/**
 * Application styles — uses semantic tokens from tokens.css
 */

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

body {
  font-family: var(--font-family-base);
  color: var(--color-fg-default);
  background-color: var(--color-canvas-subtle);
  line-height: 1.5;
  margin: 0;
  padding: 0;
  font-size: var(--font-size-body);
  -webkit-font-smoothing: antialiased;
}

.navbar,
.footer-custom {
  background-color: var(--color-canvas-default);
}

/* ── Navigation ── */
.navbar {
  background-color: var(--color-canvas-default) !important;
  border-bottom: 1px solid var(--color-border-default);
  padding: var(--space-3) 0;
  box-shadow: var(--shadow-sm);
}

.navbar-brand {
  font-weight: 600;
  color: var(--color-fg-default) !important;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
}

.navbar-nav .nav-link {
  color: var(--color-fg-default) !important;
  font-weight: 500;
  font-size: 0.9375rem;
  padding: var(--space-2) var(--space-4) !important;
  border-radius: var(--radius-sm);
  transition: color 0.15s, background-color 0.15s;
}

.navbar-nav .nav-link:hover {
  color: var(--color-accent-fg) !important;
  background-color: var(--color-canvas-subtle);
}

.navbar-toggler {
  border: 1px solid var(--color-border-default);
  padding: var(--space-1) var(--space-2);
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2833, 37, 41, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

[data-theme="github-dark"] .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28230, 237, 243, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-left: auto;
}

.nav-theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-sm);
  background: var(--color-canvas-default);
  color: var(--color-fg-muted);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: background-color 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}

.nav-theme-toggle:hover {
  background: var(--color-canvas-subtle);
  color: var(--color-fg-default);
  border-color: var(--color-border-emphasis);
}

.nav-theme-toggle svg {
  width: 1rem;
  height: 1rem;
  fill: currentColor;
}

.nav-theme-toggle .icon-sun { display: none; }
.nav-theme-toggle .icon-moon { display: block; }

[data-theme="github-dark"] .nav-theme-toggle .icon-sun { display: block; }
[data-theme="github-dark"] .nav-theme-toggle .icon-moon { display: none; }

.nav-avatar-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.1875rem var(--space-2) 0.1875rem 0.1875rem;
  border: 1px solid var(--color-border-default);
  border-radius: 999px;
  background: var(--color-canvas-default);
  color: var(--color-fg-default);
  font-size: var(--font-size-small);
  font-weight: 500;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: background-color 0.12s ease, border-color 0.12s ease;
}

.nav-avatar-btn.dropdown-toggle::after {
  display: none;
}

.nav-avatar-btn:hover,
.nav-avatar-btn:focus,
.nav-avatar-btn.show {
  background: var(--color-canvas-subtle);
  border-color: var(--color-border-emphasis);
  color: var(--color-fg-default);
}

.btn-close {
  filter: none;
}

[data-theme="github-dark"] .btn-close {
  filter: invert(1) grayscale(100%) brightness(200%);
}

[data-theme="github-dark"] .modal-content {
  background-color: var(--color-canvas-overlay);
  color: var(--color-fg-default);
}

[data-theme="github-dark"] .dropdown-menu {
  background-color: var(--color-canvas-overlay);
  color: var(--color-fg-default);
}

[data-theme="github-dark"] .form-control,
[data-theme="github-dark"] .form-select {
  background-color: var(--color-canvas-inset);
  color: var(--color-fg-default);
}

.nav-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: var(--color-accent-emphasis);
  color: var(--color-fg-on-emphasis);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.nav-avatar-label {
  max-width: 8rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-avatar-caret {
  width: 0.75rem;
  height: 0.75rem;
  opacity: 0.6;
  margin-right: 0.125rem;
}

.nav-user-menu {
  min-width: 14rem;
  padding: var(--space-1);
}

.nav-user-menu .dropdown-header {
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-small);
  color: var(--color-fg-muted);
  white-space: normal;
}

