:root {
  --bg: #f3f6fb;
  --text: #1f2937;
  --card-bg: #ffffff;
  --card-border: #e5e7eb;
  --card-shadow: rgba(15, 23, 42, 0.06);
  --link: #334155;
  --link-hover: #1e293b;
  --table-bg: #ffffff;
  --th-bg: #f8fafc;
  --th-text: #334155;
  --td-border: #e5e7eb;
  --input-bg: #ffffff;
  --input-border: #d1d5db;
  --input-text: #1f2937;
  --label: #64748b;
  --tab-bar-bg: #f8fafc;
  --tab-border: #e5e7eb;
  --tab-text: #64748b;
  --tab-hover-bg: #f1f5f9;
  --tab-active-bg: #ffffff;
  --tab-active-text: #1e293b;
  --tab-active-border: #3b82f6;
  --portal-card-bg: #ffffff;
  --portal-card-border: #e5e7eb;
  --portal-text: #475569;
  --portal-heading: #1e293b;
  --portal-muted: #94a3b8;
  --portal-summary-border: #e2e8f0;
  --file-chip-bg: #f1f5f9;
  --file-chip-border: #e2e8f0;
  --file-chip-text: #334155;
  --detail-label: #64748b;
  --detail-value: #1e293b;
  --detail-border: #f1f5f9;
  --btn-primary: #3b82f6;
  --btn-primary-text: #ffffff;
  --btn-secondary: #64748b;
  --btn-secondary-text: #ffffff;
  --status-select-border: #cbd5e1;
  --status-select-bg: #ffffff;
  --status-select-text: #0f172a;
  --icon-btn-border: #fecaca;
  --icon-btn-text: #b91c1c;
  --icon-btn-hover: #fef2f2;
  --toast-bg: #0f172a;
  --toast-text: #ffffff;
}

[data-theme="dark"] {
  --bg: #0f172a;
  --text: #e2e8f0;
  --card-bg: #1e293b;
  --card-border: #334155;
  --card-shadow: rgba(0, 0, 0, 0.25);
  --link: #94a3b8;
  --link-hover: #e2e8f0;
  --table-bg: #1e293b;
  --th-bg: #334155;
  --th-text: #e2e8f0;
  --td-border: #334155;
  --input-bg: #334155;
  --input-border: #475569;
  --input-text: #e2e8f0;
  --label: #94a3b8;
  --tab-bar-bg: #1e293b;
  --tab-border: #334155;
  --tab-text: #94a3b8;
  --tab-hover-bg: #334155;
  --tab-active-bg: #1e293b;
  --tab-active-text: #e2e8f0;
  --tab-active-border: #60a5fa;
  --portal-card-bg: #1e293b;
  --portal-card-border: #334155;
  --portal-text: #94a3b8;
  --portal-heading: #e2e8f0;
  --portal-muted: #64748b;
  --portal-summary-border: #334155;
  --file-chip-bg: #334155;
  --file-chip-border: #475569;
  --file-chip-text: #e2e8f0;
  --detail-label: #94a3b8;
  --detail-value: #e2e8f0;
  --detail-border: #334155;
  --btn-primary: #3b82f6;
  --btn-primary-text: #ffffff;
  --btn-secondary: #475569;
  --btn-secondary-text: #ffffff;
  --status-select-border: #475569;
  --status-select-bg: #334155;
  --status-select-text: #e2e8f0;
  --icon-btn-border: #7f1d1d;
  --icon-btn-text: #fca5a5;
  --icon-btn-hover: #450a0a;
  --toast-bg: #000000;
  --toast-text: #ffffff;
}

[data-theme="dark"] .priority-chip.priority-low {
  background: #334155;
  color: #cbd5e1;
}

[data-theme="dark"] .priority-chip.priority-medium {
  background: #1e3a8a;
  color: #93c5fd;
}

[data-theme="dark"] .priority-chip.priority-high {
  background: #78350f;
  color: #fcd34d;
}

