:root {
  color-scheme: light;
  --bg: #f4f6f8;
  --panel: #ffffff;
  --line: #d9e1e8;
  --text: #1f2933;
  --muted: #65758b;
  --primary: #0f766e;
  --primary-strong: #115e59;
  --danger: #b42318;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}

.app-shell {
  width: 100%;
  min-height: 100vh;
  margin: 0;
  padding: 18px;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-content: start;
  gap: 16px;
}

.auth-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}

.auth-shell {
  width: min(430px, 100%);
}

.auth-panel {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.auth-panel p {
  margin-top: 8px;
  color: var(--muted);
}

.login-form {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.topbar {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 54px;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.top-actions form {
  margin: 0;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 28px;
  line-height: 1.25;
}

h2 {
  margin-bottom: 14px;
  font-size: 18px;
}

.topbar p {
  margin-top: 6px;
  color: var(--muted);
}

.status {
  grid-column: 1 / -1;
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--muted);
}

.status.error {
  border-color: #f3b1aa;
  color: var(--danger);
}

.status.success {
  border-color: #99d6ca;
  color: var(--primary-strong);
}

.stats-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.stat-card {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.stat-card span {
  display: block;
  color: var(--muted);
  font-size: 14px;
}

.stat-card strong {
  display: block;
  margin-top: 8px;
  font-size: 30px;
  line-height: 1;
}

.panel {
  grid-column: 1 / -1;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  min-width: 0;
}

.collect-panel {
  grid-column: span 5;
}

.manual-panel {
  grid-column: span 7;
}

.filter-panel,
.list-panel,
.panel:last-child {
  grid-column: 1 / -1;
}

label {
  display: grid;
  gap: 7px;
  color: #344054;
  font-size: 14px;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid #b8c4d1;
  border-radius: 6px;
  padding: 10px 11px;
  color: var(--text);
  font: inherit;
  outline: none;
}

input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.12);
}

textarea {
  resize: vertical;
}

button,
.link-button {
  min-height: 41px;
  border: 1px solid var(--primary);
  border-radius: 6px;
  padding: 0 16px;
  background: var(--primary);
  color: #fff;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

button:hover,
.link-button:hover {
  background: var(--primary-strong);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

button.secondary,
.link-button.secondary {
  background: #fff;
  color: var(--primary);
}

button.secondary:hover,
.link-button.secondary:hover {
  background: #edf7f5;
}

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

button.danger:hover,
button.icon-danger:hover {
  background: #fff3f1;
}

button.icon-danger {
  width: 41px;
  min-width: 41px;
  padding: 0;
  border-color: var(--danger);
  background: #fff;
  color: var(--danger);
  font-size: 22px;
  line-height: 1;
}

.inline-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, 240px) auto;
  align-items: end;
  gap: 12px;
}

.manual-form {
  display: grid;
  gap: 12px;
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr)) auto;
  align-items: end;
  gap: 12px;
}

.filter-actions,
.row-actions,
.export-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.export-actions {
  margin-bottom: 12px;
}

.user-form {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(180px, 1fr) auto auto;
  align-items: end;
  gap: 12px;
}

.checkbox-line {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 41px;
}

.category-create {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 12px;
}

.category-select-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 41px;
  gap: 8px;
  align-items: center;
}

.category-create[hidden] {
  display: none;
}

.table-heading,
.pager {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.table-tools {
  display: flex;
  align-items: end;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.table-tools label {
  min-width: 116px;
}

.table-heading span,
.pager span {
  color: var(--muted);
}

.table-wrap {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
}

table {
  width: 100%;
  min-width: 860px;
  border-collapse: collapse;
}

th,
td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  font-size: 14px;
}

.check-col {
  width: 42px;
  min-width: 42px;
  text-align: center;
}

.check-col input {
  margin: 0 auto;
}

th {
  background: #f8fafc;
  color: #475467;
  font-weight: 700;
}

td a {
  color: var(--primary);
  word-break: break-all;
}

td input[type="password"] {
  min-width: 150px;
}

tr:last-child td {
  border-bottom: 0;
}

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

.pager {
  justify-content: flex-end;
  margin-top: 14px;
}

.page-size-control {
  display: flex;
  grid-template-columns: none;
  align-items: center;
  gap: 8px;
  width: auto;
  color: var(--muted);
  white-space: nowrap;
}

.bulk-category-control {
  display: flex;
  align-items: end;
  gap: 8px;
  margin-right: auto;
}

.bulk-category-control label {
  min-width: 180px;
}

.bulk-category-control button {
  white-space: nowrap;
}

.page-size-control select {
  width: 96px;
  padding: 8px 10px;
}

@media (max-width: 960px) {
  .app-shell {
    padding: 14px;
  }

  .collect-panel,
  .manual-panel,
  .filter-panel,
  .list-panel {
    grid-column: 1 / -1;
  }

  .filter-grid,
  .user-form,
  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .app-shell {
    padding: 10px;
    gap: 10px;
  }

  .topbar,
  .inline-form,
  .filter-grid,
  .user-form,
  .category-create,
  .stats-grid {
    display: grid;
    grid-template-columns: 1fr;
  }

  .top-actions,
  .filter-actions,
  .row-actions,
  .export-actions,
  .bulk-category-control,
  .table-tools {
    justify-content: stretch;
  }

  .top-actions > *,
  .top-actions button,
  .top-actions .link-button,
  .filter-actions button,
  .row-actions button,
  .export-actions button,
  .user-form button,
  .category-create button,
  .bulk-category-control,
  .bulk-category-control button,
  .bulk-category-control label,
  .table-tools label {
    width: 100%;
  }

  .pager {
    display: grid;
    grid-template-columns: 1fr;
  }

  .page-size-control {
    width: 100%;
    justify-content: space-between;
  }

  .page-size-control select {
    width: 140px;
  }

  .category-select-row {
    grid-template-columns: minmax(0, 1fr) 41px;
  }

  h1 {
    font-size: 24px;
  }

  .panel,
  .auth-panel,
  .stat-card {
    padding: 14px;
  }
}