/* NSA Rig Check Admin — design system */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --navy-900: #0f172a;
  --navy-800: #1e293b;
  --navy-700: #334155;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-muted: #dbeafe;
  --surface: #ffffff;
  --surface-muted: #f8fafc;
  --surface-subtle: #f1f5f9;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --text: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --success: #15803d;
  --success-bg: #f0fdf4;
  --warning: #b45309;
  --warning-bg: #fffbeb;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --header-h: 56px;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  background: var(--surface-muted);
  min-height: 100vh;
}

/* ── App shell ── */

.app-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--navy-900);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  height: var(--header-h);
}

.app-header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.app-header-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-left: auto;
}

.app-user-name {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.8125rem;
  font-weight: 500;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.app-brand {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.app-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.app-nav-btn {
  appearance: none;
  border: none;
  background: transparent;
  color: rgba(255, 255, 255, 0.72);
  font: inherit;
  font-weight: 500;
  font-size: 0.875rem;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.app-nav-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.app-nav-btn.is-active {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.app-main {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-6);
}

.app-view {
  display: none;
}

.app-view.is-active {
  display: block;
}

/* ── Page header ── */

.page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.page-header-text h1 {
  margin: 0 0 var(--space-1);
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-header-text p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* ── Panels & cards ── */

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.panel-body {
  padding: var(--space-6);
}

.panel-body-flush {
  padding: 0;
}

/* ── Buttons ── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  appearance: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font: inherit;
  font-weight: 500;
  font-size: 0.875rem;
  line-height: 1.25;
  padding: 0.5rem 1rem;
  min-height: 36px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border-strong);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--surface-subtle);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
  background: var(--surface-subtle);
  color: var(--text);
}

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

.btn-danger:hover:not(:disabled) {
  background: #b91c1c;
}

.btn-sm {
  min-height: 32px;
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
}

.btn-icon {
  min-width: 36px;
  min-height: 36px;
  padding: 0;
}

/* ── Forms ── */

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.form-input,
.form-select {
  width: 100%;
  appearance: none;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 0.875rem;
  padding: 0.5rem 0.75rem;
  min-height: 38px;
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-muted);
}

.form-checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--text);
}

.form-checkbox {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent);
}

/* ── Toolbar ── */

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.toolbar-grow {
  flex: 1;
  min-width: 160px;
}

/* ── Tables ── */

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.data-table thead {
  background: var(--surface-subtle);
  border-bottom: 1px solid var(--border);
}

.data-table th {
  text-align: left;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  padding: 0.75rem 1rem;
  white-space: nowrap;
}

.data-table th.text-center,
.data-table td.text-center {
  text-align: center;
}

.data-table th.text-right,
.data-table td.text-right {
  text-align: right;
}

.data-table td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.data-table tbody tr:hover {
  background: var(--surface-muted);
}

.sheet-name {
  font-weight: 600;
  color: var(--text);
}

/* ── Status toggle ── */

.status-cell {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.status-label {
  font-size: 0.8125rem;
  font-weight: 500;
  min-width: 52px;
}

.status-label.is-active {
  color: var(--success);
}

.status-label.is-inactive {
  color: var(--text-muted);
}

.toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
}

.toggle-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.toggle-track {
  width: 44px;
  height: 24px;
  background: var(--border-strong);
  border-radius: 999px;
  transition: background 0.15s;
  position: relative;
}

.toggle-track::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: #fff;
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s;
}

.toggle-input:checked + .toggle-track {
  background: var(--accent);
}

.toggle-input:checked + .toggle-track::after {
  transform: translateX(20px);
}

.toggle-input:focus-visible + .toggle-track {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ── Row actions & overflow menu ── */

.row-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2);
}

.row-menu {
  position: relative;
}

.row-menu-btn {
  appearance: none;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text-secondary);
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  font-size: 1.125rem;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.row-menu-btn:hover,
.row-menu-btn[aria-expanded="true"] {
  background: var(--surface-subtle);
  border-color: var(--border-strong);
  color: var(--text);
}

.row-menu-dropdown {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 4px);
  min-width: 180px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  z-index: 30;
  padding: var(--space-1);
}