.nav-user-menu .dropdown-header strong {
  display: block;
  color: var(--color-fg-default);
  font-weight: 600;
  font-size: var(--font-size-body);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-canvas-subtle);
  border: 1px solid var(--color-border-default);
  color: var(--color-accent-fg);
}

.feature-icon svg {
  width: 1.25rem;
  height: 1.25rem;
  fill: currentColor;
}

@media (max-width: 991.98px) {
  .navbar-actions {
    margin-left: 0;
    margin-top: var(--space-3);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border-default);
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .nav-avatar-label {
    max-width: none;
  }
}

main {
  padding: 0;
  max-width: 100%;
}

/* ── Typography & inline code ── */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-fg-default);
  letter-spacing: -0.02em;
}

code:not(pre code):not(.code-block code) {
  padding: 0.15em 0.4em;
  font-size: 85%;
  font-family: var(--font-family-mono);
  background-color: var(--color-canvas-subtle);
  border: 1px solid var(--color-border-muted);
  border-radius: var(--radius-sm);
  color: var(--color-fg-default);
}

hr,
.divider {
  border: 0;
  border-top: 1px solid var(--color-border-default);
  margin: var(--space-6) 0;
  opacity: 1;
}

/* ── Page layout ── */
.app-page {
  padding-top: var(--space-6);
  padding-bottom: var(--space-12);
}

.page-header {
  margin-bottom: var(--space-6);
}

.page-header h1,
.page-header h2 {
  font-size: var(--font-size-h2);
  font-weight: 600;
  margin-bottom: var(--space-2);
  line-height: 1.25;
}

.page-header .page-description {
  color: var(--color-fg-muted);
  font-size: var(--font-size-body);
  margin-bottom: 0;
  max-width: 42rem;
}

.breadcrumb {
  font-size: var(--font-size-small);
  margin-bottom: var(--space-4);
}

.breadcrumb-item a {
  color: var(--color-accent-fg);
  text-decoration: none;
}

.breadcrumb-item a:hover {
  text-decoration: underline;
}

.breadcrumb-item.active {
  color: var(--color-fg-muted);
}

/* ── Project shell + underline tabs ── */
.project-shell {
  margin-bottom: var(--space-6);
}

.project-shell .breadcrumb {
  margin-bottom: var(--space-3);
}

.project-title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.project-title-meta {
  min-width: 0;
  flex: 1 1 18rem;
}

.project-title-meta h1,
.project-title-meta h2 {
  font-size: var(--font-size-h2);
  font-weight: 600;
  margin: 0 0 var(--space-2);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.project-title-sub {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
  color: var(--color-fg-muted);
  font-size: var(--font-size-small);
  margin: 0;
}

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

.UnderlineNav {
  display: flex;
  align-items: stretch;
  gap: var(--space-1);
  border-bottom: 1px solid var(--color-border-default);
  margin: 0 calc(-1 * var(--space-4)) 0;
  padding: 0 var(--space-4);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.UnderlineNav-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-3) calc(var(--space-3) - 2px);
  margin-bottom: -1px;
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  background: transparent;
  color: var(--color-fg-default);
  font-size: var(--font-size-body);
  font-weight: 500;
  line-height: 1.25;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: none;
  transition: color 0.12s ease, border-color 0.12s ease;
}

.UnderlineNav-item:hover {
  color: var(--color-fg-default);
  text-decoration: none;
  border-bottom-color: var(--color-border-muted);
  background: transparent;
}

.UnderlineNav-item.selected,
.UnderlineNav-item[aria-current="page"] {
  color: var(--color-fg-default);
  font-weight: 600;
  border-bottom-color: #fd8c73;
  text-decoration: none;
}

.UnderlineNav-item.selected:hover,
.UnderlineNav-item[aria-current="page"]:hover {
  border-bottom-color: #fd8c73;
}

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

.page-section-header h2,
.page-section-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
}