[data-theme="dark"] .priority-chip.priority-critical {
  background: #7f1d1d;
  color: #fca5a5;
}

[data-theme="dark"] .subsystem-tag {
  background: #334155;
  color: #cbd5e1;
  border-color: #475569;
}

body {
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  transition: background 0.25s ease, color 0.25s ease;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(90deg, #1e293b, #334155);
  color: #fff;
  padding: 14px 24px;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.2);
}

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

.topbar h1 {
  margin: 0;
  font-size: 20px;
}

.topbar a {
  color: inherit;
  text-decoration: none;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

main {
  padding: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.card {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 18px;
  border: 1px solid var(--card-border);
  box-shadow: 0 6px 20px var(--card-shadow);
  margin-bottom: 18px;
  transition: background 0.25s ease, border-color 0.25s ease;
}

.btn {
  display: inline-block;
  background: var(--btn-primary);
  color: var(--btn-primary-text);
  border: 0;
  border-radius: 8px;
  padding: 8px 14px;
  text-decoration: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
}

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

.btn.subtle-danger {
  background: transparent;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

.btn.subtle-danger:hover {
  background: #fef2f2;
}

.btn-small {
  padding: 4px 9px;
  font-size: 12px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--table-bg);
  border-radius: 10px;
  overflow: hidden;
  transition: background 0.25s ease;
}

th, td {
  border-bottom: 1px solid var(--td-border);
  padding: 10px;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--th-bg);
  color: var(--th-text);
  font-weight: 700;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

input, select {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--input-border);
  border-radius: 8px;
  box-sizing: border-box;
  margin: 4px 0 10px;
  background: var(--input-bg);
  color: var(--input-text);
  font-size: 14px;
  transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

label {
  font-weight: 600;
  display: block;
  font-size: 14px;
  color: var(--label);
}

.alerts {
  max-width: 1200px;
  margin: 16px auto 0;
  padding: 0 20px;
}

.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: opacity 0.35s ease;
}

.toast-container.hide {
  opacity: 0;
  pointer-events: none;
}

.toast {
  margin: 0;
  background: var(--toast-bg);
  color: var(--toast-text);
  padding: 10px 14px;
  border-radius: 9px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.28);
  min-width: 220px;
}

.toast.success {
  background: #166534;
  color: #fff;
}

.status-chip {
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 12px;
  background: #e2e8f0;
  color: #334155;
  font-weight: 600;
}

.status-chip.status-to-be-requested {
  background: #e2e8f0;
  color: #334155;
}

.status-chip.status-requested {
  background: #dbeafe;
  color: #1d4ed8;
}

.status-chip.status-preapproval-recieved {
  background: #dcfce7;
  color: #166534;
}

.status-chip.status-submitted-to-swd {
  background: #ede9fe;
  color: #6d28d9;
}

.status-chip.status-payment-at-accounts {
  background: #fff7ed;
  color: #c2410c;
}

.status-chip.status-complete {
  background: #ccfbf1;
  color: #0f766e;
}

.row-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.action-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.status-form {
  display: flex;
  gap: 8px;
  align-items: center;
}

.status-form select {
  min-width: 260px;
  margin-bottom: 0;
}

.fy-form {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  padding: 7px 12px;
  height: 36px;
  box-sizing: border-box;
}

.fy-form label {
  font-size: 12px;
  font-weight: 700;
  color: var(--label);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin: 0;
  white-space: nowrap;
}

.fy-form select {
  width: auto;
  min-width: 80px;
  margin: 0;
  padding: 2px 4px;
  font-size: 13px;
  border: 0;
  background: transparent;
  color: var(--input-text);
  height: auto;
}

.step-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 8px;
}

.inline-form {
  display: inline-block;
  margin-left: 0;
}

.inline-form.no-margin {
  margin: 0;
}

.auth-card {
  max-width: 420px;
  margin: 48px auto;
}

.auth-form .btn {
  margin-top: 6px;
}

.auth-note {
  margin-top: 10px;
  color: var(--label);
  font-size: 14px;
}

.inline-status-form {
  display: inline-flex;
  align-items: center;
  gap: 0;
  margin-left: 0;
}

