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

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: var(--line-relaxed);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-fast);
}

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

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-md);
  border: var(--border-width) var(--border-style) transparent;
  background: var(--color-surface);
  color: var(--color-text);
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast),
    background-color var(--transition-fast), color var(--transition-fast);
  text-decoration: none;
  box-shadow: var(--shadow-xs);
}

.btn.btn-sm {
  min-height: 36px;
  padding: 0.45rem 0.75rem;
  font-size: var(--text-sm);
}

.btn:hover:not(:disabled):not(.is-loading) {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn:active:not(:disabled):not(.is-loading) {
  transform: translateY(0);
  box-shadow: var(--shadow-xs);
}

.btn:disabled,
.btn.is-loading {
  cursor: not-allowed;
  opacity: 0.65;
  box-shadow: none;
}

.btn-primary {
  background: linear-gradient(140deg, var(--color-primary), var(--color-primary-strong));
  color: #ffffff;
  border-color: var(--color-primary-strong);
}

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

.btn-ghost {
  background: var(--color-ghost);
  color: var(--color-text);
  border-color: var(--color-border);
  box-shadow: none;
}

.btn-danger {
  background: linear-gradient(140deg, var(--color-danger), #dc2626);
  color: #ffffff;
  border-color: #dc2626;
}

.btn-plain {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  color: var(--color-text);
}

.btn.is-loading {
  position: relative;
  pointer-events: none;
}

.btn.is-loading::after {
  content: '';
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid currentColor;
  border-top-color: transparent;
  opacity: 0.85;
  animation: spin 0.8s linear infinite;
}

.input,
select.input,
textarea.input {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius-md);
  border: var(--border-width) var(--border-style) var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.input:focus {
  border-color: var(--color-primary-strong);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18);
  outline: none;
}

.input.is-error {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.18);
}

.input:disabled {
  background: var(--color-surface-alt);
  cursor: not-allowed;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-weight: 600;
}

.field .helper-text,
.helper-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.card {
  background: var(--color-surface);
  border: var(--border-width) var(--border-style) var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
}

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

.card-header {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  align-items: center;
  flex-wrap: wrap;
}

.pill,
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-pill);
  border: var(--border-width) var(--border-style) var(--color-border);
  background: var(--color-ghost);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: 600;
}

.pill.tiny,
.badge.tiny {
  padding: 0.25rem 0.5rem;
  font-size: var(--text-xs);
}

.pill.success,
.badge.success {
  background: rgba(16, 185, 129, 0.14);
  border-color: rgba(16, 185, 129, 0.35);
  color: #065f46;
}

.pill.warn,
.badge.warn {
  background: rgba(245, 158, 11, 0.16);
  border-color: rgba(245, 158, 11, 0.4);
  color: #92400e;
}

.pill.danger,
.badge.danger {
  background: rgba(239, 68, 68, 0.14);
  border-color: rgba(239, 68, 68, 0.4);
  color: #991b1b;
}

.pill.muted,
.badge.muted {
  background: var(--color-surface-alt);
  border-color: var(--color-border);
  color: var(--color-text-muted);
}

.table-wrapper {
  max-height: 480px;
  overflow: auto;
  margin-top: var(--space-3);
  border-radius: var(--radius-md);
  border: var(--border-width) var(--border-style) var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-xs);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

table thead {
  position: sticky;
  top: 0;
  background: var(--color-surface-alt);
  z-index: 1;
}

th,
td {
  text-align: left;
  padding: 0.6rem 0.55rem;
  border-bottom: var(--border-width) var(--border-style) var(--color-border);
}

tbody tr:nth-child(odd) {
  background: rgba(241, 245, 249, 0.45);
}

tbody tr:hover {
  background: rgba(37, 99, 235, 0.06);
}

.status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-pill);
  background: var(--color-surface-alt);
  color: var(--color-text);
  font-weight: 700;
  gap: 0.35rem;
}

.status[data-variant='loading'] {
  background: rgba(37, 99, 235, 0.12);
  color: var(--color-primary-strong);
}

.status[data-variant='error'] {
  background: rgba(239, 68, 68, 0.12);
  color: #b91c1c;
}

.status[data-variant='success'] {
  background: rgba(16, 185, 129, 0.12);
  color: #047857;
}

.toast {
  position: fixed;
  right: var(--space-4);
  bottom: var(--space-4);
  min-width: 260px;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: var(--border-width) var(--border-style) var(--color-border);
  box-shadow: var(--shadow-lg);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.35);
  display: grid;
  place-items: center;
  z-index: 20;
}

.modal {
  width: min(520px, 92vw);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
}

.tabs {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  border-bottom: var(--border-width) var(--border-style) var(--color-border);
}

.tabs button {
  border: none;
  background: transparent;
  padding: var(--space-3) var(--space-4);
  font-weight: 700;
  color: var(--color-text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
}

.tabs button[aria-selected='true'] {
  color: var(--color-primary-strong);
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}

.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 0.35rem);
  background: var(--color-surface);
  border: var(--border-width) var(--border-style) var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 180px;
  padding: 0.35rem 0;
  display: none;
  z-index: 10;
}

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

.dropdown-menu a,
.dropdown-menu button {
  width: 100%;
  border: none;
  background: transparent;
  text-align: left;
  padding: 0.65rem 1rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
}

.dropdown-menu a:hover,
.dropdown-menu button:hover {
  background: var(--color-surface-alt);
}

.skeleton {
  position: relative;
  overflow: hidden;
  background: var(--color-ghost);
  border-radius: var(--radius-md);
}

.skeleton::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.6) 50%, transparent 100%);
  transform: translateX(-100%);
  animation: shimmer 1.2s infinite;
}

.empty-state {
  text-align: center;
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--color-surface-alt);
  border: var(--border-width) var(--border-style) var(--color-border);
}

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

.stack > * + * {
  margin-top: var(--space-3);
}

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

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

.small {
  font-size: var(--text-sm);
}

.text-xs {
  font-size: var(--text-xs);
}

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

.fab {
  position: fixed;
  right: var(--space-5);
  bottom: var(--space-5);
  z-index: 15;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-lg);
}

.fab + .fab-offset {
  margin-bottom: calc(var(--space-8) + 48px);
}

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

@keyframes shimmer {
  100% {
    transform: translateX(100%);
  }
}