:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --panel: #ffffff;
  --text: #1f2937;
  --muted: #64748b;
  --line: #d8e0ea;
  --primary: #1769aa;
  --primary-dark: #0f4f82;
  --accent: #2f9e73;
  --shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Microsoft JhengHei", "Noto Sans TC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
}

a {
  color: inherit;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 36px max(24px, calc((100vw - 1120px) / 2)) 28px;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 8px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.15;
}

h2 {
  margin-bottom: 0;
  font-size: 20px;
}

.subtitle {
  margin-bottom: 0;
  color: var(--muted);
}

.brand-icon {
  width: 64px;
  height: 64px;
  object-fit: contain;
}

.header-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px;
}

.logout-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 14px;
  color: var(--primary);
  text-decoration: none;
  font-weight: 700;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.logout-link:hover,
.logout-link:focus-visible {
  color: #ffffff;
  background: var(--primary);
  border-color: var(--primary);
  outline: none;
}

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

.login-panel {
  width: min(420px, 100%);
  padding: 28px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.login-panel h1 {
  font-size: 32px;
}

.field-label {
  display: block;
  margin: 22px 0 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.password-input {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  color: var(--text);
  font: inherit;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.password-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(23, 105, 170, 0.16);
  outline: none;
}

.login-error {
  margin: 12px 0 0;
  color: #b42318;
  font-size: 14px;
  font-weight: 700;
}

.login-button {
  width: 100%;
  min-height: 46px;
  margin-top: 18px;
  color: #ffffff;
  font: inherit;
  font-weight: 700;
  border: 0;
  border-radius: 8px;
  background: var(--primary);
  cursor: pointer;
}

.login-button:hover,
.login-button:focus-visible {
  background: var(--primary-dark);
  outline: none;
}

.layout {
  display: grid;
  gap: 18px;
  width: min(1120px, calc(100% - 32px));
  margin: 28px auto;
}

.search-panel {
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.search-label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.search-input {
  width: 100%;
  min-height: 48px;
  padding: 10px 14px;
  color: var(--text);
  font: inherit;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(23, 105, 170, 0.16);
  outline: none;
}

.panel {
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

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

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.link-grid.compact {
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

.link-item {
  display: grid;
  gap: 4px;
  min-height: 86px;
  padding: 16px;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.link-item:hover,
.link-item:focus-visible {
  border-color: var(--primary);
  box-shadow: 0 8px 18px rgba(23, 105, 170, 0.14);
  transform: translateY(-1px);
  outline: none;
}

.link-item strong {
  font-size: 17px;
}

.link-item small {
  color: var(--muted);
  word-break: break-word;
}

.info-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin: 0 0 18px;
}

.info-list div {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
}

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

.info-list dd {
  margin: 4px 0 0;
  font-weight: 700;
}

.empty-state {
  margin: 0;
  padding: 18px;
  color: var(--muted);
  border: 1px dashed var(--line);
  border-radius: 8px;
  background: #fbfdff;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  color: #ffffff;
  text-decoration: none;
  font-weight: 700;
  border-radius: 8px;
  background: var(--primary);
}

.button-link:hover,
.button-link:focus-visible {
  background: var(--primary-dark);
  outline: none;
}

.notice {
  margin: 0;
  padding: 14px 16px;
  color: var(--primary-dark);
  font-weight: 700;
  border: 1px solid rgba(47, 158, 115, 0.35);
  border-radius: 8px;
  background: rgba(47, 158, 115, 0.08);
}

.backup-panel {
  border-color: #bfdbfe;
}

.backup-import-form textarea {
  width: 100%;
  padding: 10px 12px;
  color: var(--text);
  font: inherit;
  border: 1px solid var(--line);
  border-radius: 8px;
  resize: vertical;
}

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

.backup-report-list,
.backup-job-list {
  display: grid;
  gap: 10px;
}

.backup-report-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  color: inherit;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
}

.backup-report-link:hover,
.backup-report-link:focus-visible {
  border-color: var(--primary);
  box-shadow: 0 8px 18px rgba(23, 105, 170, 0.14);
  outline: none;
}

.backup-report-item strong,
.backup-job strong {
  display: block;
}

.backup-report-item small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
}

.backup-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}

.backup-badges span {
  padding: 4px 8px;
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 700;
  border-radius: 999px;
  background: #eaf4ff;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}

.metric-grid div {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
}

.metric-grid strong {
  display: block;
  font-size: 28px;
}

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

.backup-job {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--accent);
  border-radius: 8px;
  background: #ffffff;
}

.backup-job--warning {
  border-left-color: #d97706;
  background: #fffbeb;
}

.backup-job--error {
  border-left-color: #b42318;
  background: #fff5f4;
}

.backup-job dl {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 8px;
  margin: 10px 0 0;
}

