按钮：专业克制 ============ */
.btn {
    border-radius: var(--radius) !important;
    padding: 8px 16px !important;
    font-weight: 600 !important;
    font-size: 14px !important;
    letter-spacing: -0.003em;
    border: 1px solid transparent !important;
    box-shadow: var(--shadow-xs) !important;
    transition: all var(--dur) var(--ease) !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}
.btn-primary {
    background: var(--primary) !important;
    color: #fff !important;
    box-shadow: var(--shadow-xs), 0 0 0 1px rgba(44, 92, 246, 0.1) !important;
}
.btn-primary:hover {
    background: var(--primary-hover) !important;
    box-shadow: var(--shadow-sm), 0 0 0 1px rgba(44, 92, 246, 0.2) !important;
    transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }
.btn-success { background: var(--success) !important; color: #fff !important; }
.btn-success:hover { background: #15803D !important; transform: translateY(-1px); }
.btn-warning { background: var(--warning) !important; color: #fff !important; }
.btn-warning:hover { background: #B45309 !important; transform: translateY(-1px); }
.btn-danger { background: var(--danger) !important; color: #fff !important; }
.btn-danger:hover { background: #B91C1C !important; transform: translateY(-1px); }
.btn-light {
    background: var(--surface) !important;
    color: var(--text-2) !important;
    border: 1px solid var(--border) !important;
    box-shadow: var(--shadow-xs) !important;
}
.btn-light:hover {
    background: var(--surface-3) !important;
    border-color: var(--border-strong) !important;
    color: var(--text) !important;
}
.btn-outline-primary {
    background: var(--surface) !important;
    border: 1px solid var(--border-strong) !important;
    color: var(--primary) !important;
    box-shadow: var(--shadow-xs) !important;
}
.btn-outline-primary:hover {
    background: var(--primary-light) !important;
    border-color: var(--primary) !important;
    color: var(--primary-hover) !important;
}
.btn-sm { padding: 5px 10px !important; font-size: 13px !important; border-radius: var(--radius-sm) !important; }
.btn-lg { padding: 11px 22px !important; font-size: 15px !important; border-radius: var(--radius-md) !important; }

/* ============ 表单：精致输入 ============ */
.form-control,
.form-control-sm,
.custom-select,
textarea.form-control,
input[type="text"], input[type="password"], input[type="email"], input[type="number"] {
    border-radius: var(--radius) !important;
    border: 1px solid var(--border) !important;
    background: var(--surface) !important;
    padding: 9px 12px !important;
    font-size: 14px !important;
    color: var(--text) !important;
    height: auto;
    transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease) !important;
}
.form-control::placeholder { color: var(--text-muted) !important; }
.form-control:hover,
input:hover, select:hover, textarea:hover { border-color: var(--border-strong) !important; }
.form-control:focus,
input:focus, select:focus, textarea:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px var(--primary-ring) !important;
    outline: none !important;
    background: var(--surface) !important;
}
.input-group-text {
    background: var(--surface-2) !important;
    border: 1px solid var(--border) !important;
    color: var(--text-3) !important;
    border-radius: var(--radius) 0 0 var(--radius) !important;
    font-size: 13px;
}
select.form-control { appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E") !important; background-repeat: no-repeat !important; background-position: right 12px center !important; padding-right: 32px !important; }

/* ============ 徽章：低饱和专业 ============ */
.badge {
    border-radius: var(--radius-sm) !important;
    padding: 3px 8px !important;
    font-weight: 600 !important;
    font-size: 12px !important;
    letter-spacing: 0;
    line-height: 1.4;
    display: inline-flex;
    align-items: center;
}
.badge-primary { background: var(--primary-light) !important; color: var(--primary) !important; }
.badge-success { background: var(--success-light) !important; color: var(--success) !important; }
.badge-warning { background: var(--warning-light) !important; color: var(--warning) !important; }
.badge-danger  { background: var(--danger-light) !important; color: var(--danger) !important; }
.badge-info    { background: var(--info-light) !important; color: var(--info) !important; }
.badge-light   { background: var(--surface-3) !important; color: var(--text-2) !important; }

