/* HejMap Panel Engine — layout for left/right/bottom panels.
   Panels sit inside a .hejmap-layout flex container.
   State is driven by [data-panel-open="true|false"] attributes. */

/* ── Root layout ─────────────────────────────────────────────────────────── */
.hejmap-layout {
  display: flex;
  flex-direction: row;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  position: relative;
}

/* ── Map area fills remaining space ─────────────────────────────────────── */
.hejmap-map-area {
  flex: 1;
  position: relative;
  overflow: hidden;
  min-width: 0;
}

/* ── Generic panel ───────────────────────────────────────────────────────── */
[data-panel] {
  display: flex;
  flex-direction: column;
  background: var(--paper, #fff);
  font-family: 'Nunito', system-ui, sans-serif;
  transition: width 0.42s cubic-bezier(0.4,0,0.2,1),
              height 0.42s cubic-bezier(0.4,0,0.2,1),
              transform 0.42s cubic-bezier(0.4,0,0.2,1),
              opacity 0.3s ease;
  overflow: hidden;
  z-index: 2;
  flex-shrink: 0;
}

/* ── Left panel ──────────────────────────────────────────────────────────── */
[data-panel="left"] {
  width: var(--panel-left-w, 330px);
  border-right: 1px solid var(--rule, #bfd6e8);
}
[data-panel="left"][data-panel-open="false"] {
  width: 0;
  border-right-width: 0;
  opacity: 0;
  pointer-events: none;
}

/* ── Right panel ─────────────────────────────────────────────────────────── */
[data-panel="right"] {
  width: var(--panel-right-w, 370px);
  border-left: 1px solid var(--rule, #bfd6e8);
  order: 3;
}
[data-panel="right"][data-panel-open="false"] {
  width: 0;
  border-left-width: 0;
  opacity: 0;
  pointer-events: none;
}

/* ── Bottom panel ────────────────────────────────────────────────────────── */
[data-panel="bottom"] {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--panel-bottom-h, 220px);
  border-top: 1px solid var(--rule, #bfd6e8);
  flex-direction: row;
  z-index: 10;
}
[data-panel="bottom"][data-panel-open="false"] {
  height: 0;
  border-top-width: 0;
  opacity: 0;
  pointer-events: none;
}

/* ── Panel header bar ────────────────────────────────────────────────────── */
.panel-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px 12px;
  border-bottom: 1px solid var(--rule, #bfd6e8);
  flex-shrink: 0;
}
.panel-header-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ink-soft, #3d6180);
  flex: 1;
}

/* ── Panel body — scrollable content area ────────────────────────────────── */
[data-panel-body] {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--rule, #bfd6e8) transparent;
}
[data-panel-body]::-webkit-scrollbar { width: 4px; }
[data-panel-body]::-webkit-scrollbar-thumb { background: var(--rule, #bfd6e8); border-radius: 2px; }

/* ── Toggle button — floats on the map edge adjacent to the panel ─────────── */
.panel-toggle-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 52px;
  background: var(--paper, #fff);
  border: 1px solid var(--rule, #bfd6e8);
  border-radius: 0 6px 6px 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-faint, #7ca5c0);
  z-index: 3;
  transition: background 0.2s, color 0.2s;
  pointer-events: all;
}
.panel-toggle-btn:hover { background: var(--bg-warm, #e4f0f8); color: var(--ink, #1a3a5c); }
[data-panel="left"]  .panel-toggle-btn { right: -22px; border-left: none; }
[data-panel="right"] .panel-toggle-btn { left: -22px; border-right: none; border-radius: 6px 0 0 6px; }
[data-panel="left"][data-panel-open="false"]  .panel-toggle-btn,
[data-panel="right"][data-panel-open="false"] .panel-toggle-btn {
  opacity: 1; pointer-events: all;
}

/* ── Panel search input ──────────────────────────────────────────────────── */
.panel-search-wrap {
  position: relative;
  padding: 10px 12px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--rule, #bfd6e8);
}
.panel-search-icon {
  position: absolute;
  left: 22px;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  color: var(--ink-faint, #7ca5c0);
  pointer-events: none;
}
.panel-search {
  width: 100%;
  padding: 7px 10px 7px 30px;
  border: 1px solid var(--rule, #bfd6e8);
  border-radius: 8px;
  background: var(--bg, #f0f7fc);
  color: var(--ink, #1a3a5c);
  font-size: 13px;
  font-family: inherit;
  outline: none;
  box-sizing: border-box;
}
.panel-search:focus { border-color: var(--accent, #2563eb); }
.panel-search::placeholder { color: var(--ink-faint, #7ca5c0); }