.row-menu-dropdown.is-open {
  display: block;
}

.row-menu-item {
  display: block;
  width: 100%;
  appearance: none;
  border: none;
  background: transparent;
  text-align: left;
  font: inherit;
  font-size: 0.875rem;
  padding: 0.5rem 0.75rem;
  border-radius: calc(var(--radius) - 2px);
  color: var(--text);
  cursor: pointer;
}

.row-menu-item:hover {
  background: var(--surface-subtle);
}

.row-menu-item.is-destructive {
  color: var(--danger);
}

.row-menu-divider {
  height: 1px;
  background: var(--border);
  margin: var(--space-1) 0;
}

/* ── Secondary tabs (Reports) ── */

.subnav {
  display: flex;
  gap: var(--space-1);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-6);
}

.subnav-btn {
  appearance: none;
  border: none;
  background: transparent;
  font: inherit;
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--text-muted);
  padding: var(--space-3) var(--space-4);
  margin-bottom: -1px;
  border-bottom: 2px solid transparent;
  cursor: pointer;
}

.subnav-btn:hover {
  color: var(--text);
}

.subnav-btn.is-active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.subview {
  display: none;
}

.subview.is-active {
  display: block;
}

/* ── Completion status ── */

.pct-value {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.pct-good { color: var(--success); }
.pct-warn { color: var(--warning); }
.pct-poor { color: var(--danger); }

/* ── Empty state ── */

.empty-state {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  color: var(--text-muted);
}

.empty-state-title {
  font-weight: 600;
  color: var(--text-secondary);
  margin: 0 0 var(--space-1);
}

.empty-state-desc {
  margin: 0;
  font-size: 0.875rem;
}

/* ── Pagination ── */

.pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border);
  background: var(--surface-muted);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.pagination-page {
  padding: 0.375rem 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-weight: 500;
  color: var(--text);
}

/* ── Modals ── */

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(15, 23, 42, 0.5);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: var(--space-4);
  overflow-y: auto;
}

.modal-overlay.is-centered {
  align-items: center;
}

.modal-overlay.is-confirm {
  z-index: 70;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  width: 100%;
  max-width: 480px;
  margin: var(--space-4) auto;
}

.modal-lg {
  max-width: 960px;
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border);
}

.modal-header-text h2 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
}

.modal-header-text p {
  margin: var(--space-1) 0 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.modal-close {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: var(--radius);
  cursor: pointer;
  flex-shrink: 0;
}

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

.modal-body {
  padding: var(--space-6);
}

.modal-body-scroll {
  max-height: calc(100vh - 200px);
  overflow-y: auto;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border);
  background: var(--surface-muted);
}

/* ── Sheet editor hierarchy ── */

.sheet-editor-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.container-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface-muted);
  overflow: hidden;
}

.container-card-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.container-card-title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}

.container-card-name {
  font-weight: 600;
  font-size: 0.9375rem;
}

.type-badge {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.125rem 0.5rem;
  border-radius: 999px;
  background: var(--surface-subtle);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.container-card-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.container-card-body {
  padding: var(--space-4);
}

.compartment-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  margin-bottom: var(--space-3);
  overflow: hidden;
}

.compartment-card:last-child {
  margin-bottom: 0;
}

.compartment-card-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--surface-muted);
  border-bottom: 1px solid var(--border);
}

.compartment-card-name {
  font-weight: 500;
  font-size: 0.875rem;
}

.item-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.item-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}

.item-row:last-child {
  border-bottom: none;
}

.item-row:hover {
  background: var(--surface-muted);
}

.item-row-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
}

.item-meta {
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.item-expires {
  color: var(--warning);
  font-size: 0.75rem;
  font-weight: 500;
}

.item-row-actions {
  display: flex;
  gap: var(--space-2);
}

/* ── Drag handles ── */

.drag-handle,
.compartment-drag-handle {
  cursor: grab;
  color: var(--text-muted);
  flex-shrink: 0;
  touch-action: none;
}

.drag-handle svg,
.compartment-drag-handle svg {
  width: 20px;
  height: 20px;
}

.drag-handle:active,
.compartment-drag-handle:active {
  cursor: grabbing;
}

/* Sortable.js states */
.sortable-ghost {
  opacity: 0.45;
  background: var(--surface-subtle);
}

.sortable-chosen {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  background: var(--accent-muted);
  cursor: grabbing !important;
}

