@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800&family=Inter:wght@400;500;700;900&display=swap');

/* ── TOKENS ─────────────────────────────── */
:root {
  --red:       #C8102E;
  --red-glow:  rgba(200,16,46,.5);
  --red-dim:   rgba(200,16,46,.08);
  --ink:       #1A1F2E;
  --ink-2:     #3D4460;
  --muted:     #8892A4;
  --border:    #E2E6EF;
  --bg:        #F0F2F7;
  --surface:   #FFFFFF;

  --panel-w:   460px;
  --header-h:  54px;
  --sidebar-w: 196px;

  --ease:   cubic-bezier(.22,1,.36,1);
  --spring: cubic-bezier(.34,1.56,.64,1);

  /* Safe area for notch phones */
  --safe-top:    env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* ── RESET ──────────────────────────────── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; -webkit-tap-highlight-color:transparent; }
html, body { height:100%; overflow:hidden; -webkit-font-smoothing:antialiased; }
body { font-family:'Be Vietnam Pro',system-ui,sans-serif; background:var(--bg); color:var(--ink); }

/* ── HEADER ─────────────────────────────── */
.hdr {
  position: fixed; inset: 0 0 auto 0;
  height: calc(var(--header-h) + var(--safe-top));
  padding-top: var(--safe-top);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding-left: 14px; padding-right: 14px;
  gap: 10px; z-index: 50;
  box-shadow: 0 1px 0 var(--border), 0 2px 16px rgba(0,0,0,.06);
}
.hdr-logo { display:flex; align-items:center; gap:9px; text-decoration:none; min-width:0; }
.hdr-logo-img {
  width:36px; height:36px; border-radius:50%;
  object-fit:cover; flex-shrink:0;
  box-shadow:0 1px 4px rgba(0,0,0,.18);
}
.hdr-name {
  font-size:13px; font-weight:800; color:var(--ink); letter-spacing:-.3px;
  line-height:1.1; white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}
.hdr-sub { font-size:10px; color:var(--muted); font-weight:500; margin-top:2px; }
.hdr-sep { width:1px; height:20px; background:var(--border); flex-shrink:0; }
.hdr-right { display:flex; align-items:center; gap:8px; margin-left:auto; flex-shrink:0; }
.badge {
  display:inline-flex; align-items:center; gap:5px;
  background:var(--red-dim); color:var(--red);
  border:1px solid rgba(200,16,46,.18); border-radius:20px;
  padding:3px 10px; font-size:10px; font-weight:700; letter-spacing:.4px;
  white-space:nowrap;
}
.badge-dot {
  width:5px; height:5px; background:var(--red); border-radius:50%;
  animation: bdot 2s ease-in-out infinite;
}
@keyframes bdot { 0%,100%{ opacity:1; } 50%{ opacity:.3; } }
.icon-btn {
  width:34px; height:34px; border:1px solid var(--border); border-radius:7px;
  background:var(--surface); cursor:pointer; display:flex; align-items:center;
  justify-content:center; color:var(--ink-2); transition:all .15s; flex-shrink:0;
  /* bigger tap target */
  touch-action: manipulation;
}
.icon-btn:hover, .icon-btn:active { background:var(--ink); color:#fff; border-color:var(--ink); }
.icon-btn svg { width:16px; height:16px; stroke:currentColor; fill:none; stroke-width:2; }

/* ── APP LAYOUT ─────────────────────────── */
.app {
  display: flex;
  height: 100vh;
  padding-top: calc(var(--header-h) + var(--safe-top));
}

/* ── SIDEBAR ─────────────────────────────── */
.sidebar {
  width: var(--sidebar-w); flex-shrink:0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex; flex-direction:column;
  overflow: hidden;
  transition: width .28s var(--ease), opacity .22s;
}
.sidebar.collapsed { width:0; opacity:0; pointer-events:none; }

.sb-head {
  padding: 11px 12px 8px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items:center; justify-content:space-between;
  flex-shrink: 0;
}
.sb-head h2 {
  font-size:9px; font-weight:700; color:var(--muted);
  text-transform:uppercase; letter-spacing:1.3px;
}
.sb-count {
  font-size:9.5px; font-weight:700; color:var(--red);
  background:var(--red-dim); padding:2px 7px; border-radius:10px;
}
.sb-search { padding:7px 9px; border-bottom:1px solid var(--border); flex-shrink:0; }
.sb-search input {
  width:100%; height:30px; border:1px solid var(--border); border-radius:6px;
  padding:0 8px 0 28px; font-size:11.5px; font-family:inherit; color:var(--ink);
  background:var(--bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='13' height='13' fill='none' stroke='%238892A4' stroke-width='2' viewBox='0 0 24 24'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.3-4.3'/%3E%3C/svg%3E") no-repeat 8px center;
  outline:none; transition:border-color .15s;
}
.sb-search input:focus { border-color:var(--red); }

