/* ============================================================
   金聚沣华数字平台 · 暗色主题样式
   FastAPI + Jinja2 · 公开站点 (layout.html) + 后台管理 (admin/base.html)
   ============================================================ */

/* ---------- 主题变量 ---------- */
:root {
  --bg: #0b0b0f;
  --panel: #141419;
  --panel-2: #1b1b22;
  --border: rgba(255, 255, 255, 0.09);
  --text: #f5f5f7;
  --muted: #86868b;
  --accent: #0a84ff;
  --accent-soft: rgba(10, 132, 255, 0.14);
  --green: #30d158;
  --red: #ff453a;
  --amber: #ff9f0a;
  --purple: #bf5af2;
  --cyan: #30b0c7;
  --radius: 14px;
}

/* ---------- 基础重置与排版 ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 6px;
}

h1 { font-size: 30px; font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: 19px; font-weight: 600; margin-bottom: 16px; }

.sub { color: var(--muted); margin-top: 8px; }
.muted { color: var(--muted); font-size: 13px; }
.inline { display: inline; }
.dot { margin: 0 10px; color: var(--muted); }
.empty { color: var(--muted); text-align: center; padding: 24px 0; }

.error {
  color: var(--red); background: rgba(255, 69, 58, 0.1);
  border: 1px solid rgba(255, 69, 58, 0.25);
  border-radius: 8px; padding: 8px 14px; margin: 12px 0; font-size: 14px;
}
.ok-banner {
  color: var(--green); background: rgba(48, 209, 88, 0.1);
  border: 1px solid rgba(48, 209, 88, 0.25);
  border-radius: 8px; padding: 8px 14px; margin-bottom: 16px; font-size: 14px;
}
.ok { color: var(--green); }
.bad { color: var(--red); }

section { margin-bottom: 48px; }
.row-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; gap: 16px; }
.row-head .sub { margin: 0; }

/* ---------- 公开站点导航 ---------- */
.topnav {
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
  background: rgba(11, 11, 15, 0.82);
  backdrop-filter: saturate(180%) blur(20px);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  padding: 14px 32px;
}
.brand { color: var(--text); font-size: 17px; font-weight: 700; justify-self: start; }
.brand:hover { text-decoration: none; }
.nav-main { display: flex; gap: 44px; justify-self: center; }
.nav-main > a { color: var(--muted); font-size: 17px; font-weight: 500; padding: 4px 2px; }
.nav-main > a:hover, .nav-main > a.active { color: var(--text); text-decoration: none; }
.nav-auth { display: flex; align-items: center; gap: 14px; justify-self: end; }
.nav-auth .nav-link { color: var(--muted); font-size: 14px; }
.nav-auth .nav-link:hover, .nav-auth .nav-link.active { color: var(--text); text-decoration: none; }
.navuser { color: var(--muted); font-size: 13px; }

/* ---------- 公开站点布局 ---------- */
main { max-width: 1080px; margin: 0 auto; padding: 40px 32px 80px; }

/* ---------- 首页 Hero ---------- */
.home-hero { text-align: center; padding: 80px 0 48px; }
.hero-label {
  color: var(--muted); font-size: 13px; font-weight: 500;
  letter-spacing: 3px; text-transform: uppercase;
}
.home-hero h1 { font-size: 44px; font-weight: 700; letter-spacing: -0.03em; }
.hero-sub { color: var(--accent); font-size: 20px; margin-top: 12px; }
.hero-desc {
  color: var(--muted); font-size: 16px; line-height: 1.7;
  max-width: 640px; margin: 16px auto 0;
}
.hero-actions { display: flex; gap: 14px; justify-content: center; margin-top: 32px; }

/* ---------- 首页数据条 ---------- */
.home-stats { display: flex; gap: 20px; justify-content: center; }
.hstat {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px 32px; text-align: center;
  min-width: 140px;
}
.hstat b { display: block; font-size: 32px; font-weight: 700; letter-spacing: -0.02em; }
.hstat b span { font-size: 20px; font-weight: 600; color: var(--muted); }
.hstat > span { display: block; color: var(--muted); font-size: 13px; margin-top: 4px; }

