:root {
  --bg: #f3f6f5;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --line: #e5e7eb;
  --primary: #0f766e;
  --primary-dark: #115e59;
  --primary-soft: #ccfbf1;
  --warn: #b45309;
  --warn-soft: #fef3c7;
  --danger: #b91c1c;
  --danger-soft: #fee2e2;
  --blue: #1d4ed8;
  --blue-soft: #dbeafe;
  --green: #15803d;
  --green-soft: #dcfce7;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 8px 24px rgba(15, 23, 42, .04);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 15px;
  line-height: 1.5;
  padding-bottom: calc(76px + env(safe-area-inset-bottom));
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, p { margin: 0; }
h1 { font-size: 24px; letter-spacing: -.02em; }
h2 { font-size: 17px; }
.muted { color: var(--muted); font-size: 13px; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 8px; color: var(--text); font-weight: 700; }
.brand:hover { text-decoration: none; }
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--primary);
  color: #fff;
  font-size: 15px;
}
.topnav { display: none; gap: 4px; margin-left: 12px; }
.topnav a {
  color: var(--muted);
  padding: 7px 10px;
  border-radius: 8px;
  font-size: 14px;
}
.topnav a.active, .topnav a:hover { background: var(--primary-soft); color: var(--primary-dark); text-decoration: none; }
.userbox { margin-left: auto; display: flex; align-items: center; gap: 10px; font-size: 13px; }
.user-name { color: var(--muted); }

.container { max-width: 1120px; margin: 0 auto; padding: 16px; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin: 4px 0 16px; flex-wrap: wrap; }
.page-head h1 { margin-bottom: 2px; }
.page-head .btn { margin-top: 2px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  margin-bottom: 14px;
}
.section { margin: 20px 0; }
.section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.section-head a { font-size: 13px; }

.stat-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.stat {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: var(--shadow);
}
.stat strong { display: block; font-size: 26px; line-height: 1.1; }
.stat span { color: var(--muted); font-size: 13px; }
.stat-warn strong { color: var(--warn); }
.stat-danger strong { color: var(--danger); }
.stat-blue strong { color: var(--blue); }

.list-item {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 8px;
  color: var(--text);
}
.list-item:hover { text-decoration: none; border-color: #b7d9d2; }
.list-main { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.list-main strong { font-size: 15px; }
.list-main .muted { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.equipment-grid { display: grid; grid-template-columns: 1fr; gap: 10px; }
.equipment-card {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: var(--shadow);
  color: var(--text);
}
.equipment-card:hover { text-decoration: none; border-color: #9fd3c8; transform: translateY(-1px); }
.equipment-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
.equipment-head strong { font-size: 16px; }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px 14px; color: var(--muted); font-size: 13px; margin-top: 8px; }

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 12px;
  line-height: 1.4;
  white-space: nowrap;
  background: #f3f4f6;
  color: #374151;
}
.badge-lg { font-size: 13px; padding: 5px 10px; }
.badge-normal, .badge-completed { background: var(--green-soft); color: var(--green); }
.badge-due, .badge-pending, .badge-accepted { background: var(--warn-soft); color: var(--warn); }
.badge-overdue, .badge-abnormal, .badge-danger { background: var(--danger-soft); color: var(--danger); }
.badge-repairing, .badge-in_progress, .badge-blue { background: var(--blue-soft); color: var(--blue); }
.badge-warn { background: var(--warn-soft); color: var(--warn); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 40px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--text);
  font: inherit;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { text-decoration: none; border-color: #cbd5e1; background: #f8fafc; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }
.btn-warn { background: var(--warn); border-color: var(--warn); color: #fff; }
.btn-warn:hover { background: #92400e; border-color: #92400e; color: #fff; }
.btn-block { width: 100%; }
.btn-sm { min-height: 32px; padding: 4px 10px; font-size: 13px; }

