/* ═══════════════════════════════════════════════════════
   Art Map — Apple Design System v3
   ═══════════════════════════════════════════════════════ */

:root {
  --accent: #0071E3;
  --accent-bg: rgba(0,113,227,.1);
  --bg: #F5F5F7;
  --surface: rgba(255,255,255,.82);
  --surface-solid: #fff;
  --text: #1D1D1F;
  --text2: #6E6E73;
  --text3: #86868B;
  --border: rgba(0,0,0,.08);
  --hover: rgba(0,0,0,.04);
  --pressed: rgba(0,0,0,.07);
  --r: 14px;
  --shadow: 0 2px 16px rgba(0,0,0,.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,.12);
  --blur: blur(20px) saturate(180%);
  --topbar: 54px;
  --sidebar-w: 380px;
  --detail-w: 420px;
  --ease: cubic-bezier(.4,0,.2,1);
  --spring: cubic-bezier(.34,1.56,.64,1);
  --cat-color: #0071E3;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%; overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
  font-size: 15px; color: var(--text); background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
input  { font: inherit; border: none; outline: none; }
a      { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Topbar ──────────────────────────────────────────── */
.topbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: calc(var(--topbar) + env(safe-area-inset-top));
  z-index: 900;
  display: flex; align-items: end; gap: 12px;
  padding: 0 16px 0;
  background: var(--surface);
  -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur);
  border-bottom: .5px solid var(--border);
}
.topbar > * { height: var(--topbar); display: flex; align-items: center; }
.topbar-left { gap: 8px; flex-shrink: 0; }
.logo { font-size: 22px; }
.brand { font-size: 17px; font-weight: 600; letter-spacing: -.3px; }

.topbar-center { flex: 1; max-width: 440px; }
.search-box { position: relative; display: flex; align-items: center; width: 100%; }
.search-icon {
  position: absolute; left: 10px; width: 15px; height: 15px;
  color: var(--text3); pointer-events: none;
}
#search {
  width: 100%; height: 36px; padding: 0 28px 0 32px;
  background: rgba(0,0,0,.06); border-radius: 10px;
  font-size: 14px; color: var(--text);
  transition: all .15s var(--ease);
}
#search::placeholder { color: var(--text3); }
#search:focus { background: var(--surface-solid); box-shadow: 0 0 0 3px var(--accent-bg); }
.search-clear {
  position: absolute; right: 6px;
  width: 22px; height: 22px; border-radius: 50%;
  font-size: 15px; color: var(--text3); line-height: 1;
}
.search-clear[hidden] { display: none; }

.topbar-right { flex-shrink: 0; }
.icon-btn {
  width: 34px; height: 34px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text2); transition: all .12s;
}
.icon-btn svg { width: 17px; height: 17px; }
.icon-btn:hover { background: var(--hover); color: var(--text); }
.icon-btn.active { color: var(--accent); background: var(--accent-bg); }

/* ── Main layout ─────────────────────────────────────── */
.main {
  position: fixed;
  top: calc(var(--topbar) + env(safe-area-inset-top));
  left: 0; right: 0; bottom: 0;
  display: flex; overflow: hidden;
}

/* ── Sidebar ─────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w); flex-shrink: 0;
  display: flex; flex-direction: column;
  background: var(--surface-solid);
  border-right: .5px solid var(--border);
  transition: margin-left .3s var(--ease);
  z-index: 100;
}
.sidebar.hidden { margin-left: calc(-1 * var(--sidebar-w)); }

.sheet-header { flex-shrink: 0; }
.sheet-grip { display: none; }

.cat-tabs { display: flex; gap: 2px; padding: 10px 12px 0; flex-shrink: 0; }
.cat-tab {
  flex: 1;
  display: flex; align-items: center; justify-content: center; gap: 5px;
  height: 34px; border-radius: 8px;
  font-size: 12.5px; font-weight: 500; color: var(--text2);
  transition: all .15s var(--ease);
}
.cat-tab:hover { background: var(--hover); }
.cat-tab.active { background: var(--accent-bg); color: var(--accent); font-weight: 600; }
.cat-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--c, var(--text3)); }

