:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --bg: #f1f5f9;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --green: #16a34a;
  --red: #dc2626;
  --amber: #d97706;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(15, 23, 42, .08), 0 1px 2px rgba(15, 23, 42, .04);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: var(--primary); text-decoration: none; }

.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}

/* ---------- 报备页（对外） ---------- */
.claim-wrap {
  max-width: 520px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}
.claim-header { text-align: center; margin-bottom: 24px; }
.claim-header h1 { font-size: 22px; margin-bottom: 6px; }
.claim-header p { color: var(--muted); font-size: 14px; }

.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.form-field label .req { color: var(--red); }
.form-field input, .form-field textarea, .form-field select {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  background: #fff;
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus {
  outline: 2px solid var(--primary);
  outline-offset: -1px;
  border-color: transparent;
}
.form-hint { font-size: 12px; color: var(--muted); margin-top: 4px; }

.btn {
  display: inline-block;
  padding: 12px 22px;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  background: var(--primary);
  color: #fff;
  width: 100%;
  transition: background .15s;
}
.btn:hover { background: var(--primary-dark); }
.btn-block { width: 100%; }

.alert { padding: 12px 14px; border-radius: 8px; font-size: 14px; margin-bottom: 16px; }
.alert.error { background: #fef2f2; color: var(--red); border: 1px solid #fecaca; }
.alert.ok { background: #f0fdf4; color: var(--green); border: 1px solid #bbf7d0; }
.alert.info { background: #eff6ff; color: var(--primary-dark); border: 1px solid #bfdbfe; }

/* ---------- 报备结果页 ---------- */
.result-card { text-align: center; padding: 36px 24px; }
.result-icon { font-size: 52px; margin-bottom: 12px; }
.result-title { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.result-msg { color: var(--muted); font-size: 14px; margin-bottom: 20px; }
.result-detail {
  text-align: left;
  background: var(--bg);
  border-radius: 8px;
  padding: 14px 16px;
  font-size: 14px;
  margin-bottom: 20px;
}
.result-detail dt { color: var(--muted); font-size: 12px; }
.result-detail dd { margin: 2px 0 10px; font-weight: 600; }
.result-detail dd:last-child { margin-bottom: 0; }

/* ---------- 管理后台 ---------- */
.admin-body { display: flex; min-height: 100vh; }
.sidebar {
  width: 210px;
  background: #0f172a;
  color: #cbd5e1;
  padding: 20px 0;
  flex-shrink: 0;
}
.sidebar .brand { padding: 0 20px 18px; font-weight: 700; color: #fff; font-size: 15px; border-bottom: 1px solid #1e293b; }
.sidebar nav a {
  display: block;
  padding: 11px 20px;
  color: #cbd5e1;
  font-size: 14px;
  border-left: 3px solid transparent;
}
.sidebar nav a:hover { background: #1e293b; color: #fff; }
.sidebar nav a.active { background: #1e293b; color: #fff; border-left-color: var(--primary); }
.sidebar nav a .count { float: right; color: #64748b; }

.main { flex: 1; padding: 24px 28px; max-width: 1200px; }
.page-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.page-head h1 { font-size: 20px; }
.muted { color: var(--muted); font-size: 13px; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 20px; }
.stat { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; }
.stat .num { font-size: 26px; font-weight: 700; }
.stat .label { color: var(--muted); font-size: 13px; }

table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
th, td { padding: 11px 14px; text-align: left; font-size: 14px; border-bottom: 1px solid var(--border); }
th { background: #f8fafc; font-weight: 600; color: var(--muted); font-size: 13px; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #f8fafc; }

.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.active { background: #eff6ff; color: var(--primary-dark); }
.badge.closed { background: #f0fdf4; color: var(--green); }
.badge.expired { background: #f1f5f9; color: var(--muted); }
.badge.warn { background: #fffbeb; color: var(--amber); }
.badge.danger { background: #fef2f2; color: var(--red); }

.toolbar { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; align-items: center; }
.toolbar select, .toolbar input[type=text] {
  padding: 8px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; background: #fff;
}
.toolbar .btn-small {
  width: auto; padding: 8px 16px; font-size: 13px;
}

.kv { display: grid; grid-template-columns: 120px 1fr; gap: 8px 16px; font-size: 14px; margin-bottom: 20px; }
.kv dt { color: var(--muted); }
.kv dd { font-weight: 600; word-break: break-all; }

h2.section { font-size: 16px; margin: 24px 0 12px; }
.inline-form { display: inline-flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.inline-form input, .inline-form select {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; background: #fff;
}
.inline-form .btn { width: auto; padding: 8px 16px; font-size: 13px; }

.footer { margin-top: 32px; color: var(--muted); font-size: 12px; text-align: center; }