:root {
  --bg: #f7f7f5;
  --panel: #ffffff;
  --panel-soft: #fbfbfa;
  --line: #e4e2df;
  --line-strong: #d6d2ce;
  --text: #20201d;
  --muted: #67645f;
  --faint: #918d86;
  --accent: #126c60;
  --accent-soft: #e1f4ef;
  --accent-line: #9bd8cc;
  --blue: #2c5f9e;
  --blue-soft: #e6eef8;
  --warn: #a85a13;
  --warn-soft: #fff1dc;
  --danger: #aa3030;
  --danger-soft: #fbe8e8;
  --ok: #287a4d;
  --ok-soft: #e4f3e9;
  --shadow: 0 1px 2px rgba(31, 30, 28, .05), 0 8px 24px rgba(31, 30, 28, .06);
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.5;
}

body.login-page {
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .68), rgba(247, 247, 245, .94)),
    var(--bg);
}

button,
input,
select {
  font: inherit;
}

.app-shell {
  display: grid;
  grid-template-columns: 264px minmax(0, 1fr);
  min-height: 100vh;
}

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

.login-panel {
  width: min(420px, 100%);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 24px;
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 18px;
}

.login-brand h1 {
  font-size: 22px;
}

.login-form {
  display: grid;
  gap: 14px;
  padding-top: 18px;
}

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

.login-form input {
  min-height: 40px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--panel-soft);
  color: var(--text);
  padding: 0 11px;
  outline: none;
}

.login-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.login-error {
  min-height: 20px;
  margin: 0;
  color: var(--danger);
  font-size: 13px;
}

.login-button {
  min-height: 42px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font-weight: 700;
}

.login-button:disabled {
  cursor: progress;
  opacity: .72;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 18px;
  border-right: 1px solid var(--line);
  background: #f0efec;
  padding: 18px 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 6px 10px;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--panel);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
}

.brand-title {
  font-weight: 700;
}

.brand-subtitle {
  color: var(--muted);
  font-size: 12px;
}

.nav {
  display: grid;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  min-height: 38px;
  gap: 10px;
  border-radius: 6px;
  color: var(--text);
  padding: 8px 10px;
  text-decoration: none;
}

.nav-item:hover,
.nav-item.active {
  background: rgba(255, 255, 255, .75);
}

.nav-item.active {
  box-shadow: inset 3px 0 0 var(--accent);
  color: #123b35;
  font-weight: 650;
}

.nav-icon {
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  color: var(--muted);
  font-family: var(--mono);
}

.sidebar-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  border-top: 1px solid var(--line);
  color: var(--muted);
  padding: 14px 8px 0;
  font-size: 12px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 99px;
  background: var(--ok);
  box-shadow: 0 0 0 4px var(--ok-soft);
}

.main {
  min-width: 0;
}

.topbar {
  position: sticky;
  z-index: 4;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--line);
  background: rgba(247, 247, 245, .92);
  padding: 18px 28px;
  backdrop-filter: blur(14px);
}

.eyebrow {
  margin: 0 0 3px;
  color: var(--faint);
  font-size: 12px;
}

h1 {
  margin: 0;
  font-size: 24px;
  letter-spacing: 0;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.search {
  display: flex;
  align-items: center;
  gap: 8px;
  width: min(360px, 38vw);
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--muted);
  padding: 0 10px;
}

.search input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
}

.icon-button,
.small-button {
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
}

.icon-button {
  width: 38px;
  height: 38px;
  font-size: 17px;
}

.small-button {
  min-height: 30px;
  padding: 0 10px;
}

.icon-button:hover,
.small-button:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
}

.content {
  display: grid;
  gap: 18px;
  padding: 24px 28px 36px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.metric,
.panel,
.task-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 1px 0 rgba(31, 30, 28, .02);
}

.metric {
  padding: 14px;
}

.metric-label {
  color: var(--muted);
  font-size: 12px;
}

.metric-value {
  margin-top: 6px;
  font-size: 26px;
  font-weight: 740;
}

.metric-note {
  margin-top: 3px;
  color: var(--faint);
  font-size: 12px;
}

.panel {
  overflow: hidden;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 12px;
}

.project-card {
  display: grid;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
  padding: 14px;
}

.project-card-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.project-card h2 {
  margin: 4px 0 2px;
  font-size: 18px;
  letter-spacing: 0;
}

.project-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.project-tags span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--muted);
  padding: 3px 8px;
  font-size: 12px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  padding: 13px 14px;
}

.panel-title {
  font-size: 15px;
  font-weight: 700;
}

.panel-subtitle {
  color: var(--muted);
  font-size: 12px;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.toolbar select {
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  padding: 0 9px;
}

