/*
 * Payment bottom sheet — component styles only.
 *
 * All colour, spacing, and radius values are resolved from design-system
 * tokens (tokens/colors_*.css and tokens/appearance.css).
 */

/* ── Backdrop ────────────────────────────────────────────────────────────── */

#payment-sheet-backdrop {
  position: fixed;
  inset: 0;
  z-index: 9990;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  transition: opacity 300ms ease;
  pointer-events: none;
}

#payment-sheet-backdrop.payment-sheet-visible {
  opacity: 1;
  pointer-events: auto;
}

/* ── Sheet container ─────────────────────────────────────────────────────── */

#payment-sheet {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9991;
  background: var(--color-surface);
  border-radius: 16px 16px 0 0;
  max-height: 90vh;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  transform: translateY(100%);
  transition: transform 300ms cubic-bezier(0.32, 0.72, 0, 1);
  padding-bottom: env(safe-area-inset-bottom, 0);
  font-family: 'Satoshi', system-ui, -apple-system, sans-serif;
}

#payment-sheet.payment-sheet-visible {
  transform: translateY(0);
}

/* ── Drag handle ─────────────────────────────────────────────────────────── */

#payment-sheet-handle {
  display: flex;
  justify-content: center;
  padding-top: var(--space-sm);
}

.payment-sheet-drag-bar {
  width: 32px;
  height: 4px;
  border-radius: 2px;
  background: var(--color-outline-variant);
}

/* ── Header ──────────────────────────────────────────────────────────────── */

#payment-sheet-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
}

#payment-sheet-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-on-surface);
}

#payment-sheet-close-btn {
  background: none;
  border: none;
  color: var(--color-on-surface-variant);
  cursor: pointer;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: background 200ms ease;
}

#payment-sheet-close-btn:hover  { background: rgba(0, 0, 0, 0.06); }
#payment-sheet-close-btn:active { background: rgba(0, 0, 0, 0.12); }

/* ── Body ────────────────────────────────────────────────────────────────── */

#payment-sheet-body {
  overflow-y: auto;
  flex: 1;
  padding: 0 var(--space-lg) var(--space-xl);
}

#payment-sheet-loader {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  min-height: 200px;
}

.payment-sheet-spinner {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 3px solid var(--color-outline-variant);
  border-top-color: var(--color-primary);
  animation: payment-sheet-spin 0.9s linear infinite;
}

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

/* ── Utility ─────────────────────────────────────────────────────────────── */

.payment-sheet-hidden {
  display: none !important;
}