/* =====================================================================
  uk-bottomsheet.css — UIkit-like header/footer (minimal customizations)
  Version: 2025-11-09 (modal-scale, symmetric footer, h-scroll tiles, body scroll lock)
  - Header/Footer paddings mirror UIkit modal (~15px)
  - Footer L/R padding symmetric incl. safe-area
  - JS controls max-height (no CSS hard cap)
  - Horizontal image strip: 3 tiles + 4th peeking
  - Body scroll lock class: .uk-no-scroll
===================================================================== */

:root {
  --uk-bs-duration: 280ms;
  --uk-bs-ease: cubic-bezier(.2,.6,.2,1);

  --uk-bs-bg: #fff;
  --uk-bs-fg: #111;
  --uk-bs-border: rgba(0,0,0,.08);
  --uk-bs-shadow: 0 -8px 30px rgba(0,0,0,.15);
  --uk-bs-shadow-top: 0 8px 30px rgba(0,0,0,.15);
  --uk-bs-radius: 12px;

  /* ≈ UIkit modal scale */
  --uk-bs-header-px: 15px;
  --uk-bs-header-py: 15px;
  --uk-bs-body-px: 15px;
  --uk-bs-body-py: 15px;
  --uk-bs-footer-px: 15px;
  --uk-bs-footer-py: 15px;

  --uk-bs-title-size: 16px;
  --uk-bs-title-weight: 600;

  --uk-bs-grip-w: 44px;
  --uk-bs-grip-h: 4px;
  --uk-bs-grip-color: rgba(0,0,0,0.35);

  --uk-bs-close-size: 32px;
  --uk-bs-close-color: rgba(0,0,0,.55);
  --uk-bs-close-color-hover: rgba(0,0,0,.9);
}

/* ============== Body scroll lock (when sheet is open) ============== */
.uk-no-scroll {
  overflow: hidden !important;
  height: 100vh !important;
  touch-action: none;
  overscroll-behavior: none;
}

/* ================= Host ================= */
.uk-bottomsheet {
  position: fixed;
  left: 0; right: 0;
  bottom: 0; top: auto;
  pointer-events: none;
  visibility: hidden;
  z-index: 979;
}
.uk-bottomsheet.uk-open {
  pointer-events: auto;
  visibility: visible;
}
.uk-bottomsheet.uk-peek {
  pointer-events: auto !important;
  visibility: visible !important;
}

/* ================= Panel ================= */
.uk-bottomsheet-bar {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  background: var(--uk-bs-bg);
  color: var(--uk-bs-fg);
  border-top-left-radius: var(--uk-bs-radius);
  border-top-right-radius: var(--uk-bs-radius);
  box-shadow: var(--uk-bs-shadow);
  transform: translateY(100%);
  transition: transform var(--uk-bs-duration) var(--uk-bs-ease);
  will-change: transform;
  display: flex;
  flex-direction: column;
  overflow: visible;
  overscroll-behavior: contain;
  /* max-height set by JS; no cap here */
}

/* ================= Overlay ================= */
.uk-bottomsheet-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--uk-bs-duration) linear;
  z-index: 1000;
}
.uk-bottomsheet-overlay.uk-open { opacity: 1; pointer-events: auto; }

/* ================= Handle ================= */
.uk-bottomsheet-handle {
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
  padding: 8px 0 6px;
  cursor: grab;
}
.uk-bottomsheet-grip {
  width: var(--uk-bs-grip-w);
  height: var(--uk-bs-grip-h);
  border-radius: 999px;
  margin: 0 auto 6px;
  background: var(--uk-bs-grip-color);
  box-shadow: 0 0 2px rgba(0,0,0,.25);
}
.uk-bottomsheet.uk-peek .uk-bottomsheet-handle {
  opacity: 1 !important;
  pointer-events: auto !important;
}

