/**
 * KMC BROKER - Loading & Skeleton Components
 * Loading states and skeleton screens
 */

/* ===== SKELETON BASE ===== */
.kmc-skeleton {
  background: var(--color-neutral-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
}

/* ===== SKELETON TYPES ===== */

/* Card Skeleton */
.kmc-skeleton--card {
  padding: var(--space-6);
  min-height: 200px;
}

.kmc-skeleton__header {
  width: 50%;
  height: 24px;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-4);
}

.kmc-skeleton__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.kmc-skeleton__line {
  height: 12px;
  border-radius: var(--radius-sm);
}

.kmc-skeleton__line--short {
  width: 60%;
}

/* Text Skeleton */
.kmc-skeleton--text {
  width: 100%;
  height: 12px;
  border-radius: var(--radius-sm);
}

/* Circle Skeleton */
.kmc-skeleton--circle {
  min-width: 60px;
  min-height: 60px;
}

.kmc-skeleton__circle {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
}

/* Chart Skeleton */
.kmc-skeleton--chart {
  min-height: 250px;
  padding: var(--space-6);
}

.kmc-skeleton__chart {
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  height: 100%;
  gap: var(--space-3);
}

.kmc-skeleton__bar {
  flex: 1;
  border-radius: var(--radius-sm);
}

/* Table Skeleton */
.kmc-skeleton--table {
  min-height: 200px;
}

.kmc-skeleton__table {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-4);
}

.kmc-skeleton__table-row {
  height: 40px;
  border-radius: var(--radius-sm);
}

/* ===== SPINNER ===== */
.kmc-spinner {
  display: inline-block;
  width: 32px;
  height: 32px;
  border: 3px solid var(--color-neutral-200);
  border-top-color: var(--color-primary-600);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

.kmc-spinner--sm {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

.kmc-spinner--lg {
  width: 48px;
  height: 48px;
  border-width: 4px;
}

.kmc-spinner--white {
  border-color: rgba(255, 255, 255, 0.3);
  border-top-color: white;
}

/* ===== LOADING OVERLAY ===== */
.kmc-loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}

.kmc-loading-overlay__content {
  text-align: center;
  color: white;
}

.kmc-loading-overlay__spinner {
  margin: 0 auto var(--space-4);
}

.kmc-loading-overlay__text {
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
}

/* ===== PROGRESS BAR ===== */
.kmc-progress {
  width: 100%;
  height: 8px;
  background: var(--color-neutral-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.kmc-progress__bar {
  height: 100%;
  background: linear-gradient(90deg,
    var(--color-primary-600) 0%,
    var(--color-primary-500) 100%);
  border-radius: var(--radius-full);
  transition: width var(--duration-slow) var(--ease-out);
}

.kmc-progress--sm {
  height: 4px;
}

.kmc-progress--lg {
  height: 12px;
}

/* Success variant */
.kmc-progress__bar--success {
  background: linear-gradient(90deg,
    var(--color-success-600) 0%,
    var(--color-success-500) 100%);
}

/* Warning variant */
.kmc-progress__bar--warning {
  background: linear-gradient(90deg,
    var(--color-warning-600) 0%,
    var(--color-warning-500) 100%);
}

/* Danger variant */
.kmc-progress__bar--danger {
  background: linear-gradient(90deg,
    var(--color-danger-600) 0%,
    var(--color-danger-500) 100%);
}

/* ===== PULSE ANIMATION ===== */
.kmc-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ===== DARK MODE ===== */
[data-theme="dark"] .kmc-skeleton {
  background: var(--color-neutral-800);
}

[data-theme="dark"] .kmc-spinner {
  border-color: var(--color-neutral-700);
  border-top-color: var(--color-primary-500);
}

[data-theme="dark"] .kmc-progress {
  background: var(--color-neutral-800);
}