/* Filter bars */
.filter-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 14px 4px; flex-shrink: 0;
}
.city-bar {
  padding: 0 14px 8px; flex-shrink: 0;
  border-bottom: .5px solid var(--border);
  overflow-x: auto; -webkit-overflow-scrolling: touch;
}
.city-bar::-webkit-scrollbar { display: none; }
.city-pills { display: flex; gap: 5px; flex-wrap: wrap; }
.pills { display: flex; gap: 5px; }
.pill {
  height: 26px; padding: 0 11px; border-radius: 20px;
  font-size: 12px; font-weight: 500; color: var(--text3);
  background: rgba(0,0,0,.05); white-space: nowrap;
  transition: all .12s var(--ease);
}
.pill:hover { background: rgba(0,0,0,.08); color: var(--text2); }
.pill.active { background: var(--accent-bg); color: var(--accent); font-weight: 600; }
.count { font-size: 11px; color: var(--text3); white-space: nowrap; }

/* List */
.list {
  flex: 1; overflow-y: auto; padding: 4px 8px 16px;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
}
.list::-webkit-scrollbar { width: 3px; }
.list::-webkit-scrollbar-thumb { background: rgba(0,0,0,.1); border-radius: 3px; }

/* ── Card ───────────────────────────────────────────── */
.card {
  display: flex; gap: 12px; padding: 10px; margin-bottom: 2px;
  border-radius: 12px; cursor: pointer;
  transition: background .1s, transform .1s;
}
.card:hover { background: var(--hover); }
.card:active { transform: scale(.995); }
.card.active { background: var(--accent-bg); }

/* Card with image */
.card-img {
  width: 76px; height: 76px; border-radius: 12px;
  background: var(--bg); flex-shrink: 0; overflow: hidden; position: relative;
}
.card-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card-img-ph {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
}
.card-dot {
  position: absolute; top: 5px; right: 5px;
  width: 8px; height: 8px; border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,.9);
}
.card-dot.ongoing  { background: #34C759; }
.card-dot.upcoming { background: #FF9F0A; }
.card-dot.ended    { background: #8E8E93; }

/* Card: no-image variant — color bar on left */
.card.no-img { padding-left: 0; }
.card.no-img .card-color-bar {
  width: 4px; border-radius: 4px; flex-shrink: 0;
  background: var(--cat-color);
  align-self: stretch; margin: 2px 0 2px 10px;
}

.card-body { flex: 1; min-width: 0; display: flex; flex-direction: column; justify-content: center; gap: 1px; }
.card-title {
  font-size: 14px; font-weight: 600; line-height: 1.35;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.card-meta {
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-top: 2px;
}
.card-sub {
  font-size: 12px; color: var(--text2);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.card-city {
  font-size: 10.5px; font-weight: 600; color: var(--accent);
  letter-spacing: .3px; text-transform: uppercase;
}
.card-badge {
  display: inline-block; margin-top: 2px;
  padding: 1px 7px; border-radius: 5px;
  font-size: 10px; font-weight: 600; letter-spacing: .2px;
}
.card-badge.ongoing  { background: rgba(52,199,89,.12);  color: #248A3D; }
.card-badge.upcoming { background: rgba(255,159,10,.12); color: #B25000; }
.card-badge.ended    { background: rgba(0,0,0,.05);      color: var(--text3); }

/* Skeleton */
.skel {
  height: 96px; margin-bottom: 2px; border-radius: 12px;
  background: linear-gradient(90deg, rgba(0,0,0,.04) 25%, rgba(0,0,0,.08) 50%, rgba(0,0,0,.04) 75%);
  background-size: 200% 100%; animation: shimmer 1.3s infinite;
}
@keyframes shimmer { 0%{background-position:200% 0} 100%{background-position:-200% 0} }