/* ---------- 首页章节 ---------- */
.home-section { margin-bottom: 64px; }
.sec-label {
  color: var(--muted); font-size: 13px; font-weight: 500;
  letter-spacing: 3px; text-transform: uppercase;
}
.sec-heading { font-size: 28px; font-weight: 700; margin: 8px 0 12px; letter-spacing: -0.02em; }
.sec-sub { color: var(--muted); font-size: 16px; margin-bottom: 24px; }
.home-section.alt-bg {
  background: var(--panel);
  margin: -20px -32px 64px;
  padding: 60px 32px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* ---------- 服务卡片 ---------- */
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.service-card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
}
.svc-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin-bottom: 16px;
}
.svc-icon.blue { background: linear-gradient(135deg, rgba(10, 132, 255, 0.35), rgba(10, 132, 255, 0.12)); }
.svc-icon.purple { background: linear-gradient(135deg, rgba(191, 90, 242, 0.35), rgba(191, 90, 242, 0.12)); }
.svc-icon.cyan { background: linear-gradient(135deg, rgba(48, 176, 199, 0.35), rgba(48, 176, 199, 0.12)); }
.svc-icon.amber { background: linear-gradient(135deg, rgba(255, 159, 10, 0.35), rgba(255, 159, 10, 0.12)); }
.service-card h3 { font-size: 18px; font-weight: 600; }
.service-card p { color: var(--muted); font-size: 14px; line-height: 1.6; margin-top: 8px; }
.svc-link { display: block; color: var(--accent); font-size: 13px; margin-top: 16px; }

/* ---------- 合作流程 ---------- */
.flow-steps { display: flex; gap: 0; align-items: center; justify-content: center; }
.flow-step { flex: 1; text-align: center; max-width: 200px; }
.flow-num {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700; margin: 0 auto 12px;
}
.flow-step h3 { font-size: 16px; font-weight: 600; }
.flow-step p { color: var(--muted); font-size: 13px; margin-top: 6px; }
.flow-arrow { color: var(--muted); font-size: 20px; padding: 0 8px; }

/* ---------- 关于我们 ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.about-text p { color: var(--muted); font-size: 15px; line-height: 1.8; margin-bottom: 16px; }
.about-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.about-badge {
  color: var(--muted); font-size: 13px;
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 6px; padding: 4px 10px;
}
.about-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.metric {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px; text-align: center;
}
.metric b { display: block; font-size: 24px; font-weight: 700; letter-spacing: -0.02em; }
.metric span { color: var(--muted); font-size: 12px; }

/* ---------- 首页 CTA ---------- */
.home-cta { text-align: center; padding: 80px 0; }
.home-cta h2 { font-size: 32px; font-weight: 700; letter-spacing: -0.02em; }
.home-cta p { color: var(--muted); font-size: 16px; margin: 12px 0 28px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block; cursor: pointer;
  border: 1px solid var(--border); border-radius: 9px;
  padding: 9px 20px; font-size: 14px;
  color: var(--text); background: var(--panel-2);
  transition: opacity 0.15s, border-color 0.15s;
  font-family: inherit;
}
.btn:hover { opacity: 0.85; text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.ghost { background: transparent; }
.btn.small { padding: 4px 12px; font-size: 13px; border-radius: 7px; }
.btn.xl { padding: 12px 34px; font-size: 15px; border-radius: 11px; }
.btn.danger { background: transparent; color: var(--red); border-color: rgba(255, 69, 58, 0.35); }
.btn.wide { width: 100%; margin-top: 6px; }

/* ---------- 卡片 / 网格 ---------- */
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px; margin-bottom: 20px;
}
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 20px; }
.api-card { display: block; color: var(--text); transition: border-color 0.15s, transform 0.15s; }
.api-card:hover { text-decoration: none; border-color: var(--accent); transform: translateY(-2px); }
.api-card h3 { font-size: 16px; margin: 10px 0 6px; }
.api-card p {
  color: var(--muted); font-size: 13px; line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.tag {
  display: inline-block; font-size: 12px; color: var(--accent);
  background: var(--accent-soft); border-radius: 6px; padding: 2px 8px;
}