.inline-status-form.hidden {
  display: none;
}

.status-select-small {
  width: auto;
  min-width: 185px;
  margin: 0;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--status-select-border);
  background: var(--status-select-bg);
  color: var(--status-select-text);
}

.title-cell {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
}

.status-stack {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.status-editor {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.status-pill {
  border: 0;
  cursor: pointer;
}

.hidden {
  display: none !important;
}

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

.inline-edit-row p {
  margin: 0;
}

.slab-edit-form {
  margin: 8px 0 6px;
}

.slab-input {
  max-width: 220px;
  margin-right: 8px;
}

.status-col {
  text-align: center;
}

.actions-col {
  width: 44px;
  text-align: center;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid var(--icon-btn-border);
  background: transparent;
  color: var(--icon-btn-text);
  cursor: pointer;
}

.icon-btn:hover {
  background: var(--icon-btn-hover);
}

/* Portal grid */
.portal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
}

.portal-card {
  background: var(--portal-card-bg);
  border-radius: 12px;
  padding: 22px;
  border: 1px solid var(--portal-card-border);
  box-shadow: 0 6px 20px var(--card-shadow);
  text-decoration: none;
  color: inherit;
  display: block;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.25s ease, border-color 0.25s ease;
}

.portal-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.10);
  text-decoration: none;
  color: inherit;
}

.portal-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--portal-heading);
}

.portal-card p {
  margin: 0 0 6px;
  color: var(--portal-text);
  font-size: 14px;
}

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

.portal-card.placeholder {
  opacity: 0.7;
}

.portal-summary {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--portal-summary-border);
}

.portal-summary p {
  margin: 4px 0;
  font-size: 13px;
  color: var(--portal-text);
}

.file-list {
  margin: 12px 0;
}

.file-list ul {
  list-style: none;
  padding: 0;
  margin: 6px 0 0;
}

.file-list li {
  margin: 6px 0;
}

/* Tabs */
.tabs {
  padding: 0;
  overflow: hidden;
}

.tab-bar {
  display: flex;
  border-bottom: 1px solid var(--tab-border);
  background: var(--tab-bar-bg);
}

.tab-btn {
  flex: 1;
  padding: 12px 16px;
  border: none;
  background: transparent;
  color: var(--tab-text);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all 0.15s ease;
}

.tab-btn:hover {
  color: var(--link-hover);
  background: var(--tab-hover-bg);
}

.tab-btn.active {
  color: var(--tab-active-text);
  border-bottom-color: var(--tab-active-border);
  background: var(--tab-active-bg);
}

.tab-content {
  padding: 18px;
}

.tab-content.hidden {
  display: none;
}

@keyframes tabFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.tab-content.animating {
  animation: tabFadeIn 0.25s ease;
}

/* Detail page header */
.detail-header {
  padding: 22px;
}

.detail-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.detail-title-row h2 {
  margin: 0;
  font-size: 22px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.detail-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.detail-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--detail-label);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.detail-value {
  font-size: 15px;
  color: var(--detail-value);
  font-weight: 500;
}

.detail-value .muted {
  color: var(--portal-muted);
  font-weight: 400;
}

.text-danger {
  color: #b91c1c;
}

.icon-btn.tiny {
  width: 22px;
  height: 22px;
  margin-left: 4px;
  vertical-align: middle;
}

/* File chips */
.file-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 4px;
  padding-top: 14px;
  border-top: 1px solid var(--detail-border);
}

.file-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--file-chip-bg);
  color: var(--file-chip-text);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--file-chip-border);
  transition: background 0.15s ease;
}

.file-chip:hover {
  background: var(--tab-hover-bg);
  text-decoration: none;
  color: var(--link-hover);
}

.file-chip svg {
  color: var(--label);
}

/* Detail actions */
.detail-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--detail-border);
}