/* Empty / Error */
.empty {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 48px 20px; text-align: center; gap: 8px; color: var(--text3);
}
.empty h3 { font-size: 15px; color: var(--text); }
.empty p { font-size: 13px; }
.btn-retry {
  margin-top: 6px; height: 30px; padding: 0 16px;
  border-radius: 20px; font-size: 13px; font-weight: 600;
  color: var(--accent); background: var(--accent-bg);
}

/* ── Map ─────────────────────────────────────────────── */
.map-wrap { flex: 1; position: relative; overflow: hidden; }
#map { position: absolute; inset: 0; }

.leaflet-control-zoom { border:none!important; box-shadow:var(--shadow)!important; border-radius:12px!important; overflow:hidden; }
.leaflet-control-zoom a {
  background:var(--surface)!important; -webkit-backdrop-filter:var(--blur); backdrop-filter:var(--blur);
  color:var(--text)!important; border:none!important;
  width:34px!important; height:34px!important; line-height:34px!important;
  font-size:17px!important; font-weight:300!important;
}
.leaflet-control-attribution {
  background:rgba(255,255,255,.6)!important; -webkit-backdrop-filter:blur(8px); backdrop-filter:blur(8px);
  font-size:9px!important; border-radius:6px 0 0 0!important; padding:2px 6px!important;
  color:var(--text3)!important;
}

.pin { transition: transform .15s var(--spring); }
.pin:hover { transform: scale(1.25); }
.pin-inner {
  width: 16px; height: 16px; border-radius: 50%;
  border: 2.5px solid #fff; box-shadow: 0 2px 8px rgba(0,0,0,.22);
}

.marker-cluster { background:none!important; }
.marker-cluster div {
  border-radius:50%!important; color:#fff!important;
  font-size:12px!important; font-weight:700!important;
  border:2.5px solid rgba(255,255,255,.85)!important;
}
.marker-cluster-small div  { width:32px!important; height:32px!important; line-height:27px!important; }
.marker-cluster-medium div { width:40px!important; height:40px!important; line-height:35px!important; }
.marker-cluster-large div  { width:50px!important; height:50px!important; line-height:45px!important; }

.leaflet-popup-content-wrapper {
  border-radius:14px!important; box-shadow:var(--shadow-lg)!important;
  padding:0!important; overflow:hidden; border:.5px solid var(--border)!important;
}
.leaflet-popup-content { margin:0!important; min-width:220px; }
.leaflet-popup-tip-container,.leaflet-popup-close-button { display:none!important; }
.popup { padding: 14px 16px; }
.popup-title { font-size: 14px; font-weight: 600; margin-bottom: 3px; }
.popup-sub { font-size: 12px; color: var(--text2); }
.popup-btn {
  display: block; margin-top: 10px; padding: 8px; text-align: center;
  background: var(--accent); color: #fff;
  font-size: 13px; font-weight: 600; border-radius: 10px;
  cursor: pointer; transition: background .12s;
}
.popup-btn:hover { background: #0077ED; }

.map-fab {
  position: absolute; bottom: 28px; right: 14px;
  display: flex; flex-direction: column; gap: 8px; z-index: 500;
}
.fab {
  width: 40px; height: 40px; border-radius: 12px;
  background: var(--surface); -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur);
  box-shadow: var(--shadow); border: .5px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text); transition: background .12s, transform .1s var(--spring);
}
.fab svg { width: 18px; height: 18px; }
.fab:hover { background: var(--surface-solid); }
.fab:active { transform: scale(.92); }

