:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --line: #d9e2ec;
  --text: #162033;
  --muted: #697586;
  --brand: #0f766e;
  --brand-2: #1d4ed8;
  --danger: #b42318;
  --warning: #b54708;
  --ok: #047857;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
}

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

button {
  border: 0;
  border-radius: 6px;
  background: var(--brand);
  color: #fff;
  cursor: pointer;
  padding: 9px 14px;
}

button.secondary {
  background: #e8edf3;
  color: var(--text);
}

button.ghost {
  background: transparent;
  color: var(--brand);
  padding: 6px 8px;
}

button.danger {
  background: var(--danger);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  padding: 9px 10px;
}

textarea {
  min-height: 88px;
  resize: vertical;
}

.login {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
}

.login-box {
  width: min(420px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.08);
}

.login-box h1 {
  margin: 0 0 8px;
  font-size: 24px;
}

.login-box p {
  margin: 0 0 22px;
  color: var(--muted);
}

.field {
  display: grid;
  gap: 7px;
  margin-bottom: 14px;
}

.field label {
  color: #334155;
  font-size: 13px;
  font-weight: 700;
}

.shell {
  display: grid;
  grid-template-columns: 230px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: #102033;
  color: #dbeafe;
  padding: 18px 14px;
}

.brand {
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.35;
  margin: 2px 6px 22px;
}

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

.nav button {
  width: 100%;
  border-radius: 6px;
  background: transparent;
  color: #dbeafe;
  padding: 10px 12px;
  text-align: left;
}

.nav button.active,
.nav button:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.main {
  min-width: 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 58px;
  border-bottom: 1px solid var(--line);
  background: #fff;
  padding: 0 24px;
}

.content {
  padding: 22px 24px 34px;
}

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

.page-head h2 {
  margin: 0;
  font-size: 22px;
}

.page-head p {
  margin: 6px 0 0;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 16px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.panel h3 {
  margin: 0 0 12px;
  font-size: 16px;
}

.summary-card {
  display: grid;
  gap: 4px;
  min-height: 108px;
}

.summary-card strong {
  font-size: 26px;
}

.summary-card span {
  color: var(--muted);
}

.filters {
  display: grid;
  grid-template-columns: repeat(5, minmax(120px, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 10px;
  text-align: left;
  vertical-align: top;
  font-size: 13px;
}

th {
  color: #475569;
  background: #f8fafc;
  font-weight: 700;
}

.muted {
  color: var(--muted);
}

.tag {
  display: inline-block;
  border-radius: 999px;
  background: #edf2f7;
  color: #344054;
  font-size: 12px;
  padding: 3px 8px;
}

.tag.ok {
  background: #d1fae5;
  color: var(--ok);
}

.tag.warn {
  background: #ffedd5;
  color: var(--warning);
}

.product-img {
  width: 58px;
  height: 58px;
  border-radius: 7px;
  object-fit: cover;
  background: #e8edf3;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.form-grid .wide {
  grid-column: span 3;
}

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

.notice-item {
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 12px;
  background: #fff;
}

.notice-item h4 {
  margin: 0 0 6px;
}

.notice-item p {
  margin: 0;
  color: var(--muted);
}

.stepbar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.step {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  padding: 10px;
  color: var(--muted);
  text-align: center;
}

.step.active {
  border-color: var(--brand);
  color: var(--brand);
  font-weight: 700;
}

.message {
  border-radius: 6px;
  background: #ecfeff;
  color: #155e75;
  padding: 10px 12px;
  margin: 10px 0;
}

.message.error {
  background: #fef3f2;
  color: var(--danger);
}

.modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(15, 23, 42, 0.45);
  padding: 20px;
  z-index: 20;
}

.modal-body {
  width: min(900px, 100%);
  max-height: 90vh;
  overflow: auto;
  background: #fff;
  border-radius: 8px;
  padding: 18px;
  box-shadow: 0 25px 70px rgba(15, 23, 42, 0.22);
}

@media (max-width: 980px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

  .nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .form-grid .wide {
    grid-column: span 1;
  }
}