:root {
  --bg: #e8edf2;
  --ink: #121821;
  --muted: #647184;
  --surface: #ffffff;
  --surface-soft: #f6f8fa;
  --line: #d4dce6;
  --line-dark: rgba(255, 255, 255, 0.12);
  --nav: #111820;
  --nav-2: #1d2631;
  --gold: #c99a2e;
  --green: #2b9f65;
  --blue: #2f6fb1;
  --red: #c94d4d;
  --warn: #a96d16;
  --radius: 8px;
  font-family: Inter, Segoe UI, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

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

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

button {
  cursor: pointer;
}

.is-hidden {
  display: none !important;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(320px, 560px) 280px;
  place-content: center;
  gap: 20px;
  padding: 24px;
}

.login-panel,
.login-status,
.panel,
.command-form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.login-panel {
  padding: 28px;
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 20px;
  align-items: start;
}

.login-logo {
  width: 96px;
  height: 96px;
}

.login-panel h1 {
  margin: 2px 0 8px;
  font-size: 34px;
  line-height: 1;
}

.login-panel p {
  color: var(--muted);
  margin-bottom: 0;
}

.login-form {
  grid-column: 1 / -1;
  display: grid;
  gap: 12px;
}

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

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  padding: 10px 11px;
}

textarea {
  min-height: 86px;
  resize: vertical;
}

.login-form button,
.top-actions button,
.command-form button,
.action-row button {
  border: 0;
  border-radius: 6px;
  background: var(--ink);
  color: #fff;
  padding: 10px 14px;
}

.form-error {
  min-height: 20px;
  color: var(--red);
  margin: 0;
}

.login-status {
  padding: 20px;
  display: grid;
  align-content: center;
  gap: 10px;
}

.login-status strong {
  font-size: 18px;
}

.login-status span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 10px;
  color: var(--muted);
  background: var(--surface-soft);
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 278px minmax(0, 1fr);
}

.sidebar {
  background: var(--nav);
  color: #fff;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-dark);
}

.brand img {
  width: 46px;
  height: 46px;
}

.brand strong,
.brand span {
  display: block;
}

.brand span {
  color: #aeb8c5;
  font-size: 12px;
}

.nav-list {
  display: grid;
  gap: 5px;
}

.nav-list button,
.mobile-link {
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: #dbe3ed;
  display: grid;
  grid-template-columns: 34px 1fr;
  align-items: center;
  text-align: left;
  gap: 8px;
  min-height: 42px;
  padding: 7px 10px;
  text-decoration: none;
}

.nav-list button span {
  color: #8d9aaa;
  font-size: 11px;
}

.nav-list button.active,
.nav-list button:hover,
.mobile-link:hover {
  background: var(--nav-2);
  border-color: var(--line-dark);
  color: #fff;
}

.mobile-link {
  margin-top: auto;
  grid-template-columns: 1fr;
}

.main {
  min-width: 0;
}

.topbar {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  position: sticky;
  top: 0;
  z-index: 5;
}

.eyebrow {
  display: block;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 0;
  font-size: 25px;
}

h2 {
  margin-bottom: 4px;
  font-size: 18px;
}

h3 {
  margin: 18px 0 8px;
  font-size: 13px;
  color: var(--muted);
  text-transform: uppercase;
}

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

#sessionBadge,
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: 999px;
  padding: 3px 9px;
  font-size: 12px;
  border: 1px solid var(--line);
  background: var(--surface-soft);
  color: var(--ink);
  white-space: nowrap;
}

.badge.ok {
  color: var(--green);
  border-color: rgba(43, 159, 101, 0.35);
}

.badge.warn {
  color: var(--warn);
  border-color: rgba(201, 154, 46, 0.35);
}

.badge.danger {
  color: var(--red);
  border-color: rgba(201, 77, 77, 0.35);
}

.content {
  padding: 22px;
}

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

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(140px, 1fr));
  gap: 12px;
}

.metric-card {
  min-width: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 4px solid var(--muted);
  border-radius: var(--radius);
  padding: 14px;
}

.metric-card.gold {
  border-top-color: var(--gold);
}

.metric-card.green {
  border-top-color: var(--green);
}

.metric-card.blue {
  border-top-color: var(--blue);
}

.metric-card.red {
  border-top-color: var(--red);
}

.metric-card span,
.metric-card small {
  display: block;
  color: var(--muted);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.metric-card strong {
  display: block;
  margin: 8px 0 6px;
  font-size: 28px;
  line-height: 1;
  overflow-wrap: anywhere;
}

.panel,
.command-form {
  min-width: 0;
  padding: 16px;
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.panel-head p {
  color: var(--muted);
  margin-bottom: 0;
}

.status-grid,
.mini-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(140px, 1fr));
  gap: 10px;
}

.status-grid div,
.mini-grid div {
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
  min-width: 0;
}

.status-grid span,
.mini-grid span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.status-grid strong,
.mini-grid strong {
  display: block;
  margin-top: 6px;
  word-break: break-word;
}

.alert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.flow-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.flow-list span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 10px;
  color: var(--muted);
  background: var(--surface-soft);
  font-size: 12px;
}