@media (min-width: 768px) {
  .UnderlineNav {
    margin-left: 0;
    margin-right: 0;
    padding-left: 0;
    padding-right: 0;
  }
}

/* ── Bootstrap overrides (GitHub feel) ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--font-size-body);
  font-weight: 500;
  line-height: 1.25;
  padding: 0.3125rem var(--control-padding-x);
  min-height: var(--control-height);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  transition: background-color 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.btn-sm {
  min-height: 1.75rem;
  padding: 0.1875rem 0.625rem;
  font-size: var(--font-size-small);
}

.btn-lg {
  min-height: var(--control-height-lg);
  padding: 0.625rem 1.25rem;
  font-size: 1rem;
}

.btn:disabled,
.btn.disabled {
  opacity: 0.55;
  box-shadow: none;
}

.btn-primary {
  background-color: var(--color-btn-primary-bg);
  border-color: rgba(31, 35, 40, 0.15);
  color: var(--color-fg-on-emphasis);
  font-weight: 500;
  box-shadow: var(--color-btn-primary-shadow);
  transition: background-color 0.15s, border-color 0.15s;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
  background-color: var(--color-btn-primary-hover) !important;
  border-color: rgba(31, 35, 40, 0.15) !important;
  color: var(--color-fg-on-emphasis) !important;
}

.btn-outline-secondary {
  color: var(--color-fg-default);
  border-color: var(--color-btn-neutral-border);
  background-color: var(--color-canvas-default);
  font-weight: 500;
}

.btn-outline-secondary:hover {
  background-color: var(--color-btn-neutral-hover);
  border-color: var(--color-border-emphasis);
  color: var(--color-fg-default);
}

.btn-secondary {
  background-color: var(--color-btn-neutral-bg);
  border-color: var(--color-btn-neutral-border);
  color: var(--color-fg-default);
  font-weight: 500;
}

.btn-secondary:hover {
  background-color: var(--color-btn-neutral-hover);
  border-color: var(--color-border-emphasis);
  color: var(--color-fg-default);
}

.btn-success {
  background-color: var(--color-btn-primary-bg);
  border-color: rgba(31, 35, 40, 0.15);
  color: var(--color-fg-on-emphasis);
  box-shadow: var(--color-btn-primary-shadow);
}

.btn-success:hover,
.btn-success:focus,
.btn-success:active {
  background-color: var(--color-btn-primary-hover) !important;
  border-color: rgba(31, 35, 40, 0.15) !important;
  color: var(--color-fg-on-emphasis) !important;
}

.btn-outline-primary {
  color: var(--color-accent-fg);
  border-color: var(--color-border-default);
  background-color: var(--color-canvas-default);
}

.btn-outline-primary:hover {
  background-color: var(--color-accent-emphasis);
  border-color: var(--color-accent-emphasis);
  color: var(--color-fg-on-emphasis);
}

.card {
  background-color: var(--color-canvas-default);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  box-shadow: none;
  overflow: hidden;
}

.card-header {
  background-color: var(--color-canvas-subtle);
  border-bottom: 1px solid var(--color-border-default);
  padding: var(--space-3) var(--space-4);
  font-weight: 600;
  font-size: var(--font-size-body);
  color: var(--color-fg-default);
}

.card-header .card-title,
.card-header strong {
  font-size: inherit;
  font-weight: 600;
  margin: 0;
}

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

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

.card .card {
  box-shadow: none;
}

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

.card-header.bg-primary {
  background-color: var(--color-btn-primary-bg) !important;
  border-bottom-color: rgba(31, 35, 40, 0.15);
}

.card-header.bg-dark {
  background-color: var(--color-code-bg) !important;
  border-bottom-color: var(--color-border-default);
}

.table {
  --bs-table-bg: transparent;
  --bs-table-color: var(--color-fg-default);
  --bs-table-border-color: var(--color-border-default);
  --bs-table-hover-bg: var(--color-canvas-subtle);
}