/* ============ 表格：企业级数据表 ============ */
.table { background: transparent; margin-bottom: 0; }
.table thead th {
    background: var(--surface-2) !important;
    border: none !important;
    border-bottom: 1px solid var(--border) !important;
    color: var(--text-3) !important;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 10px 16px !important;
    white-space: nowrap;
}
.table tbody tr {
    background: var(--surface) !important;
    border: none !important;
    border-bottom: 1px solid var(--border-subtle) !important;
    transition: background 120ms var(--ease);
}
.table tbody tr:last-child { border-bottom: none !important; }
.table tbody tr:hover {
    background: var(--surface-2) !important;
}
.table td, .table th {
    border: none !important;
    padding: 12px 16px !important;
    vertical-align: middle !important;
    color: var(--text-2) !important;
    font-size: 14px;
}
.table tbody tr td:first-child { border-top-left-radius: 0; border-bottom-left-radius: 0; }
.table tbody tr td:last-child  { border-top-right-radius: 0; border-bottom-right-radius: 0; }

/* ============ 分页 ============ */
.pagination > li > a, .pagination > li > span {
    min-width: 34px; height: 34px; line-height: 32px;
    padding: 0 10px !important;
    border-radius: var(--radius) !important;
    margin: 0 2px;
    background: var(--surface) !important;
    border: 1px solid var(--border) !important;
    color: var(--text-2) !important;
    font-weight: 500;
    font-size: 13px;
    transition: all var(--dur) var(--ease);
}
.pagination > li > a:hover {
    background: var(--surface-3) !important;
    border-color: var(--border-strong) !important;
    color: var(--text) !important;
}
.pagination > .active > a, .pagination > .active > span {
    background: var(--primary) !important;
    border-color: var(--primary) !important;
    color: #fff !important;
    box-shadow: var(--shadow-xs) !important;
}
.pagination > .disabled > span, .pagination > .disabled > a { opacity: 0.45 !important; }

/* ============ Hero 区：精致渐变 ============ */
#main-container .hero {
    background:
        radial-gradient(ellipse 60% 80% at 30% 0%, rgba(44, 92, 246, 0.06), transparent 60%),
        var(--surface);
    border: 1px solid var(--border) !important;
    border-radius: var(--radius-xl) !important;
    box-shadow: var(--shadow-sm);
}
.hero h1, .hero .display-4 {
    letter-spacing: -0.03em !important;
    font-weight: 700 !important;
    background: linear-gradient(135deg, var(--text) 0%, var(--text-3) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent !important;
    -webkit-text-fill-color: transparent;
}
.hero h5 { color: var(--text-3) !important; font-weight: 400 !important; }

/* ============ 小图标容器 ============ */
.item-rounded {
    border-radius: var(--radius-md) !important;
    background: var(--primary-light) !important;
    box-shadow: inset 0 0 0 1px rgba(44, 92, 246, 0.08);
}
.item-rounded i { color: var(--primary) !important; }

/* ============ Footer ============ */
#page-footer {
    background: transparent !important;
    border-top: 1px solid var(--border-subtle);
    color: var(--text-muted);
    font-size: 13px;
}
#page-footer a { color: var(--text-3) !important; }
#page-footer a:hover { color: var(--primary) !important; }

.content-full { padding-top: 32px !important; padding-bottom: 32px !important; }

/* ============ layer 弹窗：精致 ============ */
.layui-layer {
    border-radius: var(--radius-lg) !important;
    overflow: hidden !important;
    box-shadow: var(--shadow-xl) !important;
    border: 1px solid var(--border) !important;
}
.layui-layer-title {
    background: var(--surface) !important;
    border-bottom: 1px solid var(--border-subtle) !important;
    color: var(--text) !important;
    font-weight: 600 !important;
    font-size: 15px;
}
.layui-layer-content { background: var(--surface); color: var(--text-2) !important; }
.layui-layer-btn { border-top: 1px solid var(--border-subtle) !important; padding: 12px 16px !important; }
.layui-layer-btn a {
    border-radius: var(--radius) !important;
    border: 1px solid var(--border) !important;
    background: var(--surface) !important;
    color: var(--text-2) !important;
    font-weight: 600 !important;
    padding: 7px 14px !important;
    height: auto !important;
    line-height: 1.4 !important;
    font-size: 14px;
    box-shadow: var(--shadow-xs) !important;
}
.layui-layer-btn .layui-layer-btn0 {
    background: var(--primary) !important;
    border-color: var(--primary) !important;
    color: #fff !important;
}

/* ============ 登录卡片 ============ */
.login-card, .login-box {
    background: var(--surface) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius-xl) !important;
    box-shadow: var(--shadow-xl) !important;
}