.loading {
  position: absolute; inset: 0; z-index: 800;
  background: rgba(245,245,247,.7); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 12px; font-size: 13px; color: var(--text2);
  transition: opacity .3s;
}
.loading.hidden { opacity: 0; pointer-events: none; }
.spinner {
  width: 28px; height: 28px;
  border: 2.5px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%; animation: spin .65s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Detail Panel ────────────────────────────────────── */
.detail {
  position: fixed;
  top: calc(var(--topbar) + env(safe-area-inset-top));
  right: 0; bottom: 0;
  width: var(--detail-w);
  display: flex; flex-direction: column;
  background: var(--surface-solid);
  border-left: .5px solid var(--border);
  box-shadow: -4px 0 24px rgba(0,0,0,.1);
  z-index: 850;
  transform: translateX(100%);
  transition: transform .32s var(--ease);
  pointer-events: none;
}
.detail.open {
  transform: translateX(0);
  pointer-events: auto;
}

/* Detail top bar — always visible */
.detail-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 48px;
  padding: 0 8px 0 4px;
  background: var(--surface-solid);
  border-bottom: .5px solid var(--border);
  flex-shrink: 0;
  z-index: 10;
  position: relative;
}
.detail-back {
  display: flex; align-items: center; gap: 4px;
  font-size: 16px; font-weight: 500; color: var(--accent);
  padding: 8px 12px; border-radius: 10px;
  min-height: 44px;
}
.detail-back:hover { background: var(--hover); }
.detail-back:active { background: var(--pressed); }
.detail-close {
  width: 32px; height: 32px; border-radius: 50%;
  background: rgba(0,0,0,.06); color: var(--text2);
  font-size: 20px; display: flex; align-items: center; justify-content: center;
  transition: background .12s;
}
.detail-close:hover { background: rgba(0,0,0,.12); }

.detail-scroll {
  flex: 1; overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
}
.detail-scroll::-webkit-scrollbar { width: 3px; }
.detail-scroll::-webkit-scrollbar-thumb { background: rgba(0,0,0,.08); border-radius: 3px; }

/* Hero with image */
.detail-hero {
  height: 240px; flex-shrink: 0;
  background: var(--bg) center/cover no-repeat;
  position: relative; overflow: hidden;
}
.detail-hero-img {
  width: 100%; height: 100%; object-fit: cover;
  position: absolute; inset: 0; z-index: 1;
}
.detail-hero::after {
  content: ""; position: absolute; inset: 0; z-index: 2;
  background: linear-gradient(transparent 50%, rgba(0,0,0,.4));
}

/* Hero without image — compact banner with category color */
.detail-hero.no-img {
  height: 100px;
  background: linear-gradient(135deg, var(--cat-color), color-mix(in srgb, var(--cat-color), #000 20%));
  display: flex; align-items: center; justify-content: center;
}
.detail-hero.no-img::after { display: none; }
.detail-hero-icon {
  font-size: 40px; opacity: .4;
  position: relative; z-index: 1;
}

.detail-body { padding: 20px 20px 40px; }

.d-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: 20px;
  font-size: 11px; font-weight: 700; letter-spacing: .3px; margin-bottom: 10px;
}
.d-badge .dot { width: 6px; height: 6px; border-radius: 50%; }
.d-badge.ongoing  { background: rgba(52,199,89,.12);  color: #248A3D; }
.d-badge.upcoming { background: rgba(255,159,10,.12); color: #B25000; }
.d-badge.ended    { background: rgba(0,0,0,.05);      color: var(--text3); }
.d-badge.ongoing  .dot { background: #34C759; }
.d-badge.upcoming .dot { background: #FF9F0A; }
.d-badge.ended    .dot { background: #8E8E93; }

.d-title { font-size: 22px; font-weight: 700; letter-spacing: -.3px; line-height: 1.25; margin-bottom: 4px; }
.d-org { font-size: 13px; color: var(--text3); margin-bottom: 16px; }

.d-grid {
  display: flex; flex-direction: column; gap: 10px;
  padding: 14px; background: var(--bg); border-radius: 12px; margin-bottom: 16px;
}
.d-row { display: flex; align-items: flex-start; gap: 10px; }
.d-icon {
  width: 30px; height: 30px; border-radius: 8px;
  background: var(--surface-solid); box-shadow: 0 1px 4px rgba(0,0,0,.06);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.d-icon svg { width: 14px; height: 14px; color: var(--accent); }
.d-label { font-size: 10px; font-weight: 600; color: var(--text3); letter-spacing: .2px; text-transform: uppercase; }
.d-value { font-size: 13.5px; font-weight: 500; }

