/* MobileSheet — bottom sheet modal */

/* Backdrop */
.mobile-sheet__backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 400;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s var(--ease-out);
}

.mobile-sheet__backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

/* Sheet */
.mobile-sheet {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  max-height: 90vh;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-line);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  z-index: 401;
  display: flex;
  flex-direction: column;
  touch-action: none;
  transform: translateY(100%);
  transition: transform 0.3s var(--ease-out);
}

.mobile-sheet.is-open {
  transform: translateY(0);
}

/* Snap variants */
.mobile-sheet.snap-half {
  max-height: 50vh;
}

/* Drag handle area */
.mobile-sheet__handle {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 0 8px;
  cursor: grab;
  flex-shrink: 0;
}

.mobile-sheet__handle:active {
  cursor: grabbing;
}

.mobile-sheet__handle-bar {
  display: block;
  width: 36px;
  height: 4px;
  background: var(--text-muted);
  border-radius: 2px;
}

/* Header */
.mobile-sheet__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px 12px;
  border-bottom: 1px solid var(--border-line);
  flex-shrink: 0;
}

.mobile-sheet__title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-bright);
}

.mobile-sheet__close {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  border-radius: var(--radius-sm);
  -webkit-tap-highlight-color: transparent;
  transition: color 0.18s var(--ease-out);
}

.mobile-sheet__close:hover {
  color: var(--text-default);
}

/* Scrollable body */
.mobile-sheet__body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
  padding-bottom: calc(16px + var(--safe-area-bottom));
  overscroll-behavior: contain;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .mobile-sheet__backdrop,
  .mobile-sheet {
    transition: none;
  }

  .mobile-sheet__close {
    transition: none;
  }
}