.sb-list {
  flex:1; overflow-y:auto; padding:7px;
  display:grid; grid-template-columns:1fr 1fr; gap:4px; align-content:start;
  -webkit-overflow-scrolling:touch;
}
.sb-list::-webkit-scrollbar { width:3px; }
.sb-list::-webkit-scrollbar-thumb { background:var(--border); border-radius:2px; }

.kp-btn {
  min-height:40px; border:1px solid var(--border); border-radius:7px;
  display:flex; align-items:center; justify-content:center;
  cursor:pointer; font-size:11.5px; font-weight:700; color:var(--ink-2);
  background:var(--surface); transition:all .14s var(--ease);
  user-select:none; letter-spacing:.2px;
  touch-action: manipulation;
  -webkit-tap-highlight-color:transparent;
}
.kp-btn:hover  { border-color:var(--red); color:var(--red); background:var(--red-dim); transform:translateY(-1px); }
.kp-btn:active { transform:scale(.96); }
.kp-btn.active {
  background:var(--red); border-color:var(--red); color:#fff;
  box-shadow:0 3px 14px var(--red-glow); transform:translateY(-1px);
}
.kp-btn.gone { display:none; }

.sb-footer {
  padding:8px 10px;
  border-top:1px solid var(--border);
  font-size:10px; color:var(--muted); text-align:center; line-height:1.6;
  flex-shrink:0;
  padding-bottom: calc(8px + var(--safe-bottom));
}

/* ── MAP ─────────────────────────────────── */
.map-area { flex:1; position:relative; overflow:hidden; background:var(--bg); }
.map-scroll {
  width:100%; height:100%; overflow:hidden; cursor:grab;
  position:relative; touch-action:none;
}
.map-scroll.grab { cursor:grabbing; }
.map-scroll::-webkit-scrollbar { width:4px; height:4px; }
.map-scroll::-webkit-scrollbar-thumb { background:var(--border); border-radius:2px; }

.map-wrap { position:absolute; top:0; left:0; transform-origin:0 0; will-change:transform; }
#map-img {
  display:block; width:100%; max-width:none; min-width:0;
  user-select:none; -webkit-user-drag:none; pointer-events:none;
}

/* ── SVG OVERLAYS ────────────────────────── */
/* Border paths */
.bp {
  fill: none;
  stroke: var(--red);
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: .28;
  transition: opacity .3s ease, filter .3s ease;
}

/* Dim: mờ khi KP khác được chọn */
.bp.dim {
  opacity: .04;
  transition: opacity .25s ease;
}

/* ── Lit: viền "chạy" (vẽ dần) rồi sáng nhấp nháy liên tục ──
   stroke-dashoffset được set lại = var(--L) bằng JS ngay khi
   thêm class (không dùng attribute "0" gốc), rồi animation đưa
   nó về 0 → tạo cảm giác đường viền tự vẽ ra. */
.bp.lit {
  opacity: 1;
  stroke: #FF1A35;
  animation:
    bp-draw  0.6s  cubic-bezier(.22,1,.36,1) forwards,
    bp-pulse 2.2s  ease-in-out 0.6s infinite;
}

/* Path đóng kín (polygon dày, stroke-width gốc ≥ 1) → tô thêm fill mờ */
.bp.lit-thick {
  opacity: 1;
  stroke: #FF1A35;
  stroke-width: 2.2 !important;
  fill: rgba(255,26,53,.07);
  animation:
    bp-draw  0.6s  cubic-bezier(.22,1,.36,1) forwards,
    bp-pulse-thick 2.0s ease-in-out 0.6s infinite;
}

/* Vẽ đường viền: dashoffset chạy từ full-length (--L, do JS set qua inline style)
   về 0. Áp dụng cho mọi .bp.lit / .lit-thick vì cả hai đều cần "chạy" lúc đầu. */
@keyframes bp-draw {
  0%   { stroke-dashoffset: var(--L); filter: none; }
  100% { stroke-dashoffset: 0; filter: drop-shadow(0 0 3px rgba(255,26,53,.85)) drop-shadow(0 0 8px rgba(255,26,53,.5)); }
}