/* Search bar */
.search-bar {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.search-bar input[type="search"] {
  min-width: 240px;
  margin: 0;
}

.search-bar select {
  width: auto;
  min-width: 160px;
  margin: 0;
}

/* Inline inputs in tables */
.inline-input {
  padding: 4px 8px;
  font-size: 13px;
  margin: 0;
  min-width: 100px;
}

.inline-input.compact {
  min-width: 80px;
  width: 100%;
}

.inline-select.compact {
  padding: 4px 8px;
  font-size: 13px;
  margin: 0;
  min-width: 80px;
  width: 100%;
}

/* Priority chips */
.priority-chip {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  text-transform: capitalize;
}

.priority-chip.priority-low {
  background: #e2e8f0;
  color: #334155;
}

.priority-chip.priority-medium {
  background: #dbeafe;
  color: #1d4ed8;
}

.priority-chip.priority-high {
  background: #fef3c7;
  color: #b45309;
}

.priority-chip.priority-critical {
  background: #fee2e2;
  color: #b91c1c;
}

/* Subsystem tags */
.subsystem-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  background: #f1f5f9;
  color: #475569;
  margin: 2px 4px 2px 0;
  border: 1px solid #e2e8f0;
}

/* Checkbox group */
.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 8px 0 14px;
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: auto;
  margin: 0;
}

/* Member groups */
.member-group {
  margin-bottom: 14px;
}

.member-group-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--detail-label);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin: 0 0 8px;
}

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

.member-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--file-chip-bg);
  color: var(--file-chip-text);
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--file-chip-border);
}

/* Dark mode toggle */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.1);
  color: #fff;
  cursor: pointer;
  font-size: 16px;
  padding: 0;
}

.theme-toggle:hover {
  background: rgba(255,255,255,0.2);
}

/* Login page */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
  padding: 24px;
}

.login-container {
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.login-brand {
  text-align: center;
  color: #fff;
}

.login-logo {
  margin-bottom: 12px;
  color: #60a5fa;
}

.login-brand h1 {
  margin: 0;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.login-tagline {
  margin: 6px 0 0;
  font-size: 15px;
  color: #94a3b8;
  font-weight: 500;
}

.login-card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 36px 32px;
  border: 1px solid var(--card-border);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  width: 100%;
  text-align: center;
  transition: background 0.25s ease, border-color 0.25s ease;
}

.login-card h2 {
  margin: 0 0 6px;
  font-size: 22px;
  color: var(--text);
}

.login-subtitle {
  margin: 0 0 24px;
  font-size: 14px;
  color: var(--label);
}

.google-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  padding: 12px 18px;
  border-radius: 10px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--input-text);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.1s ease;
}

.google-btn:hover {
  background: var(--tab-hover-bg);
}

.google-btn:active {
  transform: scale(0.98);
}

.google-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.google-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.login-error {
  margin: 14px 0 0;
  font-size: 13px;
  color: #ef4444;
  display: none;
}

.login-footer {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #94a3b8;
  font-size: 13px;
}

.login-footer p {
  margin: 0;
}

.theme-toggle-inline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.08);
  color: #fff;
  cursor: pointer;
  font-size: 16px;
  padding: 0;
}

.theme-toggle-inline:hover {
  background: rgba(255,255,255,0.15);
}

@media (max-width: 900px) {
  .grid {
    grid-template-columns: 1fr;
  }
  .portal-grid {
    grid-template-columns: 1fr;
  }
  .tab-bar {
    flex-wrap: wrap;
  }
  .tab-btn {
    flex: 1 1 50%;
    font-size: 13px;
    padding: 10px 8px;
  }
  .detail-grid {
    grid-template-columns: 1fr 1fr;
  }
  .detail-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .detail-actions .status-form {
    width: 100%;
  }
  .search-bar {
    flex-direction: column;
    align-items: stretch;
  }
  .search-bar input,
  .search-bar select {
    width: 100%;
    margin: 0;
  }
  .checkbox-group {
    flex-direction: column;
    gap: 8px;
  }
}