/* ---------- 分类标签 ---------- */
.tabs { display: flex; gap: 10px; margin: 20px 0 4px; flex-wrap: wrap; }
.tabs a {
  color: var(--muted); font-size: 14px; padding: 6px 16px;
  border: 1px solid var(--border); border-radius: 999px;
}
.tabs a:hover { color: var(--text); text-decoration: none; }
.tabs a.active { color: #fff; background: var(--accent); border-color: var(--accent); }

/* ---------- 表格 ---------- */
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th, .tbl td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.tbl th { color: var(--muted); font-weight: 500; font-size: 13px; }
.tbl tr:last-child td { border-bottom: none; }
.tbl .ops { display: flex; gap: 6px; align-items: center; }

/* ---------- 表单 ---------- */
label { display: block; margin: 12px 0 4px; color: var(--muted); font-size: 13px; }
input[type="text"], input[type="password"], select, textarea {
  width: 100%; margin-top: 4px;
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 9px; padding: 9px 12px;
  color: var(--text); font-size: 14px; font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
textarea { resize: vertical; font-family: ui-monospace, Menlo, monospace; font-size: 13px; }
.row-form { display: flex; gap: 14px; align-items: flex-end; flex-wrap: wrap; }
.row-form label { flex: 1; min-width: 160px; }
.check { display: flex; align-items: center; gap: 8px; margin: 14px 0; color: var(--text); font-size: 14px; }
.check input { width: auto; margin: 0; }
.form-card { max-width: 780px; }

/* ---------- 页脚 ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--panel);
  margin-top: 40px;
}
.footer-inner {
  max-width: 1080px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px;
  padding: 44px 32px 32px;
}
.footer-col h4 { font-size: 14px; font-weight: 600; margin-bottom: 14px; }
.footer-col a, .footer-muted {
  display: block; color: var(--muted); font-size: 13px;
  margin-bottom: 10px;
}
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border);
  text-align: center; color: var(--muted); font-size: 13px;
  padding: 20px 0 28px;
}

/* ---------- 后台管理布局 ---------- */
body.admin-body { overflow: hidden; }
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 240px; flex-shrink: 0;
  background: var(--panel); border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
}
.admin-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 20px; font-weight: 700; font-size: 16px;
  color: var(--text); text-decoration: none;
}
.admin-brand:hover { text-decoration: none; }
.admin-logo {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700; flex-shrink: 0;
}
.admin-nav { flex: 1; padding: 8px 0; overflow-y: auto; }
.admin-nav a {
  display: block; padding: 12px 20px;
  color: var(--muted); font-size: 15px; text-decoration: none;
  border-left: 3px solid transparent;
  white-space: nowrap; overflow: hidden;
}
.admin-nav a:hover { background: var(--panel-2); color: var(--text); }
.admin-nav a.active {
  background: var(--accent-soft); color: var(--accent);
  border-left: 3px solid var(--accent);
}
.admin-sidebar-footer {
  padding: 16px 20px; border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.admin-main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.admin-topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 32px;
  background: rgba(11, 11, 15, 0.82);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
}
.admin-topbar h1 { font-size: 20px; font-weight: 700; }
.admin-topbar span { color: var(--muted); font-size: 14px; }
.admin-content { padding: 24px 32px; overflow-y: auto; flex: 1; }

/* ---------- KPI 卡片 ---------- */
.kpi-row {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px; margin-bottom: 28px;
}
.kpi-card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 14px; padding: 20px;
}
.kpi-icon { font-size: 24px; margin-bottom: 8px; }
.kpi-value { font-size: 28px; font-weight: 700; letter-spacing: -0.02em; }
.kpi-label { color: var(--muted); font-size: 13px; margin-top: 4px; }
.kpi-trend { font-size: 12px; margin-top: 8px; }
.kpi-trend.up { color: var(--green); }
.kpi-trend.down { color: var(--red); }
.kpi-trend.up::after { content: " ↑"; }
.kpi-trend.down::after { content: " ↓"; }