@keyframes bp-pulse {
  0%,100% { filter: drop-shadow(0 0 3px rgba(255,26,53,.8))  drop-shadow(0 0 8px  rgba(255,26,53,.4)); }
  50%     { filter: drop-shadow(0 0 6px rgba(255,26,53,1))   drop-shadow(0 0 14px rgba(255,26,53,.7)); }
}
@keyframes bp-pulse-thick {
  0%,100% { filter: drop-shadow(0 0 5px rgba(255,26,53,1))  drop-shadow(0 0 12px rgba(255,26,53,.55)); }
  50%     { filter: drop-shadow(0 0 8px rgba(255,26,53,1))  drop-shadow(0 0 20px rgba(255,26,53,.8)) drop-shadow(0 0 30px rgba(255,26,53,.3)); }
}

/* Flash: chớp sáng nhanh 1 lần ngay khi vừa zoom tới (yellow→red) */
.bp.lit-flash {
  animation: bp-flash 0.45s ease forwards !important;
}
@keyframes bp-flash {
  0%   { filter: drop-shadow(0 0 10px rgba(255,255,90,1)) drop-shadow(0 0 22px rgba(255,26,53,.95)); }
  100% { filter: drop-shadow(0 0 3px  rgba(255,26,53,.85)) drop-shadow(0 0 8px  rgba(255,26,53,.5)); }
}

/* KP label zones */
.kz { cursor:pointer; pointer-events:all; }
.kz .zb {
  fill:rgba(255,255,255,.85); stroke:var(--red); stroke-width:.6;
  transition:fill .15s, filter .15s;
}
.kz .zt {
  fill:#8B0000; font-weight:800;
  font-family:'Be Vietnam Pro',Arial,sans-serif;
  text-anchor:middle; dominant-baseline:central; pointer-events:none;
  paint-order:stroke; stroke:rgba(255,255,255,.9); stroke-width:2px; letter-spacing:.3px;
}
.kz:hover .zb  { fill:rgba(200,16,46,.18); stroke-width:.9; filter:drop-shadow(0 0 4px rgba(200,16,46,.5)); }
.kz.active .zb { fill:rgba(200,16,46,.22); stroke:#FF3355; stroke-width:1.2; filter:drop-shadow(0 0 6px rgba(255,51,85,.7)); }
.kz.active .zt { fill:var(--red); }
.kz .zping     { fill:none; stroke:var(--red); stroke-width:.7; opacity:0; }
.kz.active .zping { animation:ping 1.3s ease-out .15s infinite; }

/* ── POLYGON HIGHLIGHT OVERLAY (kphl) ──────────────────── */
/* Polygon chính xác từng KP — trạng thái mặc định: ẩn hoàn toàn */
.kphl {
  fill: none;
  stroke: none;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

/* Dim: KP hàng xóm khi 1 KP khác được chọn */
.kphl.kphl-dim {
  fill: rgba(0,0,0,.12);
  stroke: none;
  opacity: 1;
}

/* Active: KP được chọn — fill mờ đỏ + viền chạy vòng + glow */
.kphl.kphl-active {
  opacity: 1;
  fill: rgba(255,26,53,.04);
  stroke: #FF1A35;
  stroke-width: 3.5;
  stroke-linejoin: round;
  stroke-linecap: round;
  /* stroke-dasharray và stroke-dashoffset được set bởi JS theo chu vi thực */
  animation: kphl-appear  0.4s  cubic-bezier(.22,1,.36,1) forwards,
             kphl-march   3s    linear                     0.4s infinite,
             kphl-pulse   4.5s  ease-in-out                0.4s infinite;
}

/* Flash: chớp sáng vàng → đỏ 1 lần sau khi zoom đến */
.kphl.kphl-flash {
  animation: kphl-flash 0.55s ease forwards !important;
}

@keyframes kphl-appear {
  0%   { opacity:0; fill:rgba(255,26,53,0); stroke-width:0; filter:none; }
  70%  { opacity:1; fill:rgba(255,26,53,.16); stroke-width:4; }
  100% { opacity:1; fill:rgba(255,26,53,.12); stroke-width:3.5;
         filter: drop-shadow(0 0 5px rgba(255,26,53,.85))
                 drop-shadow(0 0 12px rgba(255,26,53,.4)); }
}

