@charset "UTF-8";
/* 众智商学院官网 · 后台样式 */
:root {
  --primary: #0d9488;
  --primary-dark: #0f766e;
  --primary-light: #ccfbf1;
  --accent: #f97316;
  --ink: #0f172a;
  --ink-soft: #475569;
  --ink-mute: #94a3b8;
  --line: #e2e8f0;
  --bg: #f6f8f9;
  --radius: 14px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg); color: var(--ink); line-height: 1.65; font-size: 15px;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* 顶栏 */
.admin-top {
  background: #0f172a; color: #cbd5e1; padding: 14px 0;
  position: sticky; top: 0; z-index: 50;
}
.admin-top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.admin-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: #fff; }
.admin-brand .mark {
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), #14b8a6);
  display: flex; align-items: center; justify-content: center; font-size: .95rem;
}
.admin-brand small { display: block; font-size: .7rem; font-weight: 500; color: #64748b; letter-spacing: 1px; }
.admin-top .links { display: flex; align-items: center; gap: 16px; font-size: .86rem; flex-wrap: wrap; }
.admin-top .links a { color: #cbd5e1; }
.admin-top .links a:hover { color: #5eead4; }

/* 主体 */
.admin-main { padding: 28px 0 60px; }
.admin-nav { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 24px; }
.admin-nav a {
  padding: 9px 18px; border-radius: 999px; background: #fff; border: 1px solid var(--line);
  font-size: .88rem; font-weight: 700; color: var(--ink-soft);
}
.admin-nav a.on { background: var(--primary); border-color: var(--primary); color: #fff; }
.admin-nav a:hover { border-color: var(--primary); color: var(--primary-dark); text-decoration: none; }
.admin-nav a.on:hover { color: #fff; }

/* 卡片 */
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 26px; margin-bottom: 20px;
}
.card > h2 { font-size: 1.06rem; font-weight: 800; margin-bottom: 16px; }
.card > h2 small { font-weight: 500; color: var(--ink-mute); font-size: .8rem; margin-left: 8px; }
.card .desc { font-size: .86rem; color: var(--ink-mute); margin: -8px 0 18px; }

/* 统计 */
.stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; margin-bottom: 22px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; }
.stat .n { font-size: 1.8rem; font-weight: 800; color: var(--primary-dark); line-height: 1.2; }
.stat .l { font-size: .82rem; color: var(--ink-mute); }
.stat.hl .n { color: var(--accent); }

/* 表单 */
label { display: block; font-size: .84rem; font-weight: 700; color: var(--ink-soft); margin-bottom: 6px; }
input[type=text], input[type=password], input[type=email], input[type=number], select, textarea {
  width: 100%; padding: 10px 13px; border: 1.5px solid var(--line); border-radius: 10px;
  font-size: .92rem; font-family: inherit; color: var(--ink); background: #f8fafc; outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(13,148,136,.1); }
textarea { min-height: 120px; resize: vertical; line-height: 1.7; }
.field { margin-bottom: 16px; }
.field .tip { font-size: .76rem; color: var(--ink-mute); margin-top: 5px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 22px; border-radius: 10px; border: none; cursor: pointer;
  background: var(--primary); color: #fff; font-size: .9rem; font-weight: 700; font-family: inherit;
}
.btn:hover { background: var(--primary-dark); text-decoration: none; color: #fff; }
.btn.accent { background: var(--accent); }
.btn.accent:hover { background: #ea580c; }
.btn.ghost { background: #fff; color: var(--ink-soft); border: 1px solid var(--line); }
.btn.ghost:hover { border-color: var(--primary); color: var(--primary-dark); background: #fff; }
.btn.danger { background: #dc2626; }
.btn.danger:hover { background: #b91c1c; }
.btn.sm { padding: 6px 14px; font-size: .82rem; border-radius: 8px; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 6px; }

.alert { border-radius: 10px; padding: 12px 16px; font-size: .88rem; margin-bottom: 18px; border: 1px solid transparent; }
.alert.ok { background: #ecfdf5; border-color: #a7f3d0; color: #047857; }
.alert.err { background: #fef2f2; border-color: #fecaca; color: #b91c1c; }
.alert.info { background: #f0fdfa; border-color: #ccfbf1; color: var(--primary-dark); }

/* 表格 */
.table-wrap { overflow-x: auto; }
table.list { width: 100%; border-collapse: collapse; font-size: .88rem; }
table.list th {
  text-align: left; padding: 12px 14px; background: #f8fafc;
  border-bottom: 1px solid var(--line); font-size: .8rem; color: var(--ink-mute);
  letter-spacing: .5px; white-space: nowrap;
}
table.list td { padding: 13px 14px; border-bottom: 1px solid #f1f5f9; color: var(--ink-soft); vertical-align: top; }
table.list tr:hover td { background: #fbfdfe; }
table.list .t { font-weight: 700; color: var(--ink); }
table.list .nowrap { white-space: nowrap; }
.badge {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  font-size: .74rem; font-weight: 700; background: var(--primary-light); color: var(--primary-dark);
}
.badge.new { background: #fee2e2; color: #b91c1c; }
.badge.gray { background: #f1f5f9; color: var(--ink-soft); }

/* 登录页 */
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 30px;
  background: linear-gradient(135deg, #f0fdfa 0%, #ecfeff 100%);
}
.login-box { width: 100%; max-width: 400px; background: #fff; border-radius: 18px; padding: 36px 32px; box-shadow: 0 20px 50px rgba(13,148,136,.14); border: 1px solid #d1fae5; }
.login-box h1 { font-size: 1.24rem; font-weight: 800; margin-bottom: 6px; }
.login-box .sub { font-size: .84rem; color: var(--ink-mute); margin-bottom: 24px; }
.login-box .btn { width: 100%; justify-content: center; padding: 12px; }

.muted { color: var(--ink-mute); font-size: .84rem; }
.mono { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .8rem; word-break: break-all; }
pre.log {
  background: #0f172a; color: #94a3b8; border-radius: 12px; padding: 16px 18px;
  font-size: .78rem; line-height: 1.8; max-height: 300px; overflow: auto; white-space: pre-wrap;
}
.split { display: grid; grid-template-columns: 1fr 340px; gap: 20px; align-items: start; }
.sticky { position: sticky; top: 86px; }

@media (max-width: 900px) {
  .stats { grid-template-columns: repeat(2,1fr); }
  .split { grid-template-columns: 1fr; }
  .grid2, .grid3 { grid-template-columns: 1fr; }
}