.filters { display: grid; grid-template-columns: 1fr; gap: 8px; }
.filters input, .filters select { width: 100%; }

label { display: block; font-size: 13px; color: #374151; font-weight: 500; }
label input, label select, label textarea, .inline-form input, .inline-form select, .complete-form input, .complete-form select {
  width: 100%;
  margin-top: 4px;
  padding: 10px 11px;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  background: #fff;
  color: var(--text);
  font: inherit;
  font-weight: 400;
}
label input:focus, label select:focus, label textarea:focus,
.inline-form input:focus, .inline-form select:focus,
.complete-form input:focus, .complete-form select:focus {
  outline: 2px solid #99f6e4;
  border-color: var(--primary);
}
textarea { resize: vertical; }

.form-grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
.form-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.checkbox { display: flex; align-items: center; gap: 8px; }
.checkbox input { width: auto; margin: 0; }
.span-2 { grid-column: 1 / -1; }

.detail-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
.kv { display: grid; grid-template-columns: 92px 1fr; gap: 8px 12px; margin: 12px 0 0; font-size: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.qr-card { text-align: center; }
.qr { width: 180px; height: 180px; image-rendering: pixelated; margin: 10px auto; display: block; }
.equipment-photo { max-width: 100%; border-radius: 10px; margin-top: 10px; }

.action-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 4px 0 8px; }
.inline-form { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 8px; }
.inline-form input, .inline-form select { width: auto; min-width: 120px; }
.complete-form { display: grid; grid-template-columns: 1fr; gap: 8px; margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--line); }
.checklist { margin: 10px 0 0; padding-left: 20px; color: #374151; }

.segmented { display: inline-flex; background: #e5e7eb; border-radius: 10px; padding: 3px; }
.segmented a { padding: 6px 12px; border-radius: 8px; color: var(--muted); font-size: 14px; }
.segmented a.active { background: #fff; color: var(--text); box-shadow: 0 1px 2px rgba(0,0,0,.08); text-decoration: none; }

.flash { background: var(--green-soft); color: var(--green); padding: 10px 12px; border-radius: 10px; margin-bottom: 12px; }
.alert { padding: 10px 12px; border-radius: 10px; margin-bottom: 12px; }
.alert-danger { background: var(--danger-soft); color: var(--danger); }
.empty { padding: 20px; text-align: center; color: var(--muted); background: var(--card); border: 1px dashed var(--line); border-radius: var(--radius); }
.error-card { text-align: center; padding: 40px 20px; }
.error-code { font-size: 44px; font-weight: 700; color: var(--primary); }

details.card summary { cursor: pointer; font-weight: 600; color: var(--primary-dark); }
details.card[open] summary { margin-bottom: 12px; }

.login-body { display: grid; place-items: center; min-height: 100vh; padding: 20px; background: radial-gradient(circle at top left, #ccfbf1, #f3f6f5 55%); }
.login-wrap { width: min(420px, 100%); }
.login-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.login-brand .brand-mark { width: 46px; height: 46px; font-size: 22px; border-radius: 14px; }
.login-brand h1 { font-size: 22px; }
.login-brand p { color: var(--muted); font-size: 13px; }
.login-card label { margin-bottom: 12px; }
.login-hint { color: var(--muted); font-size: 12px; margin-top: 12px; text-align: center; }

.bottomnav {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--line);
  padding: 6px 6px calc(6px + env(safe-area-inset-bottom));
}
.bottomnav a { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 5px 0; color: var(--muted); font-size: 11px; }
.bottomnav a span { font-size: 18px; line-height: 1; }
.bottomnav a.active { color: var(--primary); text-decoration: none; }

@media (min-width: 640px) {
  .filters { grid-template-columns: 1.6fr 1fr 1fr auto; align-items: end; }
  .stat-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .equipment-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .detail-grid { grid-template-columns: 1.6fr 1fr; }
  .complete-form { grid-template-columns: 130px 1fr 160px auto; align-items: end; }
  .complete-form input, .complete-form select { margin-top: 0; }
}
@media (min-width: 900px) {
  body { padding-bottom: 24px; }
  .topnav { display: flex; }
  .bottomnav { display: none; }
  .equipment-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}