.table-wrap {
  overflow: auto;
}

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

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 11px 12px;
  text-align: left;
  vertical-align: middle;
  white-space: nowrap;
}

th {
  position: sticky;
  top: 0;
  background: var(--panel-soft);
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

tbody tr:hover {
  background: #faf9f7;
}

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

.mono {
  font-family: var(--mono);
  font-size: 12px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 650;
}

.pill.ok {
  border-color: #b9dfc8;
  background: var(--ok-soft);
  color: var(--ok);
}

.pill.warn {
  border-color: #f4ce99;
  background: var(--warn-soft);
  color: var(--warn);
}

.pill.danger {
  border-color: #edb6b6;
  background: var(--danger-soft);
  color: var(--danger);
}

.pill.info {
  border-color: #bdd2ec;
  background: var(--blue-soft);
  color: var(--blue);
}

.task-list {
  display: grid;
  gap: 10px;
  padding: 12px;
}

.task-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  padding: 12px;
}

.task-title {
  margin: 0 0 4px;
  font-weight: 700;
}

.task-meta {
  color: var(--muted);
  font-size: 12px;
}

.empty-state {
  padding: 36px 18px;
  color: var(--muted);
  text-align: center;
}

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

  .sidebar {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

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

  .sidebar-footer {
    display: none;
  }

  .topbar {
    position: static;
  }

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

  .project-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .nav {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: stretch;
    flex-direction: column;
    padding: 16px;
  }

  .top-actions,
  .search {
    width: 100%;
  }

  .content {
    padding: 16px;
  }

  .summary-grid {
    grid-template-columns: 1fr;
  }

  .panel-header,
  .task-card {
    align-items: start;
    grid-template-columns: 1fr;
  }
}

/* 业务项目子表 */

.row-selectable {
  cursor: pointer;
}

.row-selectable.selected {
  background: var(--accent-soft) !important;
  box-shadow: inset 3px 0 0 var(--accent);
}

[data-theme="dark"] .row-selectable.selected {
  background: var(--accent-soft) !important;
  box-shadow: inset 3px 0 0 var(--accent);
}

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

.subpanel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 16px 10px;
}

.subpanel-header h3 {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  font-weight: 600;
}

/* CRUD: row actions, modal, confirm dialog ------------------------------- */

.row-actions {
  display: inline-flex;
  gap: 6px;
  white-space: nowrap;
}

.row-action {
  border: 1px solid var(--line-strong);
  background: var(--panel);
  color: var(--text);
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
}

.row-action:hover {
  border-color: var(--accent-line);
  color: var(--accent);
  background: var(--accent-soft);
}

.row-action.danger:hover {
  border-color: var(--danger);
  color: var(--danger);
  background: var(--danger-soft);
}

.primary-button {
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
  padding: 6px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 500;
}

.primary-button:hover {
  background: #0e574e;
  border-color: #0e574e;
}

.primary-button:disabled {
  opacity: .6;
  cursor: not-allowed;
}

.danger-button {
  background: var(--danger);
  color: #fff;
  border: 1px solid var(--danger);
  padding: 6px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 500;
}

.danger-button:hover {
  background: #911d1d;
}

.modal-backdrop,
.confirm-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(31, 30, 28, .42);
  display: grid;
  place-items: center;
  padding: 24px;
  z-index: 100;
  overflow: auto;
}

.modal-backdrop[hidden],
.confirm-backdrop[hidden] {
  display: none;
}

.modal {
  width: min(640px, 100%);
  max-height: calc(100vh - 48px);
  background: var(--panel);
  border-radius: 10px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
}

.modal-header h2 {
  margin: 0;
  font-size: 16px;
}

.modal-close {
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--muted);
  line-height: 1;
}

.modal-close:hover {
  color: var(--text);
}

.modal-body {
  padding: 20px;
  overflow: auto;
  display: grid;
  gap: 14px;
}

.modal-footer {
  border-top: 1px solid var(--line);
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.form-row {
  display: grid;
  gap: 6px;
}

.form-row label {
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
}

.form-row label .required {
  color: var(--danger);
}

.form-row input[type="text"],
.form-row input[type="number"],
.form-row input[type="date"],
.form-row input[type="time"],
.form-row input[type="datetime-local"],
.form-row select,
.form-row textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  padding: 8px 10px;
  background: var(--panel);
  color: var(--text);
  font-family: var(--sans);
}

.form-row textarea {
  min-height: 64px;
  resize: vertical;
  font-family: var(--mono);
  font-size: 13px;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: 2px solid var(--accent-line);
  outline-offset: 0;
  border-color: var(--accent);
}

