/* ── Card ── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-md);
  border-bottom: 1px solid var(--color-border);
  font-weight: 600;
  font-size: var(--font-size-sm);
  background: var(--color-surface);
}
.card-header h3 {
  font-size: var(--font-size-base);
  margin: 0;
}

.card-body {
  padding: var(--space-md);
}
.card-footer {
  padding: var(--space-sm) var(--space-md);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-2);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

/* Stat card (overview dashboard) */
.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  box-shadow: var(--shadow-sm);
}
.stat-card .stat-label {
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-text-secondary);
}
.stat-card .stat-value {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
}
.stat-card .stat-sub {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}
.stat-card .stat-icon {
  font-size: 28px;
  margin-bottom: var(--space-xs);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
  white-space: nowrap;
  line-height: 1.4;
  text-decoration: none;
}
.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

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

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--color-surface-2);
}

.btn-danger {
  background: var(--color-danger);
  color: #fff;
  border-color: var(--color-danger);
}
.btn-danger:hover:not(:disabled) {
  background: #c82333;
}

.btn-success {
  background: var(--color-success);
  color: #fff;
  border-color: var(--color-success);
}
.btn-success:hover:not(:disabled) {
  background: #218838;
}

.btn-ghost {
  background: transparent;
  color: var(--header-text);
  border-color: rgba(255, 255, 255, 0.25);
}
.btn-ghost:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.1);
}

.btn-sm {
  padding: 3px var(--space-sm);
  font-size: var(--font-size-xs);
}
.btn-lg {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--font-size-md);
}

.btn-icon {
  padding: var(--space-xs) var(--space-sm);
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  border-radius: var(--radius-sm);
}
.btn-icon:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

/* ── Badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  line-height: 1.6;
}

.badge-success {
  background: var(--color-success-bg);
  color: #155724;
  border: 1px solid var(--color-success-border);
}
.badge-danger {
  background: var(--color-danger-bg);
  color: #721c24;
  border: 1px solid var(--color-danger-border);
}
.badge-warning {
  background: var(--color-warning-bg);
  color: #856404;
  border: 1px solid var(--color-warning-border);
}
.badge-info {
  background: var(--color-info-bg);
  color: #0c5460;
  border: 1px solid var(--color-info-border);
}
.badge-secondary {
  background: var(--color-surface-2);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}
.badge-primary {
  background: #cfe2ff;
  color: #0a58ca;
  border: 1px solid #b6d4fe;
}

/* ── Toast notifications ── */
.toast-container {
  position: fixed;
  bottom: calc(var(--statusbar-height) + var(--space-md));
  right: var(--space-md);
  display: flex;
  flex-direction: column-reverse;
  gap: var(--space-sm);
  z-index: 9999;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-info);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  padding: var(--space-sm) var(--space-md);
  min-width: 280px;
  max-width: 420px;
  pointer-events: all;
  animation: slideIn var(--transition-md) forwards;
}
.toast.toast-success {
  border-left-color: var(--color-success);
}
.toast.toast-error {
  border-left-color: var(--color-danger);
}
.toast.toast-warning {
  border-left-color: var(--color-warning);
}
.toast.toast-fading {
  animation: fadeOut var(--transition-md) forwards;
}

.toast-icon {
  font-size: 16px;
  margin-top: 2px;
  flex-shrink: 0;
}
.toast-body {
  flex: 1;
  font-size: var(--font-size-sm);
}
.toast-title {
  font-weight: 600;
  margin-bottom: 2px;
}
.toast-msg {
  color: var(--color-text-secondary);
}
.toast-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
  font-size: 14px;
  padding: 0;
  line-height: 1;
}

@keyframes slideIn {
  from {
    transform: translateX(120%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}
@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
    height: 0;
    padding: 0;
    margin: 0;
    overflow: hidden;
  }
}

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.modal-box {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}
.modal-header h3 {
  margin: 0;
}
.modal-close {
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  color: var(--color-text-muted);
  padding: var(--space-xs);
  line-height: 1;
  border-radius: var(--radius-sm);
}
.modal-close:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

.modal-content {
  padding: var(--space-lg);
  flex: 1;
  overflow-y: auto;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
}

/* ── Status indicator (health dot) ── */
.health-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.health-dot.ok {
  background: var(--color-success);
  box-shadow: 0 0 4px var(--color-success);
}
.health-dot.warn {
  background: var(--color-warning);
  box-shadow: 0 0 4px var(--color-warning);
}
.health-dot.error {
  background: var(--color-danger);
  box-shadow: 0 0 4px var(--color-danger);
}
.health-dot.unknown {
  background: var(--color-text-muted);
}

/* ── Detail row (label: value) ── */
.detail-grid {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: var(--space-xs) var(--space-md);
  font-size: var(--font-size-sm);
}
.detail-label {
  color: var(--color-text-secondary);
  font-weight: 600;
  white-space: nowrap;
}
.detail-value {
  color: var(--color-text);
  word-break: break-all;
}

/* ── Tabs ── */
.tabs {
  display: flex;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: var(--space-md);
  gap: 0;
}
.tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition:
    color var(--transition-fast),
    border-color var(--transition-fast);
}
.tab-btn:hover {
  color: var(--color-text);
}
.tab-btn.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}
.tab-content {
  display: none;
}
.tab-content.active {
  display: block;
}

/* ── Toggle switch (settings) ────────────────────────────── */
.toggle-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 22px;
  flex-shrink: 0;
}
.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.toggle-track {
  position: absolute;
  inset: 0;
  background: var(--color-border);
  border-radius: 22px;
  cursor: pointer;
  transition: background 0.2s;
}
.toggle-track::before {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  left: 3px;
  top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s;
}
.toggle-switch input:checked + .toggle-track {
  background: var(--color-accent);
}
.toggle-switch input:checked + .toggle-track::before {
  transform: translateX(18px);
}

/* ── Quick Links list (settings) ─────────────────────────── */
.link-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}
.link-list li a {
  color: var(--color-accent);
  text-decoration: none;
  font-size: var(--fs-sm);
}
.link-list li a:hover {
  text-decoration: underline;
}

/* ── About block ─────────────────────────────────────────── */
.about-block .about-logo {
  margin-bottom: var(--spacing-md);
  text-align: center;
}