.table thead th {
  background-color: var(--color-canvas-subtle);
  border-bottom-width: 1px;
  font-weight: 600;
  font-size: var(--font-size-small);
  color: var(--color-fg-muted);
  text-transform: none;
  padding: var(--space-3) var(--space-4);
  white-space: nowrap;
}

.table td {
  padding: var(--space-3) var(--space-4);
  vertical-align: middle;
  font-size: var(--font-size-body);
}

.table-responsive {
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.card-body > .table-responsive {
  margin-left: calc(-1 * var(--space-4));
  margin-right: calc(-1 * var(--space-4));
  margin-bottom: calc(-1 * var(--space-4));
  width: calc(100% + 2 * var(--space-4));
  border: 0;
  border-top: 1px solid var(--color-border-default);
  border-radius: 0;
}

.table-hover > tbody > tr:hover > * {
  color: var(--color-fg-default);
}

.form-control,
.form-select {
  border-color: var(--color-border-default);
  border-radius: var(--radius-sm);
  color: var(--color-fg-default);
  background-color: var(--color-canvas-default);
  font-size: var(--font-size-body);
  line-height: 1.25;
  min-height: var(--control-height);
  padding: 0.3125rem var(--control-padding-x);
  box-shadow: inset 0 1px 0 rgba(31, 35, 40, 0.04);
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
}

.form-control::placeholder {
  color: var(--color-fg-subtle);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--color-accent-emphasis);
  box-shadow: var(--focus-ring);
  background-color: var(--color-canvas-default);
}

.form-label {
  font-size: var(--font-size-body);
  font-weight: 600;
  color: var(--color-fg-default);
  margin-bottom: var(--space-2);
}

.form-text,
.card-body > .text-muted,
.card-body > p.text-muted {
  font-size: var(--font-size-small);
  color: var(--color-fg-muted) !important;
}

.form-control[type="file"] {
  padding: 0.375rem var(--control-padding-x);
  line-height: 1.4;
}

.form-control[type="file"]::file-selector-button {
  margin-right: var(--space-3);
  padding: 0.1875rem 0.625rem;
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-sm);
  background-color: var(--color-btn-neutral-bg);
  color: var(--color-fg-default);
  font-size: var(--font-size-small);
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: background-color 0.12s ease;
}

.form-control[type="file"]::file-selector-button:hover {
  background-color: var(--color-btn-neutral-hover);
}

.input-group {
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-sm);
}

.input-group .form-control {
  border-right: 0;
  box-shadow: none;
}

.input-group .form-control:focus {
  z-index: 3;
}

.input-group .btn {
  border-color: var(--color-border-default);
  box-shadow: none;
}

.input-group .btn-outline-secondary {
  border-left: 0;
}

.form-panel {
  background-color: var(--color-canvas-subtle);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.form-panel .form-label {
  font-size: var(--font-size-small);
}

.form-panel .form-text {
  margin-bottom: var(--space-3);
}

.action-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.action-bar .btn {
  flex-shrink: 0;
}

.status-line {
  font-size: var(--font-size-small);
  color: var(--color-fg-muted);
}

.status-line code {
  font-size: inherit;
}

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

.empty-state h5 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-fg-default);
  margin-bottom: var(--space-2);
}

.form-check-input:checked {
  background-color: var(--color-btn-primary-bg);
  border-color: var(--color-btn-primary-bg);
}

.form-check-input:focus {
  box-shadow: var(--focus-ring);
  border-color: var(--color-accent-emphasis);
}

.dropdown-menu {
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-1);
}

.dropdown-item {
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  padding: var(--space-2) var(--space-3);
}

.dropdown-item:hover,
.dropdown-item:focus {
  background-color: var(--color-btn-neutral-hover);
  color: var(--color-fg-default);
}

.dropdown-item.active,
.dropdown-item:active {
  background-color: var(--color-accent-emphasis);
  color: var(--color-fg-on-emphasis);
}