.sortable-drag {
  box-shadow: var(--shadow-md);
  cursor: grabbing !important;
  z-index: 9999 !important;
}

.sortable-chosen,
.sortable-drag,
.sortable-ghost {
  user-select: none !important;
}

/* ── Report blocks ── */

.report-block {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-6);
}

.report-block-header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border);
  background: var(--surface-muted);
}

.report-block-header h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.report-block-header p {
  margin: var(--space-1) 0 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ── Detail modal sections ── */

.detail-alert {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
  margin-bottom: var(--space-5);
}

.detail-alert-danger {
  background: var(--danger-bg);
  border-color: #fecaca;
}

.detail-alert-success {
  background: var(--success-bg);
  border-color: #bbf7d0;
}

.detail-alert-title {
  font-weight: 600;
  margin: 0 0 var(--space-3);
}

.detail-fields-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-3);
}

.detail-field-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-3);
}

.detail-field-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
}

.detail-field-value {
  font-weight: 600;
  margin-top: var(--space-1);
}

/* ── Custom fields modal list ── */

.custom-field-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
  background: var(--surface-muted);
  margin-bottom: var(--space-3);
}

.custom-field-card:last-child {
  margin-bottom: 0;
}

/* ── Toast & loader ── */

.toast {
  position: fixed;
  top: calc(var(--header-h) + var(--space-4));
  right: var(--space-4);
  z-index: 60;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  color: #fff;
  box-shadow: var(--shadow-md);
  transition: opacity 0.3s;
}

.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-info { background: var(--accent); }

.loader-overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: rgba(15, 23, 42, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
}

.loader-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  box-shadow: var(--shadow-md);
}

.loader-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

/* ── Filter panel ── */

.filter-panel {
  border-bottom: 1px solid var(--border);
  background: var(--surface-muted);
  padding: var(--space-5) var(--space-6);
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-4);
}

.filter-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--space-2);
}

/* ── Scrollbar ── */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--surface-subtle);
}

::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 4px;
}

/* ── Responsive ── */

@media (max-width: 640px) {
  .app-header-inner {
    padding: 0 var(--space-4);
  }

  .app-main {
    padding: var(--space-4);
  }

  .page-header {
    flex-direction: column;
    align-items: stretch;
  }

  .page-header .btn-primary {
    width: 100%;
  }

  .row-actions {
    flex-wrap: wrap;
  }

  .modal {
    margin: 0;
    max-height: calc(100vh - var(--space-4));
  }
}

/* ── Auth gates (Phase 1C) ── */

.auth-gate {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: var(--surface-muted);
}

.auth-gate.hidden,
#appShell.hidden {
  display: none !important;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow-md);
  text-align: center;
}

.auth-title {
  margin: 0 0 0.35rem;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text);
}

.auth-subtitle {
  margin: 0 0 1.5rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.auth-body {
  margin: 0 0 1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  text-align: left;
}

.auth-muted {
  margin: 0.5rem 0 1.25rem;
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.auth-footnote {
  margin: 1.25rem 0 0;
  color: var(--text-muted);
  font-size: 0.75rem;
  line-height: 1.4;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  text-align: left;
}

.auth-label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.auth-input {
  width: 100%;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 0.65rem 0.75rem;
  font: inherit;
  font-size: 0.875rem;
  color: var(--text);
  background: var(--surface);
}

.auth-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-muted);
}

.auth-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 40px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font: inherit;
  font-weight: 500;
  font-size: 0.875rem;
  cursor: pointer;
}

.auth-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.auth-btn-primary {
  background: var(--navy-900);
  color: #fff;
}

.auth-btn-primary:hover:not(:disabled) {
  background: var(--navy-800);
}

.auth-btn-google {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border-strong);
  margin-bottom: 0.25rem;
}

.auth-btn-google:hover:not(:disabled) {
  background: var(--surface-subtle);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1.25rem 0;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

.auth-link {
  appearance: none;
  border: none;
  background: none;
  color: var(--accent);
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  margin-top: 0.85rem;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.auth-error {
  margin-top: 0.85rem;
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius);
  background: var(--danger-bg);
  color: var(--danger);
  font-size: 0.8125rem;
  text-align: left;
}

.auth-spinner {
  width: 32px;
  height: 32px;
  margin: 0 auto 1rem;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: auth-spin 0.7s linear infinite;
}

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