.connector-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(220px, 1fr));
  gap: 12px;
}

.connector-card {
  border: 1px solid var(--line);
  border-left: 4px solid var(--red);
  border-radius: 8px;
  background: var(--surface-soft);
  padding: 12px;
  display: grid;
  gap: 8px;
}

.connector-card.online {
  border-left-color: var(--green);
}

.connector-card span,
.connector-card small {
  color: var(--muted);
  font-size: 12px;
}

.connector-card strong,
.connector-card span {
  display: block;
}

.connector-card p {
  margin-bottom: 0;
  word-break: break-word;
}

.db-validation-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(260px, 1fr));
  gap: 12px;
}

.db-validate-form {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
  padding: 12px;
  display: grid;
  gap: 11px;
}

.db-form-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}

.db-form-head h3 {
  margin-top: 0;
}

.db-form-head p {
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 0;
}

.db-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.db-form-grid label:nth-child(3),
.db-form-grid label:nth-child(5) {
  grid-column: 1 / -1;
}

.db-validate-form button {
  border: 0;
  border-radius: 6px;
  background: var(--ink);
  color: #fff;
  padding: 10px 12px;
}

.db-validate-form button:disabled {
  opacity: 0.68;
  cursor: wait;
}

.db-validation-output {
  min-height: 62px;
  display: grid;
  gap: 8px;
}

.validation-empty {
  color: var(--muted);
  font-size: 12px;
  margin: 0;
}

.validation-result {
  border: 1px solid var(--line);
  border-left: 4px solid var(--red);
  border-radius: 6px;
  background: #fff;
  padding: 10px;
}

.validation-result.ok {
  border-left-color: var(--green);
}

.validation-result strong,
.validation-result span,
.validation-result small {
  display: block;
  overflow-wrap: anywhere;
}

.validation-result span,
.validation-result small {
  color: var(--muted);
  font-size: 12px;
  margin-top: 4px;
}

.mapping-grid,
.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(220px, 1fr));
  gap: 12px;
}

.mapping-card,
.plan-grid article {
  min-width: 0;
  border: 1px solid var(--line);
  border-left: 4px solid var(--red);
  border-radius: 8px;
  background: var(--surface-soft);
  padding: 12px;
  display: grid;
  gap: 8px;
}

.mapping-card.auto-mapped {
  border-left-color: var(--green);
}

.mapping-card.candidate {
  border-left-color: var(--gold);
}

.mapping-card div {
  min-width: 0;
}

.mapping-card span,
.mapping-card small {
  color: var(--muted);
  font-size: 12px;
}

.mapping-card strong,
.mapping-card span {
  display: block;
}

.mapping-card b {
  color: var(--blue);
  font-size: 20px;
}

.mapping-card p {
  margin-bottom: 0;
  word-break: break-word;
}

.plan-grid article > strong {
  display: block;
  margin-bottom: 4px;
}

.alert {
  border: 1px solid var(--line);
  border-left: 4px solid var(--blue);
  border-radius: 6px;
  padding: 12px;
  background: var(--surface-soft);
}

.alert.warning {
  border-left-color: var(--gold);
}

.alert.danger {
  border-left-color: var(--red);
}

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

.module-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}

.module-chip,
.module-card {
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-soft);
  color: var(--ink);
  padding: 11px;
}

.module-chip strong,
.module-chip span,
.module-card strong,
.module-card span,
.module-card small {
  display: block;
}

.module-chip span,
.module-card span,
.module-card small {
  color: var(--muted);
  font-size: 12px;
  margin-top: 4px;
}

.systems-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 16px;
  align-items: start;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(170px, 1fr));
  gap: 10px;
}

.module-card.selected {
  border-color: var(--gold);
  background: #fff8e7;
}

.detail-panel {
  position: sticky;
  top: 96px;
}

.mini-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.mini-list span {
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-soft);
  padding: 5px 8px;
  color: var(--muted);
  font-size: 12px;
  word-break: break-word;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.action-row button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.action-row button span {
  color: #d8e2ec;
  font-size: 11px;
}

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

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

th,
td {
  padding: 10px 11px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  font-size: 13px;
  word-break: break-word;
}

th {
  color: var(--muted);
  background: var(--surface-soft);
  font-weight: 700;
}

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

.empty {
  color: var(--muted);
  padding: 20px;
}

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

.command-form p {
  color: var(--muted);
  margin-bottom: 0;
}

@media (max-width: 1260px) {
  .metrics-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .module-strip {
    grid-template-columns: repeat(3, 1fr);
  }

  .systems-layout {
    grid-template-columns: 1fr;
  }

  .detail-panel {
    position: static;
  }
}

@media (max-width: 900px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

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

  .nav-list button {
    grid-template-columns: 1fr;
  }

  .nav-list button span {
    display: none;
  }

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

  .metrics-grid,
  .status-grid,
  .mini-grid,
  .alert-grid,
  .connector-grid,
  .db-validation-grid,
  .mapping-grid,
  .plan-grid,
  .module-strip,
  .module-grid {
    grid-template-columns: 1fr;
  }

  .login-shell {
    grid-template-columns: 1fr;
  }
}