/* ── Panel inner scroll body (keeps search/chips pinned at top) ───────────── */
.panel-scroll-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  min-height: 0;
  scrollbar-width: thin;
  scrollbar-color: var(--rule, #bfd6e8) transparent;
}
.panel-scroll-body::-webkit-scrollbar { width: 4px; }
.panel-scroll-body::-webkit-scrollbar-thumb { background: var(--rule, #bfd6e8); border-radius: 2px; }

/* ── italki affiliate banner ─────────────────────────────────────────────── */
.italki-banner {
  display: block;
  text-decoration: none;
  border-radius: 11px;
  border: 1.5px solid var(--rule, #bfd6e8);
  background: var(--paper, #fff);
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
}
.italki-banner::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--accent, #e8634a);
}
.italki-banner:hover {
  border-color: color-mix(in srgb, var(--accent, #e8634a) 55%, var(--rule, #bfd6e8));
  box-shadow: 0 4px 18px rgba(232,99,74,0.13);
  transform: translateY(-1px);
}
.italki-banner-inner {
  padding: 12px 14px 12px 17px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.italki-banner-eyebrow {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 3px;
}
.italki-banner-pill {
  font-family: 'Nunito', system-ui, sans-serif;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--accent, #e8634a);
  background: rgba(232,99,74,0.09);
  padding: 2px 7px;
  border-radius: 4px;
}
html[data-theme="dark"] .italki-banner-pill {
  background: rgba(240,116,96,0.13);
}
.italki-banner-tag {
  font-size: 9px;
  color: var(--ink-faint, #7ca5c0);
  letter-spacing: 0.04em;
}
.italki-banner-headline {
  font-family: 'Nunito', system-ui, sans-serif;
  font-size: 14px;
  font-weight: 800;
  color: var(--ink, #1a3a5c);
  letter-spacing: -0.02em;
  line-height: 1.25;
}
.italki-banner-sub {
  font-size: 11.5px;
  color: var(--ink-soft, #3d6180);
  margin-top: 1px;
}
.italki-banner-cta {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent, #e8634a);
  margin-top: 6px;
}

/* ── Source attribution footer inside panels ─────────────────────────────── */
.panel-source-footer {
  padding: 10px 16px 14px;
  font-size: 11px;
  color: var(--ink-faint, #7ca5c0);
  text-align: center;
  border-top: 1px solid var(--rule, #bfd6e8);
  margin-top: 4px;
}
.panel-source-footer a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dotted currentColor;
}
.panel-source-footer a:hover { color: var(--ink-soft, #3d6180); }

/* ── Responsive: on narrow viewports left panel becomes an overlay ────────── */
@media (max-width: 640px) {
  [data-panel="left"] {
    position: absolute;
    top: 0; left: 0; bottom: 0;
    width: min(330px, 88vw) !important;
    box-shadow: 4px 0 24px rgba(26,58,92,0.12);
  }
  [data-panel="left"][data-panel-open="false"] {
    transform: translateX(-100%);
    width: min(330px, 88vw) !important;
    opacity: 1;
  }
}

/* ── Mobile bottom-sheet panels (when bottom nav is active) ──────────────── */
@media (max-width: 640px) {
  body.has-bottom-nav [data-panel="left"],
  body.has-bottom-nav [data-panel="right"] {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 60px;
    top: auto;
    width: 100% !important;
    max-height: 48vh;
    height: 48vh;
    border-radius: 16px 16px 0 0;
    border-right: none !important;
    border-left: none !important;
    border-top: 1px solid var(--rule, #bfd6e8);
    box-shadow: 0 -4px 32px rgba(26,58,92,0.15);
    transform: translateY(0);
    z-index: 150;
  }
  body.has-bottom-nav [data-panel="left"][data-panel-open="false"],
  body.has-bottom-nav [data-panel="right"][data-panel-open="false"] {
    transform: translateY(110%);
    opacity: 1;
    pointer-events: none;
  }
  body.has-bottom-nav [data-panel="left"]::before,
  body.has-bottom-nav [data-panel="right"]::before {
    content: '';
    display: block;
    width: 40px;
    height: 4px;
    background: var(--rule, #bfd6e8);
    border-radius: 2px;
    margin: 10px auto 4px;
    flex-shrink: 0;
    cursor: grab;
  }
  body.has-bottom-nav .panel-toggle-btn {
    display: none;
  }

  /* Shrink the map layout so it ends above the open bottom sheet */
  body.has-bottom-nav.mobile-panel-open .hejmap-layout {
    max-height: calc(100dvh - var(--nav-h, 64px) - 48vh);
    transition: max-height 0.42s cubic-bezier(0.4,0,0.2,1);
  }
}