.form-row .field-hint {
  font-size: 11px;
  color: var(--faint);
}

.form-row.checkbox-row {
  flex-direction: row;
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-row.checkbox-row label {
  font-size: 13px;
  color: var(--text);
  font-weight: normal;
}

.form-error {
  flex: 1;
  color: var(--danger);
  font-size: 12px;
  min-height: 18px;
}

.form-actions {
  display: flex;
  gap: 8px;
}

.confirm-card {
  width: min(420px, 100%);
  background: var(--panel);
  border-radius: 10px;
  box-shadow: var(--shadow);
  padding: 22px;
}

.confirm-card h2 {
  margin: 0 0 8px;
  font-size: 16px;
}

.confirm-message {
  color: var(--muted);
  margin: 0 0 18px;
  font-size: 13px;
  line-height: 1.5;
}

.confirm-card .form-actions {
  justify-content: flex-end;
}

/* Dark theme -------------------------------------------------------------- */

[data-theme="dark"] {
  --bg: #1a1a1a;
  --panel: #242424;
  --panel-soft: #1f1f1f;
  --line: #2f2f2f;
  --line-strong: #3a3a3a;
  --text: #e8e6e1;
  --muted: #a39e98;
  --faint: #6e6963;
  --accent: #2cbcae;
  --accent-soft: #143832;
  --accent-line: #2e7a70;
  --blue: #6da5e6;
  --blue-soft: #1a2840;
  --warn: #d99850;
  --warn-soft: #3d2a14;
  --danger: #e86464;
  --danger-soft: #3d1818;
  --ok: #5fc285;
  --ok-soft: #163022;
  --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .5);
}

[data-theme="dark"] body.login-page {
  background:
    linear-gradient(180deg, rgba(28, 28, 28, .65), rgba(20, 20, 20, .92)),
    var(--bg);
}

[data-theme="dark"] .sidebar {
  background: #151515;
}

[data-theme="dark"] .nav-item:hover,
[data-theme="dark"] .nav-item.active {
  background: rgba(255, 255, 255, .06);
}

[data-theme="dark"] .nav-item.active {
  color: var(--accent);
}

[data-theme="dark"] .topbar {
  background: rgba(36, 36, 36, .92);
}

[data-theme="dark"] tbody tr {
  box-shadow: 0 1px 0 rgba(0, 0, 0, .35);
}

[data-theme="dark"] tbody tr:hover {
  background: #2c2c2c;
}

[data-theme="dark"] .pill.ok {
  border-color: rgba(95, 194, 133, .35);
}

[data-theme="dark"] .pill.warn {
  border-color: rgba(217, 152, 80, .4);
}

[data-theme="dark"] .pill.danger {
  border-color: rgba(232, 100, 100, .4);
}

[data-theme="dark"] .pill.info {
  border-color: rgba(109, 165, 230, .35);
}

[data-theme="dark"] .modal-backdrop,
[data-theme="dark"] .confirm-backdrop {
  background: rgba(0, 0, 0, .6);
}

[data-theme="dark"] .primary-button {
  color: #0e2926;
  font-weight: 650;
}

[data-theme="dark"] .primary-button:hover {
  background: #1f9c92;
  border-color: #1f9c92;
}

[data-theme="dark"] .danger-button {
  color: #2a0e0e;
  font-weight: 650;
}

[data-theme="dark"] .danger-button:hover {
  background: #c44d4d;
}

[data-theme="dark"] .login-button {
  color: #0e2926;
}

[data-theme="dark"] .small-button:hover {
  background: var(--accent-soft);
}

[data-theme="dark"] .icon-button:hover {
  background: rgba(255, 255, 255, .05);
}

[data-theme="dark"] .form-row input:-webkit-autofill,
[data-theme="dark"] .form-row input:-webkit-autofill:hover,
[data-theme="dark"] .form-row input:-webkit-autofill:focus,
[data-theme="dark"] .login-form input:-webkit-autofill {
  -webkit-text-fill-color: var(--text);
  -webkit-box-shadow: 0 0 0 30px var(--panel-soft) inset;
  caret-color: var(--text);
}

.theme-toggle {
  background: transparent;
  border: 1px solid var(--line-strong);
  color: var(--text);
  cursor: pointer;
  width: 34px;
  height: 34px;
  border-radius: 6px;
  display: inline-grid;
  place-items: center;
  font-size: 16px;
  line-height: 1;
}

.theme-toggle:hover {
  background: var(--accent-soft);
  border-color: var(--accent-line);
  color: var(--accent);
}

.theme-toggle .theme-icon-dark { display: none; }
[data-theme="dark"] .theme-toggle .theme-icon-light { display: none; }
[data-theme="dark"] .theme-toggle .theme-icon-dark { display: inline; }