.d-desc {
  font-size: 13.5px; line-height: 1.7; color: var(--text2); margin-bottom: 20px;
}

.d-actions { display: flex; flex-direction: column; gap: 8px; }
.btn-primary, .btn-secondary {
  height: 48px; border-radius: 12px;
  font-size: 15px; font-weight: 600;
  display: flex; align-items: center; justify-content: center; gap: 6px;
  transition: background .12s, transform .08s var(--spring);
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #0077ED; }
.btn-secondary { background: var(--bg); color: var(--accent); border: .5px solid var(--border); }
.btn-secondary:hover { background: var(--hover); text-decoration: none; }
.btn-primary:active, .btn-secondary:active { transform: scale(.98); }

/* ── Responsive: Tablet & Mobile ────────────────────── */
@media (max-width: 900px) {
  :root {
    --topbar: 50px;
    --detail-w: 100%;
  }

  .main { flex-direction: column-reverse; }

  /* ── Bottom Sheet ─── */
  .sidebar {
    position: fixed; bottom: 0; left: 0; right: 0;
    width: 100%;
    height: calc(100dvh - var(--topbar) - env(safe-area-inset-top));
    border-right: none;
    border-radius: 18px 18px 0 0;
    box-shadow: 0 -4px 30px rgba(0,0,0,.1);
    z-index: 600;
    margin-left: 0 !important;
    transform: translateY(55%);
    transition: transform .35s var(--ease);
    will-change: transform;
  }
  .sidebar.sheet-peek { transform: translateY(calc(100% - 60px)); }
  .sidebar.sheet-half { transform: translateY(55%); }
  .sidebar.sheet-full { transform: translateY(0); }
  .sidebar.dragging   { transition: none; }
  .sidebar.hidden     { transform: translateY(calc(100% - 60px)); margin-left: 0 !important; }

  .sheet-grip {
    display: block;
    width: 36px; height: 5px;
    background: rgba(0,0,0,.18);
    border-radius: 3px;
    margin: 10px auto 6px;
    flex-shrink: 0;
  }

  .map-wrap {
    position: fixed;
    top: calc(var(--topbar) + env(safe-area-inset-top));
    left: 0; right: 0; bottom: 0;
    height: auto;
  }

  .city-pills { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 2px; }

  .list { padding-bottom: calc(16px + env(safe-area-inset-bottom)); }

  /* ── Detail on mobile: full-screen overlay ─── */
  .detail {
    top: 0; left: 0; right: 0; bottom: 0;
    width: 100%; height: 100%;
    border-left: none; border-radius: 0;
    z-index: 950;
    transform: translateY(100%);
  }
  .detail.open { transform: translateY(0); }

  .detail-topbar {
    padding-top: env(safe-area-inset-top);
    height: calc(48px + env(safe-area-inset-top));
    align-items: flex-end;
  }
  .detail-topbar > * { margin-bottom: 4px; }
  .detail-close { display: none; }

  .detail-hero { height: 220px; }
  .detail-hero.no-img { height: 80px; }

  .detail-body {
    padding-bottom: calc(40px + env(safe-area-inset-bottom));
  }
  .d-actions {
    padding-bottom: env(safe-area-inset-bottom);
  }

  .map-fab {
    bottom: calc(76px + env(safe-area-inset-bottom));
    right: 14px;
  }

  .leaflet-control-attribution { margin-bottom: 64px !important; }
}

@media (max-width: 540px) {
  .brand { display: none; }
  .cat-tab { font-size: 11.5px; height: 30px; }
  .topbar { padding: 0 12px; }
  .topbar-center { max-width: none; }
}