/* ---------- 柱状图 ---------- */
.chart { display: flex; gap: 18px; align-items: flex-end; height: 180px; padding: 0 6px; }
.bar-col { display: flex; flex-direction: column; align-items: center; gap: 6px; flex: 1; }
.bar {
  width: 100%; max-width: 46px; min-height: 3px;
  background: linear-gradient(180deg, var(--accent), rgba(10, 132, 255, 0.35));
  border-radius: 6px 6px 2px 2px;
}
.bar.cost, .bar-cost {
  background: linear-gradient(180deg, var(--red), rgba(255, 69, 58, 0.35));
}
.bar-income {
  background: linear-gradient(180deg, var(--accent), rgba(10, 132, 255, 0.35));
}
.bar-num { font-size: 12px; color: var(--muted); }
.bar-date { font-size: 12px; color: var(--muted); }
.bar-group { display: flex; gap: 4px; align-items: flex-end; }

/* ---------- 饼图 ---------- */
.pie-row { display: flex; align-items: center; gap: 32px; flex-wrap: wrap; }
.pie-chart { width: 180px; height: 180px; border-radius: 50%; flex-shrink: 0; }
.pie-legend { display: flex; flex-direction: column; gap: 8px; list-style: none; }
.pie-legend li { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; }
.legend-dot, .pie-dot { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; display: inline-block; }
.pie-label { color: var(--muted); font-size: 13px; }
.pie-value { color: var(--text); font-size: 14px; }

/* ---------- 状态标签 ---------- */
.status-tag {
  display: inline-block; font-size: 12px;
  padding: 2px 8px; border-radius: 6px;
}
.status-tag.success { color: var(--green); background: rgba(48, 209, 88, 0.14); }
.status-tag.fail { color: var(--red); background: rgba(255, 69, 58, 0.14); }
.status-tag.pending { color: var(--muted); background: var(--panel-2); }
.status-tag.processing { color: var(--accent); background: var(--accent-soft); }
.status-tag.warn { color: var(--amber); background: rgba(255, 159, 10, 0.14); }

/* ---------- 登录框 ---------- */
.auth-box { max-width: 400px; margin: 48px auto; }
.auth-box h1 { font-size: 24px; margin-bottom: 18px; }

/* ---------- 详情页 ---------- */
.detail-head { margin-bottom: 24px; }
.detail-head h1 { margin: 10px 0 4px; }
.meta { color: var(--muted); font-size: 14px; margin-top: 12px; }
.meta b { color: var(--text); }
.code-block { position: relative; margin: 12px 0; }
.code-block pre {
  background: #0d0d12; border: 1px solid var(--border); border-radius: 11px;
  padding: 16px 18px; overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13.5px; line-height: 1.7; color: #d7d7dc;
}

/* ---------- 兼容旧统计卡（dashboard 模板使用） ---------- */
.stats { display: flex; gap: 16px; justify-content: center; margin-top: 36px; }
.stat {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px 36px; text-align: center;
}
.stat b { display: block; font-size: 28px; font-weight: 700; letter-spacing: -0.02em; }
.stat span { color: var(--muted); font-size: 13px; }
.admin-stats { justify-content: flex-start; margin-bottom: 28px; }

/* ---------- 响应式 ---------- */
@media (max-width: 860px) {
  .nav-inner { grid-template-columns: 1fr auto; padding: 12px 18px; }
  .nav-main { display: none; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  main { padding: 28px 18px 60px; }
  .footer-inner { grid-template-columns: repeat(2, 1fr); padding: 32px 20px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .home-section.alt-bg { margin: 0 -18px 64px; padding: 48px 18px; }

  /* 后台侧边栏折叠为图标栏 */
  .admin-sidebar { width: 60px; overflow: hidden; }
  .admin-brand { padding: 20px 0; justify-content: center; font-size: 0; gap: 0; }
  .admin-nav a {
    font-size: 0; overflow: hidden;
    padding: 14px 0; text-align: center; border-left: none;
  }
  .admin-sidebar-footer { padding: 16px 0; justify-content: center; font-size: 0; overflow: hidden; }
  .admin-content { padding: 16px; }
}

@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
  .home-stats { flex-direction: column; align-items: stretch; }
  .service-grid { grid-template-columns: 1fr; }
  .kpi-row { grid-template-columns: 1fr; }
  .flow-steps { flex-direction: column; }
  .flow-arrow { transform: rotate(90deg); }
}