:root {
  --pink: #e85d8a;
  --pink-dark: #c94470;
  --pink-soft: #fff0f5;
  --pink-mid: #f7a8c0;
  --bg: #faf7f8;
  --card: #ffffff;
  --text: #3a2f35;
  --muted: #8a7a82;
  --border: #f0e4e9;
  --sidebar: #2d1f28;
  --ok: #2f9e6d;
  --danger: #d64545;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(232, 93, 138, 0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

a { color: var(--pink); text-decoration: none; }
a:hover { color: var(--pink-dark); }

.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 240px;
  background: linear-gradient(180deg, #3a2432 0%, #2d1f28 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  inset: 0 auto 0 0;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 24px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.brand-icon { font-size: 28px; }
.brand strong { display: block; font-size: 16px; }
.brand small { color: rgba(255,255,255,0.55); font-size: 12px; }

.sidebar nav { flex: 1; padding: 16px 12px; }
.sidebar nav a {
  display: block;
  color: rgba(255,255,255,0.7);
  padding: 12px 14px;
  border-radius: 8px;
  margin-bottom: 4px;
  transition: .2s;
}
.sidebar nav a:hover,
.sidebar nav a.active {
  background: rgba(232, 93, 138, 0.25);
  color: #fff;
}

.sidebar-foot {
  padding: 16px 20px 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.admin-info { font-size: 13px; margin-bottom: 8px; color: rgba(255,255,255,0.85); }
.logout { font-size: 13px; color: var(--pink-mid); }

.main { margin-left: 240px; flex: 1; min-width: 0; }
.topbar {
  background: var(--card);
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar h1 { font-size: 20px; font-weight: 600; }
.content { padding: 24px 28px; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.stat-card .label { color: var(--muted); font-size: 13px; margin-bottom: 8px; }
.stat-card .value { font-size: 28px; font-weight: 700; color: var(--pink); }

.panel {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  overflow: hidden;
}
.panel-hd {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.panel-hd h2 { font-size: 15px; }
.panel-bd { padding: 0; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { background: var(--pink-soft); color: var(--muted); font-weight: 600; font-size: 13px; }
tr:hover td { background: #fffafc; }

.btn {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-size: 13px;
  background: var(--pink);
  color: #fff;
}
.btn:hover { background: var(--pink-dark); color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-outline {
  background: #fff;
  color: var(--pink);
  border: 1px solid var(--pink-mid);
}
.btn-outline:hover { background: var(--pink-soft); color: var(--pink-dark); }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #b83636; color: #fff; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  background: var(--pink-soft);
  color: var(--pink-dark);
}
.badge-ok { background: #e8f7f0; color: var(--ok); }
.badge-off { background: #f5f5f5; color: #999; }

.thumb {
  width: 48px; height: 48px;
  object-fit: cover;
  border-radius: 8px;
  background: var(--pink-soft);
}

.form-row { margin-bottom: 14px; }
.form-row label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.form-row input, .form-row select, .form-row textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  outline: none;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  border-color: var(--pink-mid);
  box-shadow: 0 0 0 3px rgba(232,93,138,0.12);
}

.toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.toolbar input, .toolbar select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
}

.pager { padding: 14px 16px; display: flex; gap: 8px; justify-content: flex-end; align-items: center; color: var(--muted); font-size: 13px; }
.pager a { padding: 4px 10px; border: 1px solid var(--border); border-radius: 6px; color: var(--text); }
.pager a.active, .pager a:hover { background: var(--pink); color: #fff; border-color: var(--pink); }

.alert {
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 13px;
}
.alert-ok { background: #e8f7f0; color: var(--ok); }
.alert-err { background: #fdecec; color: var(--danger); }

.empty { padding: 40px; text-align: center; color: var(--muted); }

.modal-mask {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(45, 31, 40, 0.45);
  z-index: 100;
  align-items: center;
  justify-content: center;
}
.modal-mask.show { display: flex; }
.modal {
  background: #fff;
  width: min(520px, 92vw);
  border-radius: 14px;
  padding: 22px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}
.modal h3 { margin-bottom: 16px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }

/* 登录页 */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 20% 20%, rgba(247,168,192,0.35), transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(232,93,138,0.2), transparent 45%),
    linear-gradient(135deg, #fff5f8, #faf0f4 50%, #fff);
}
.login-box {
  width: 380px;
  background: #fff;
  border-radius: 16px;
  padding: 36px 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.login-box .logo {
  text-align: center;
  margin-bottom: 28px;
}
.login-box .logo .icon { font-size: 42px; }
.login-box .logo h1 { font-size: 22px; margin-top: 8px; }
.login-box .logo p { color: var(--muted); font-size: 13px; margin-top: 4px; }
.login-box .btn { width: 100%; padding: 12px; font-size: 15px; margin-top: 8px; }

@media (max-width: 768px) {
  .sidebar { width: 100%; position: relative; }
  .main { margin-left: 0; }
  .layout { flex-direction: column; }
}