:root {
  color-scheme: light;
  --bg: #f4f7fb;
  --panel: #ffffff;
  --ink: #172033;
  --muted: #667085;
  --line: #d8e0eb;
  --brand: #176b87;
  --brand-dark: #0f4c5c;
  --accent: #f2a541;
  --danger: #c2410c;
  --success: #138a5b;
  --radius: 8px;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
}

button,
input,
textarea,
select {
  font: inherit;
}

.shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 24px 0 42px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  width: 42px;
  height: 42px;
  border-radius: var(--radius);
  background: var(--brand);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: 24px;
}

h2 {
  font-size: 18px;
  margin-bottom: 12px;
}

h3 {
  font-size: 15px;
}

.muted {
  color: var(--muted);
  font-size: 13px;
}

.grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.repair-grid {
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 0.55fr);
  align-items: start;
}

.admin-grid {
  grid-template-columns: 330px minmax(0, 1fr);
  align-items: start;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.field {
  display: grid;
  gap: 6px;
}

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

label {
  color: #344054;
  font-size: 13px;
  font-weight: 700;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  padding: 10px 11px;
  outline: none;
}

input[type="checkbox"] {
  width: auto;
  margin-right: 8px;
}

.login-bar {
  display: flex;
  align-items: center;
  gap: 8px;
}

.login-bar input {
  min-width: 180px;
}

textarea {
  min-height: 110px;
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(23, 107, 135, 0.13);
}

.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 14px;
}

.btn {
  border: 0;
  border-radius: 6px;
  padding: 10px 14px;
  background: #e9eef5;
  color: var(--ink);
  cursor: pointer;
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn.primary {
  background: var(--brand);
  color: #fff;
}

.btn.warning {
  background: var(--accent);
  color: #1f2937;
}

.btn.danger {
  background: var(--danger);
  color: #fff;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.info-list {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

.info-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid #edf1f6;
  padding-bottom: 8px;
}

.info-row span:first-child {
  color: var(--muted);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 4px 9px;
  font-size: 12px;
  font-weight: 700;
  background: #e9eef5;
  color: #344054;
  white-space: nowrap;
}

.status-pending,
.status-urgent {
  background: #fff4e5;
  color: #9a4d00;
}

.status-accepted,
.status-processing {
  background: #e6f3f8;
  color: #0f4c5c;
}

.status-closed,
.status-resolved {
  background: #e7f7ef;
  color: #086345;
}

.status-rejected {
  background: #fee2e2;
  color: #991b1b;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.stat {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
}

.stat strong {
  display: block;
  font-size: 24px;
  margin-top: 4px;
}

.filters {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.ticket-list {
  display: grid;
  gap: 10px;
}

.ticket-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 13px;
  background: #fff;
  cursor: pointer;
}

.ticket-card.active {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(23, 107, 135, 0.11);
}

.ticket-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.ticket-meta {
  color: var(--muted);
  font-size: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.detail-empty {
  min-height: 320px;
  display: grid;
  place-items: center;
  color: var(--muted);
}

.timeline {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.log {
  border-left: 3px solid var(--line);
  padding-left: 10px;
}

.log strong {
  display: block;
  font-size: 13px;
}

.rank {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  border-bottom: 1px solid #edf1f6;
  padding: 7px 0;
}

.success-box {
  border: 1px solid #b7e3cb;
  background: #ecfdf3;
  color: #085b3c;
  border-radius: var(--radius);
  padding: 14px;
  margin-top: 14px;
}

.hint {
  background: #fff8ec;
  border: 1px solid #f3d7aa;
  color: #7c3f00;
  border-radius: var(--radius);
  padding: 12px;
  font-size: 13px;
}

@media (max-width: 920px) {
  .repair-grid,
  .admin-grid {
    grid-template-columns: 1fr;
  }

  .stats,
  .filters,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }
}