.alert {
  border-radius: var(--radius-md);
  font-size: var(--font-size-body);
  border-width: 1px;
  box-shadow: none;
}

.alert .alert-heading {
  font-size: var(--font-size-body);
  font-weight: 600;
}

.modal-content {
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.modal-header {
  background-color: var(--color-canvas-subtle);
  border-bottom: 1px solid var(--color-border-default);
}

.modal-footer {
  background-color: var(--color-canvas-subtle);
  border-top: 1px solid var(--color-border-default);
}

.alert-info {
  background-color: var(--color-info-bg);
  border-color: var(--color-info-border);
  color: var(--color-info-fg);
}

.alert-success {
  background-color: var(--color-success-bg);
  border-color: var(--color-success-border);
  color: var(--color-success-fg);
}

.alert-warning {
  background-color: var(--color-warning-bg);
  border-color: var(--color-warning-border);
  color: var(--color-warning-fg);
}

.alert-danger {
  background-color: var(--color-danger-bg);
  border-color: var(--color-danger-border);
  color: var(--color-danger-fg);
}

.badge.bg-primary {
  background-color: var(--color-btn-primary-bg) !important;
}

.text-muted {
  color: var(--color-fg-muted) !important;
}

a {
  color: var(--color-accent-fg);
}

a:hover {
  color: var(--color-accent-emphasis-hover);
}

.toast-container {
  z-index: 9999;
}

/* ── Landing page ── */
.hero-section {
  padding: var(--space-20) var(--space-4);
  text-align: center;
  background: linear-gradient(180deg, var(--color-canvas-default) 0%, var(--color-canvas-subtle) 100%);
  border-bottom: 1px solid var(--color-border-default);
}

.hero-section--compact {
  padding: var(--space-16) var(--space-4);
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: var(--space-6);
  letter-spacing: -0.03em;
  color: var(--color-fg-default);
  line-height: 1.1;
}

.hero-subtitle {
  font-size: 1.375rem;
  color: var(--color-fg-muted);
  margin-bottom: var(--space-8);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  font-weight: 400;
  line-height: 1.5;
}

.hero-cta {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--space-8);
}

.btn-primary-custom {
  background-color: var(--color-btn-primary-bg);
  color: var(--color-fg-on-emphasis);
  border: 1px solid rgba(31, 35, 40, 0.15);
  padding: var(--space-3) var(--space-6);
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  text-decoration: none;
  display: inline-block;
  box-shadow: var(--color-btn-primary-shadow);
  transition: background-color 0.15s, transform 0.1s;
}

.btn-primary-custom:hover {
  background-color: var(--color-btn-primary-hover);
  color: var(--color-fg-on-emphasis);
  transform: translateY(-1px);
}

.btn-secondary-custom {
  background-color: var(--color-btn-neutral-bg);
  color: var(--color-fg-default);
  border: 1px solid var(--color-btn-neutral-border);
  padding: var(--space-3) var(--space-6);
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  text-decoration: none;
  display: inline-block;
  transition: background-color 0.15s, border-color 0.15s;
}

.btn-secondary-custom:hover {
  background-color: var(--color-btn-neutral-hover);
  border-color: var(--color-border-emphasis);
  color: var(--color-fg-default);
}

.features-section {
  padding: var(--space-20) var(--space-4);
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: 2rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: var(--space-12);
  color: var(--color-fg-default);
  letter-spacing: -0.02em;
}

.section-title--compact {
  margin-bottom: var(--space-4);
}

.section-lead {
  text-align: center;
  color: var(--color-fg-muted);
  margin-bottom: var(--space-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section-lead--lg {
  font-size: 1.25rem;
  margin-bottom: var(--space-8);
}

.text-center-block {
  text-align: center;
  margin-top: var(--space-8);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-16);
}

.feature-card {
  padding: var(--space-8);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  background: var(--color-canvas-default);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: var(--color-accent-emphasis);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--color-fg-default);
}

