/* EC eBay经营管理系统 — Phase 2 基础样式 */
:root {
  --navy: #1e3a5f;
  --navy-dark: #16293f;
  --accent: #2563eb;
  --bg: #f4f6f8;
  --card: #ffffff;
  --border: #e3e7ec;
  --text: #1f2937;
  --muted: #6b7280;
  --ok: #15803d;
  --warn: #b45309;
  --off: #6b7280;
  --err: #b91c1c;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", Roboto, Arial, sans-serif;
  font-size: 14px; line-height: 1.6;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* 顶栏 */
.topbar {
  background: var(--navy); color: #fff; display: flex; align-items: center;
  padding: 0 20px; height: 52px; position: sticky; top: 0; z-index: 20;
}
.topbar .brand { font-weight: 600; font-size: 15px; letter-spacing: .3px; }
.topbar .spacer { flex: 1; }
.topbar .userbox { font-size: 13px; opacity: .92; }
.topbar form { display: inline; margin-left: 12px; }
.topbar button.linklike {
  background: none; border: 1px solid rgba(255,255,255,.35); color: #fff;
  padding: 3px 10px; border-radius: 4px; cursor: pointer; font-size: 12px;
}
.topbar button.linklike:hover { background: rgba(255,255,255,.12); }

/* 布局 */
.layout { display: flex; min-height: calc(100vh - 52px); }
.sidebar {
  width: 190px; background: #fff; border-right: 1px solid var(--border);
  padding: 12px 0; flex-shrink: 0;
}
.sidebar a {
  display: block; padding: 9px 20px; color: #374151; font-size: 14px;
  border-left: 3px solid transparent;
}
.sidebar a:hover { background: #f3f6fa; text-decoration: none; }
.sidebar a.active {
  background: #eef3fb; color: var(--navy); font-weight: 600;
  border-left-color: var(--accent);
}
.main { flex: 1; padding: 20px 24px 40px; min-width: 0; }

h1.page-title { font-size: 19px; margin: 0 0 4px; font-weight: 600; }
.page-sub { color: var(--muted); font-size: 13px; margin-bottom: 18px; }

/* 卡片 */
.grid { display: grid; gap: 14px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 8px;
  padding: 16px 18px;
}
.card h3 { margin: 0 0 10px; font-size: 14px; color: var(--muted); font-weight: 600; }
.metric { font-size: 22px; font-weight: 600; color: var(--navy); }
.metric.small { font-size: 15px; font-weight: 500; }

/* 状态 */
.badge {
  display: inline-block; padding: 2px 9px; border-radius: 999px;
  font-size: 12px; font-weight: 600; line-height: 1.7;
}
.badge.ok   { background: #e7f5ec; color: var(--ok); }
.badge.warn { background: #fdf3e3; color: var(--warn); }
.badge.off  { background: #eef0f3; color: var(--off); }
.badge.err  { background: #fdeaea; color: var(--err); }

table.list { width: 100%; border-collapse: collapse; background: #fff;
             border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
table.list th, table.list td {
  padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--border);
  font-size: 13px; vertical-align: top;
}
table.list th { background: #f8fafc; color: var(--muted); font-weight: 600; }
table.list tr:last-child td { border-bottom: none; }

.empty {
  background: #fff; border: 1px dashed #d3d9e0; border-radius: 8px;
  padding: 26px 20px; text-align: center; color: var(--muted); font-size: 14px;
}

.alert { padding: 10px 14px; border-radius: 6px; margin-bottom: 14px; font-size: 13px; }
.alert.error { background: #fdeaea; color: var(--err); border: 1px solid #f5c2c2; }
.alert.ok    { background: #e7f5ec; color: var(--ok); border: 1px solid #bfe6cd; }
.alert.info  { background: #eef3fb; color: var(--navy); border: 1px solid #cfdcf0; }

.pager { margin-top: 14px; font-size: 13px; color: var(--muted); }
.pager a, .pager span { margin-right: 10px; }

/* 登录页 */
.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center;
             background: var(--bg); padding: 24px; }
.auth-card { width: 100%; max-width: 380px; background: #fff; border: 1px solid var(--border);
             border-radius: 10px; padding: 28px 26px; }
.auth-card h1 { font-size: 17px; margin: 0 0 2px; color: var(--navy); }
.auth-card .sub { color: var(--muted); font-size: 13px; margin-bottom: 20px; }
label { display: block; font-size: 13px; color: #374151; margin: 12px 0 5px; font-weight: 500; }
input[type=text], input[type=password] {
  width: 100%; padding: 9px 11px; border: 1px solid #cfd6de; border-radius: 6px;
  font-size: 14px; background: #fff; color: var(--text);
}
input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
button.primary {
  width: 100%; margin-top: 18px; padding: 10px; background: var(--navy); color: #fff;
  border: none; border-radius: 6px; font-size: 14px; font-weight: 600; cursor: pointer;
}
button.primary:hover { background: var(--navy-dark); }
.hint { font-size: 12px; color: var(--muted); margin-top: 14px; }
.footer-note { text-align: center; color: #9aa2ac; font-size: 12px; margin-top: 18px; }

@media (max-width: 720px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; display: flex; overflow-x: auto; border-right: none;
             border-bottom: 1px solid var(--border); padding: 0; }
  .sidebar a { border-left: none; border-bottom: 3px solid transparent; white-space: nowrap; }
  .sidebar a.active { border-left-color: transparent; border-bottom-color: var(--accent); }
  .main { padding: 14px; }
}