:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --surface-subtle: #f8fafc;
  --ink: #17212f;
  --ink-soft: #344054;
  --muted: #667085;
  --faint: #98a2b3;
  --line: #d8dee8;
  --line-soft: #e7ecf3;
  --primary: #155eef;
  --primary-hover: #004eeb;
  --primary-soft: #eff4ff;
  --success: #067647;
  --success-soft: #ecfdf3;
  --warning: #b54708;
  --warning-soft: #fffaeb;
  --danger: #b42318;
  --danger-soft: #fef3f2;
  --info: #175cd3;
  --info-soft: #eff8ff;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 8px 20px rgba(16, 24, 40, 0.06);
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  max-width: 100%;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  max-width: 100%;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.45 var(--font);
  -webkit-font-smoothing: antialiased;
}

.hidden {
  display: none !important;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 68px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: saturate(140%) blur(10px);
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid #c7d7fe;
  border-radius: 8px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0.04em;
}

h1,
h2 {
  margin: 0;
  color: var(--ink);
  line-height: 1.15;
}

h1 {
  font-size: 18px;
  font-weight: 650;
}

h2 {
  font-size: 22px;
  font-weight: 650;
}

.brand-block p,
.login-panel p {
  margin: 3px 0 0;
  color: var(--muted);
}

main {
  width: min(1260px, 100%);
  margin: 0 auto;
  padding: 22px 24px 28px;
}

.eyebrow {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 12px;
  padding: 4px 9px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: var(--surface-subtle);
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.login-view {
  display: grid;
  min-height: calc(100vh - 69px);
  place-items: center;
  padding: 24px;
}

.login-panel {
  width: min(430px, 100%);
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.login-form {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.control-strip {
  display: grid;
  gap: 12px;
  margin-bottom: 16px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04);
}

.toolbar,
.register-form {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) auto;
  align-items: center;
  gap: 10px;
}

input {
  width: 100%;
  min-height: 42px;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
  font-size: 16px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(21, 94, 239, 0.13);
}

.status-line {
  min-height: 20px;
  color: var(--muted);
  font-size: 13px;
}

.refresh-state {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid #d0d5dd;
  border-top-color: var(--primary);
  border-radius: 999px;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

button {
  min-height: 38px;
  padding: 8px 13px;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

button:disabled {
  cursor: progress;
  opacity: 0.6;
}

.primary {
  background: var(--primary);
  color: #ffffff;
}

.primary:hover:not(:disabled) {
  background: var(--primary-hover);
}

.secondary {
  border-color: var(--line);
  background: #ffffff;
  color: var(--ink-soft);
}

.secondary:hover:not(:disabled) {
  background: var(--surface-subtle);
  border-color: #b8c0cc;
}

.small-button {
  min-height: 32px;
  padding: 6px 10px;
  font-size: 12px;
}

.action-group {
  display: flex;
  gap: 8px;
  justify-content: flex-start;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04);
}

table {
  width: 100%;
  min-width: 820px;
  border-collapse: collapse;
}

th,
td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line-soft);
  text-align: left;
  vertical-align: middle;
  white-space: nowrap;
}

th {
  background: #f8fafc;
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

td {
  color: var(--ink-soft);
  font-weight: 400;
}

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

tr.is-refreshing td {
  background: var(--info-soft);
}

.drag-handle {
  display: inline-grid;
  place-items: center;
  width: 26px;
  min-width: 26px;
  min-height: 26px;
  padding: 0;
  border-color: var(--line-soft);
  background: var(--surface-subtle);
  color: var(--faint);
  cursor: grab;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -3px;
  touch-action: none;
  user-select: none;
}

.drag-handle:hover {
  border-color: #b8c0cc;
  color: var(--ink-soft);
}

.drag-handle:active,
.is-pointer-dragging .drag-handle {
  cursor: grabbing;
}

.is-dragging {
  opacity: 0.48;
}

tr.drag-over td {
  box-shadow: inset 0 2px 0 var(--primary);
}

.account-cell {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.number {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 650;
}

.badge-ok {
  background: var(--success-soft);
  color: var(--success);
}

.badge-warn {
  background: var(--warning-soft);
  color: var(--warning);
}

.badge-error {
  background: var(--danger-soft);
  color: var(--danger);
}

.badge-loading {
  background: var(--info-soft);
  color: var(--info);
}

.empty,
.error {
  padding: 28px;
  text-align: center;
}

.error {
  color: var(--danger);
}

.mobile-cards {
  display: none;
}

.client-card {
  max-width: 100%;
  overflow: hidden;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04);
}

.client-card.drag-over {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(21, 94, 239, 0.13);
}

.client-card.is-refreshing {
  border-color: #b2ddff;
  background: #f7fbff;
}

.client-card + .client-card {
  margin-top: 12px;
}

.client-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.client-title {
  flex: 1;
  min-width: 0;
}

.client-name {
  overflow-wrap: anywhere;
  color: var(--ink);
  font-size: 16px;
  font-weight: 600;
}

.client-id {
  margin-top: 3px;
  overflow-wrap: anywhere;
  color: var(--faint);
  font-size: 12px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.metric {
  padding: 10px;
  border: 1px solid var(--line-soft);
  border-radius: 6px;
  background: var(--surface-subtle);
}

.metric-label {
  color: var(--muted);
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.metric-value {
  margin-top: 4px;
  color: var(--ink);
  font-size: 22px;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 900px), (pointer: coarse) {
  body {
    font-size: 15px;
  }

  .app-header {
    align-items: stretch;
    flex-direction: column;
    padding: 14px 16px;
  }

  main {
    width: 100%;
    max-width: 100vw;
    padding: 16px;
  }

  .login-view {
    align-items: start;
    min-height: calc(100vh - 111px);
    width: 100%;
    padding: 12px;
  }

  .login-panel {
    width: 100%;
    max-width: none;
    padding: 18px;
    box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04);
  }

  .login-form,
  .login-form input,
  .login-form button,
  button {
    width: 100%;
  }

  button {
    min-height: 44px;
  }

  .toolbar,
  .register-form {
    grid-template-columns: 1fr;
    min-width: 0;
  }

  .table-wrap {
    display: none;
  }

  .mobile-cards {
    display: block;
  }

  .client-card-header {
    display: grid;
    grid-template-columns: auto 1fr;
  }

  .client-status {
    grid-column: 1 / -1;
    width: fit-content;
    margin-left: 44px;
  }

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

  .metric {
    min-width: 0;
    padding: 8px;
  }

  .metric-value {
    font-size: 19px;
  }

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