.feature-description {
  color: var(--color-fg-muted);
  line-height: 1.6;
}

.code-section {
  padding: var(--space-20) var(--space-4);
  background: var(--color-canvas-subtle);
  border-top: 1px solid var(--color-border-default);
  border-bottom: 1px solid var(--color-border-default);
}

.code-container {
  max-width: 900px;
  margin: 0 auto;
}

.code-block {
  background: var(--color-code-bg);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  overflow-x: auto;
  border: 1px solid var(--color-border-default);
  font-family: var(--font-family-mono);
  font-size: 0.875rem;
  line-height: 1.6;
}

.code-block code {
  color: var(--color-code-fg);
}

.code-comment { color: var(--color-code-comment); }
.code-keyword { color: var(--color-code-keyword); }
.code-string { color: var(--color-code-string); }
.code-function { color: var(--color-code-function); }
.code-type { color: var(--color-code-type); }

.badge-kind {
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.35em 0.7em;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
}

.badge-kind-apk {
  background-color: var(--color-badge-apk-bg);
  color: var(--color-badge-apk-fg);
  border-color: var(--color-badge-apk-border);
}

.badge-kind-firmware {
  background-color: var(--color-badge-firmware-bg);
  color: var(--color-badge-firmware-fg);
  border-color: var(--color-badge-firmware-border);
}

.footer-custom {
  padding: var(--space-12) var(--space-4);
  text-align: center;
  color: var(--color-fg-muted);
  border-top: 1px solid var(--color-border-default);
  background: var(--color-canvas-default);
  font-size: 0.875rem;
}

/* ── Shared utilities ── */
.log-pane {
  background: var(--color-code-bg);
  color: var(--color-code-fg);
  font-family: var(--font-family-mono);
  font-size: 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-default);
  overflow: auto;
}

.log-pane--fixed {
  height: 280px;
}

.log-pane--wrap {
  min-height: 240px;
  white-space: pre-wrap;
}

.hidden {
  display: none !important;
}

.link-accent {
  color: var(--color-accent-fg);
  text-decoration: none;
  font-weight: 500;
}

.link-accent:hover {
  text-decoration: underline;
}

/* ── Page containers ── */
.page-container {
  padding-top: var(--space-6);
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.125rem;
  }

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

/* ── Admin ── */
.admin-page {
  padding-top: var(--space-6);
  padding-bottom: var(--space-12);
}

.admin-page .page-intro {
  margin-bottom: var(--space-4);
}

.admin-project-item {
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border-muted);
}

.admin-project-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.admin-project-item:first-child {
  padding-top: 0;
}

.admin-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 9rem;
}

.admin-users-table td {
  vertical-align: top;
}

.admin-users-table .user-projects {
  min-width: 16rem;
}

#projectsGrouped {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* ── Project groups ── */
.project-group {
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-canvas-default);
}

.project-group + .project-group {
  margin-top: var(--space-4);
}

.project-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-canvas-subtle);
  border-bottom: 1px solid var(--color-border-default);
}

.project-group-tag,
.project-group-title {
  font-weight: 600;
  color: var(--color-fg-default);
}

.project-group-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  background: rgba(25, 135, 84, 0.12);
  color: #146c43;
  font-size: 0.875rem;
}

.project-group-count {
  color: var(--color-fg-muted);
  font-size: 0.875rem;
}

.project-group .table-responsive {
  border: 0;
  border-radius: 0;
  overflow-x: auto;
}

.project-group-table {
  margin-bottom: 0;
}

.project-group-table th,
.project-group-table td {
  padding: var(--space-3) var(--space-4);
}

.project-group-table thead th {
  background: transparent;
  border-bottom-width: 1px;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-fg-muted);
}

.badge-project-tag {
  background: rgba(13, 110, 253, 0.12);
  color: #0a58ca;
  font-weight: 500;
}

.project-row-tags {
  margin-top: 0.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.project-package-name {
  font-size: 0.8125rem;
}