/* ===== 管理后台 · 薄荷绿科技风 ===== */
:root {
  --mint-500: #1fc38b;
  --mint-600: #12a877;
  --mint-700: #0d8a62;
  --mint-800: #0e6e50;
  --ink: #0b3d2e;
  --ink-2: #2f6b57;
  --muted: #6fa394;
  --line: rgba(18, 168, 119, 0.18);
  --card-bg: rgba(255, 255, 255, 0.92);
  --shadow: 0 14px 40px rgba(13, 138, 98, 0.14);
  --shadow-sm: 0 6px 18px rgba(13, 138, 98, 0.10);
  --radius: 16px;
  --grad: linear-gradient(135deg, #1fc38b 0%, #0d8a62 100%);
  --grad-soft: linear-gradient(135deg, rgba(31, 195, 139, 0.12), rgba(13, 138, 98, 0.06));
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(900px 420px at 12% -8%, rgba(31, 195, 139, 0.16), transparent 60%),
    linear-gradient(180deg, #eefcf6 0%, #e0f8ec 100%);
  background-attachment: fixed;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(18, 168, 119, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 168, 119, 0.05) 1px, transparent 1px);
  background-size: 34px 34px;
}

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* 顶部 */
.topbar {
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 62px;
  gap: 14px;
}

.brand { font-weight: 800; font-size: 18px; display: flex; align-items: center; gap: 10px; }

.brand .logo {
  width: 32px; height: 32px; border-radius: 10px;
  background: var(--grad); display: grid; place-items: center;
  box-shadow: 0 5px 14px rgba(18, 168, 119, 0.35);
}

.top-actions { display: flex; gap: 8px; }

/* 导航标签 */
.tabs {
  display: flex;
  gap: 6px;
  margin: 24px 0 18px;
  flex-wrap: wrap;
}

.tabs a {
  padding: 9px 18px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-2);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--line);
  transition: all 0.2s;
}

.tabs a:hover { border-color: var(--mint-500); }

.tabs a.active {
  background: var(--grad);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 8px 18px rgba(18, 168, 119, 0.32);
}

/* 卡片 */
.card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  padding: 22px;
  margin-bottom: 22px;
}

.card h2 { margin: 0 0 16px; font-size: 17px; font-weight: 800; }

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

/* 表格 */
.table-wrap { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 640px; }

th, td { padding: 11px 12px; text-align: left; border-bottom: 1px solid var(--line); }

th { font-size: 12px; color: var(--muted); letter-spacing: 1px; white-space: nowrap; }

tr:hover td { background: rgba(31, 195, 139, 0.05); }

/* 表单 */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.form-grid .full { grid-column: 1 / -1; }

label { display: block; font-size: 13px; font-weight: 700; color: var(--ink-2); margin-bottom: 6px; }

input[type="text"], input[type="password"], input[type="number"], select, textarea {
  width: 100%;
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: 11px;
  font-size: 14px;
  color: var(--ink);
  background: #fff;
  outline: none;
  transition: all 0.2s;
  font-family: inherit;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--mint-500);
  box-shadow: 0 0 0 4px rgba(31, 195, 139, 0.15);
}

textarea { resize: vertical; min-height: 80px; }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 11px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}

.btn:hover { border-color: var(--mint-500); color: var(--mint-700); }

.btn-primary { background: var(--grad); color: #fff; border-color: transparent; box-shadow: 0 8px 18px rgba(18,168,119,.3); }
.btn-primary:hover { color: #fff; filter: brightness(1.07); }

.btn-danger { color: #d4554f; border-color: rgba(212, 85, 79, 0.3); }
.btn-danger:hover { background: rgba(212, 85, 79, 0.07); border-color: #d4554f; color: #d4554f; }

.btn-sm { padding: 5px 11px; font-size: 13px; border-radius: 9px; }

/* 徽章 */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.st-done    { background: linear-gradient(135deg, #19c58c, #0da372); color: #fff; }
.st-deposit { background: linear-gradient(135deg, #ffb45c, #f28c1e); color: #fff; }
.st-negot   { background: linear-gradient(135deg, #53b7f0, #2f8fe0); color: #fff; }
.st-none    { background: #e9f1ee; color: #7d9b90; }

/* 城市等级徽章：一线红 → 新一线橙 → 二线蓝 → 三线绿 → 四线紫 → 五线灰 */
.lv-l1 { background: linear-gradient(135deg, #f5576c, #d63758); color: #fff; }
.lv-l2 { background: linear-gradient(135deg, #ff8f4d, #f56a00); color: #fff; }
.lv-l3 { background: linear-gradient(135deg, #53b7f0, #2f8fe0); color: #fff; }
.lv-l4 { background: linear-gradient(135deg, #19c58c, #0da372); color: #fff; }
.lv-l5 { background: linear-gradient(135deg, #9aa8f0, #6c7bd8); color: #fff; }
.lv-l6 { background: linear-gradient(135deg, #b8c6c0, #8fa39b); color: #fff; }
.lv-none { background: #eef2f0; color: #9aaba4; }

.tag-ok  { background: var(--grad-soft); color: var(--mint-700); border: 1px solid rgba(31,195,139,.35); padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.tag-no  { background: #eef2f0; color: #9aaba4; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; }

/* 提示 */
.flash {
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 14px;
  margin-bottom: 18px;
  border: 1px solid var(--line);
  background: var(--grad-soft);
  color: var(--mint-800);
  font-weight: 700;
}

.flash.error { background: rgba(212, 85, 79, 0.08); color: #c24540; border-color: rgba(212, 85, 79, 0.3); }

.hint { font-size: 12px; color: var(--muted); margin-top: 6px; }

.empty { text-align: center; color: var(--muted); padding: 30px 0; font-size: 14px; }

/* 登录页 */
.login-box {
  max-width: 400px;
  margin: 9vh auto 0;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  padding: 34px 30px;
}

.login-box h1 {
  margin: 0 0 6px;
  font-size: 22px;
  text-align: center;
  background: linear-gradient(120deg, #0e6e50, #12a877);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.login-box .sub { text-align: center; color: var(--muted); font-size: 13px; margin: 0 0 24px; }

.login-box .field { margin-bottom: 16px; }

.login-box .btn-primary { width: 100%; justify-content: center; padding: 12px; font-size: 15px; }

.login-box .back { display: block; text-align: center; margin-top: 16px; font-size: 13px; color: var(--muted); text-decoration: none; }
.login-box .back:hover { color: var(--mint-700); }

/* 响应式 */
@media (max-width: 720px) {
  .wrap { padding: 0 14px; }
  .form-grid { grid-template-columns: 1fr; }
  .tabs a { padding: 8px 14px; }
  .topbar .brand span.txt { font-size: 15px; }
}