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

.backup-job dd {
  margin: 2px 0 0;
  font-weight: 700;
}

.backup-job p {
  margin: 10px 0 0;
  color: #92400e;
  font-weight: 700;
}

.ctrl-link {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 5px 12px;
  color: var(--primary);
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
}

.ctrl-link:hover,
.ctrl-link:focus-visible {
  border-color: var(--primary);
  background: #f0f6ff;
  outline: none;
}

.todo-panel {
  border-color: #cbd5e1;
}

.add-todo-form {
  margin-bottom: 16px;
}

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

.todo-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
}

.todo-item strong {
  display: block;
}

.todo-item small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  word-break: break-word;
}

.todo-item > span {
  flex-shrink: 0;
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
}

.todo-item--done {
  background: #f8fafc;
}

.todo-item--done strong,
.todo-item--done small {
  color: var(--muted);
  text-decoration: line-through;
}

.admin-todo-list .todo-item {
  display: grid;
  align-items: stretch;
}

.todo-edit-form {
  grid-template-columns: minmax(180px, 1fr) minmax(180px, 1fr) auto;
  align-items: end;
}

.todo-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.todo-controls .delete-form {
  margin-top: 0;
}

.admin-layout {
  align-items: start;
}

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

.admin-form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.admin-form input,
.admin-form select {
  min-height: 42px;
  padding: 9px 10px;
  color: var(--text);
  font: inherit;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.admin-form button,
.delete-form button {
  min-height: 42px;
  padding: 9px 14px;
  color: #ffffff;
  font: inherit;
  font-weight: 700;
  border: 0;
  border-radius: 8px;
  background: var(--primary);
  cursor: pointer;
}

.admin-form button:hover,
.admin-form button:focus-visible {
  background: var(--primary-dark);
  outline: none;
}

.inline-form,
.add-link-form,
.link-edit-form {
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  align-items: end;
}

.add-link-form {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.admin-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.link-edit-form {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
}

.delete-form {
  margin-top: 8px;
}

.delete-form button {
  color: #b42318;
  border: 1px solid #f1b8b2;
  background: #fff5f4;
}

.delete-form button:hover,
.delete-form button:focus-visible {
  color: #ffffff;
  background: #b42318;
  outline: none;
}

.category-delete {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.site-footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto 28px;
  color: var(--muted);
  font-size: 13px;
}

/* Pinned section */
.pinned-panel {
  border-color: #fcd34d;
  background: #fefce8;
}
.pinned-panel .section-title {
  border-bottom-color: #fcd34d;
}
.link-item.is-pinned {
  border-color: #fcd34d;
  background: #fffbeb;
}
.link-item.is-pinned:hover,
.link-item.is-pinned:focus-visible {
  border-color: #d97706;
  box-shadow: 0 8px 18px rgba(217, 119, 6, 0.18);
}

/* Admin ordering & pin controls */
.section-title-text span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}
.order-controls {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.link-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 4px 0 8px;
}
.link-controls .delete-form {
  margin-top: 0;
}
.ctrl-btn {
  min-height: 34px;
  padding: 5px 12px;
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
  cursor: pointer;
  white-space: nowrap;
}
.ctrl-btn:hover,
.ctrl-btn:focus-visible {
  border-color: var(--primary);
  color: var(--primary);
  background: #f0f6ff;
  outline: none;
}
.ctrl-btn--pinned {
  color: #92400e;
  border-color: #fcd34d;
  background: #fefce8;
}
.ctrl-btn--pinned:hover,
.ctrl-btn--pinned:focus-visible {
  border-color: #d97706;
  background: #fef3c7;
  color: #92400e;
}

@media (max-width: 640px) {
  .site-header {
    display: grid;
    align-items: flex-start;
    padding-top: 24px;
  }

  .header-actions {
    justify-content: flex-start;
    gap: 8px;
  }

  .logout-link {
    min-height: 38px;
    padding: 7px 10px;
    font-size: 14px;
  }

  .brand-icon {
    width: 48px;
    height: 48px;
  }

  .layout {
    width: min(100% - 20px, 1120px);
    margin-top: 14px;
  }

  .panel {
    padding: 16px;
  }

  .section-title {
    display: block;
  }

  .section-title span {
    display: block;
    margin-top: 4px;
  }

  .link-grid,
  .link-grid.compact {
    grid-template-columns: 1fr;
  }

  .link-item {
    min-height: 74px;
    padding: 14px;
  }

  .inline-form,
  .add-link-form,
  .link-edit-form,
  .todo-edit-form {
    grid-template-columns: 1fr;
  }

  .backup-report-item {
    grid-template-columns: 1fr;
  }

  .backup-badges {
    justify-content: flex-start;
  }

  .todo-item {
    display: grid;
  }

  .todo-item > span {
    justify-self: start;
  }
}