/* ================= Header (≈ UIkit modal header) ================= */
.uk-bottomsheet-header {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--uk-bs-bg);
  padding: var(--uk-bs-header-py) var(--uk-bs-header-px);
  border-top-left-radius: inherit;
  border-top-right-radius: inherit;
  border-bottom: 1px solid var(--uk-bs-border);
  touch-action: none;
}
.uk-bottomsheet-title {
  margin: 0;
  font-size: var(--uk-bs-title-size);
  font-weight: var(--uk-bs-title-weight);
  line-height: 1.45;
  display: inline-flex;
  gap: 8px;
  align-items: center;
}
.uk-bottomsheet-title i { line-height: 1; }

/* ================= Content ================= */
.uk-bottomsheet-content {
  flex: 1 1 auto;
  overflow: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding: var(--uk-bs-body-py) var(--uk-bs-body-px);
  touch-action: pan-y;             /* vertical only */
}

/* ================= Footer (symmetric + safe-area) ================= */
.uk-bottomsheet-footer {
  position: sticky;
  bottom: 0;
  z-index: 2;
  background: var(--uk-bs-bg);
  padding-top: var(--uk-bs-footer-py);
  padding-bottom: var(--uk-bs-footer-py);
  /* Safe area + symmetric L/R padding */
  padding-left:  calc(var(--uk-bs-footer-px) + env(safe-area-inset-left));
  padding-right: calc(var(--uk-bs-footer-px) + env(safe-area-inset-right));
  border-top: 1px solid var(--uk-bs-border);
  display: flex;
  justify-content: center;   /* centered by default */
  align-items: center;
  width: 100%;
  gap: 0;                    /* avoid extra left space with single button */
  box-sizing: border-box;    /* ensure padding is honored */
  touch-action: none;
}
/* Button spacing only when siblings exist */
.uk-bottomsheet-footer .uk-button + .uk-button { margin-left: 8px; }

/* Optional alignment utilities (opt-in) */
.uk-bottomsheet-footer.uk-flex-right { justify-content: flex-end; }
.uk-bottomsheet-footer.uk-flex-left  { justify-content: flex-start; }

/* ================= States ================= */
.uk-bottomsheet.uk-open:not(.uk-flip) .uk-bottomsheet-bar,
.uk-bottomsheet.uk-open.uk-flip .uk-bottomsheet-bar {
  transform: translateY(0);
}

/* ================= Close button (optional) ================= */
.uk-bottomsheet-close-default {
  position: absolute;
  top: 10px; right: 10px;
  width: var(--uk-bs-close-size);
  height: var(--uk-bs-close-size);
  border: 0;
  background: transparent;
  color: var(--uk-bs-close-color);
  cursor: pointer;
  opacity: .9;
}
.uk-bottomsheet-close-default::before,
.uk-bottomsheet-close-default::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 18px; height: 2px;
  background: currentColor;
  transform-origin: center;
}
.uk-bottomsheet-close-default::before { transform: translate(-50%,-50%) rotate(45deg); }
.uk-bottomsheet-close-default::after  { transform: translate(-50%,-50%) rotate(-45deg); }
.uk-bottomsheet-close-default:hover { color: var(--uk-bs-close-color-hover); opacity: 1; }

/* ================= Horizontal scroll helper ================= */
.uk-hscroll {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
  touch-action: pan-x;             /* horizontal only */
  white-space: nowrap;
}
.uk-hscroll::-webkit-scrollbar { display: none; }

/* ================= Image strip (3 tiles + 4th peeking) ================= */
.image-strip { --img-gap: 8px; --peek: 24px; }
.image-strip .strip-inner {
  display: flex;
  gap: var(--img-gap);
  padding: 0;
  margin: 0;
}
.image-strip .tile {
  flex: 0 0 calc((100% - (2 * var(--img-gap))) / 3 + (var(--peek) / 3));
  aspect-ratio: 1 / 1;        /* perfect square */
  object-fit: cover;
  display: block;
  border-radius: 8px;
  -webkit-tap-highlight-color: transparent;
}

/* ================= Desktop ================= */
@media (min-width: 960px) {
  .uk-bottomsheet-bar {
    max-width: 720px;
    margin: 0 auto;
    left: 0; right: 0;
  }
}