/* Viền đổi màu hồng nhạt → hồng đậm hơn → hồng nhạt */
@keyframes kphl-march {
  0%   { stroke: #FFCDD5; stroke-width: 2.5; stroke-opacity: 0.25; }
  35%  { stroke: #FF99AA; stroke-width: 3;   stroke-opacity: 0.38; }
  70%  { stroke: #FF6B80; stroke-width: 3.5; stroke-opacity: 0.45; }
  100% { stroke: #FFCDD5; stroke-width: 2.5; stroke-opacity: 0.25; }
}

/* Nhấp nháy chậm — 4.5s/chu kỳ */
@keyframes kphl-pulse {
  0%,100% {
    fill: rgba(255,26,53,.03);
    filter: drop-shadow(0 0 4px rgba(255,26,53,.8))
            drop-shadow(0 0 10px rgba(255,26,53,.35));
  }
  50% {
    fill: rgba(255,26,53,.07);
    filter: drop-shadow(0 0 9px rgba(255,26,53,1))
            drop-shadow(0 0 20px rgba(255,26,53,.65))
            drop-shadow(0 0 32px rgba(255,26,53,.25));
  }
}

@keyframes kphl-flash {
  0%   { fill:rgba(255,230,50,.4); stroke:#FFE032; stroke-width:5;
         filter: drop-shadow(0 0 16px rgba(255,230,50,1))
                 drop-shadow(0 0 30px rgba(255,26,53,.9)); }
  100% { fill:rgba(255,26,53,.12); stroke:#FF1A35; stroke-width:3.5;
         filter: drop-shadow(0 0 5px rgba(255,26,53,.85))
                 drop-shadow(0 0 12px rgba(255,26,53,.4)); }
}
@keyframes ping { 0%{ opacity:.7; } 100%{ r:30px; opacity:0; } }

/* ── MAP CONTROLS ────────────────────────── */
.map-ctrls {
  position:absolute; right:12px; bottom:calc(16px + var(--safe-bottom));
  display:flex; flex-direction:column; gap:4px; z-index:10;
}
.mc {
  width:36px; height:36px; background:var(--surface); border:1px solid var(--border);
  border-radius:7px; cursor:pointer; display:flex; align-items:center; justify-content:center;
  color:var(--ink-2); font-size:19px; font-weight:300;
  box-shadow:0 2px 8px rgba(0,0,0,.1); transition:all .14s;
  touch-action:manipulation;
}
.mc:hover, .mc:active { background:var(--ink); color:#fff; border-color:var(--ink); transform:scale(1.06); }
.mc svg { width:14px; height:14px; stroke:currentColor; fill:none; stroke-width:2; }
.zoom-val {
  height:28px; background:var(--surface); border:1px solid var(--border);
  border-radius:6px; display:flex; align-items:center; justify-content:center;
  font-size:10px; font-weight:700; color:var(--muted); letter-spacing:.5px;
  box-shadow:0 1px 4px rgba(0,0,0,.06);
}
.map-hint {
  position:absolute; bottom:calc(16px + var(--safe-bottom)); left:50%; transform:translateX(-50%);
  background:rgba(26,31,46,.8); color:rgba(255,255,255,.88);
  border-radius:20px; padding:6px 16px;
  font-size:11px; font-weight:500; white-space:nowrap;
  pointer-events:none; backdrop-filter:blur(8px); z-index:10;
  transition:opacity .6s; letter-spacing:.2px;
}
.map-hint.out { opacity:0; pointer-events:none; }

/* ── PANEL ───────────────────────────────── */
.panel {
  position:fixed; top:calc(var(--header-h) + var(--safe-top)); right:0; bottom:0;
  width:var(--panel-w); background:var(--surface);
  border-left:1px solid var(--border);
  box-shadow:-6px 0 40px rgba(0,0,0,.13);
  z-index:40; display:flex; flex-direction:column; overflow-y:auto;
  transform:translateX(calc(var(--panel-w) + 8px));
  transition:transform .4s var(--ease); will-change:transform;
  -webkit-overflow-scrolling:touch;
}
.panel.open { transform:translateX(0); }

.panel-hdr { padding:16px 18px 12px; border-bottom:1px solid var(--border); flex-shrink:0; }
.panel-eyebrow {
  font-size:9.5px; font-weight:700; color:var(--muted);
  text-transform:uppercase; letter-spacing:1.3px; margin-bottom:5px;
  display:flex; align-items:center; gap:6px;
}
.panel-eyebrow::before { content:''; width:14px; height:2px; background:var(--red); border-radius:1px; }
.panel-title {
  font-size:24px; font-weight:900; color:var(--red);
  letter-spacing:-1px; line-height:1; margin-bottom:5px; font-family:'Inter',sans-serif;
}
.panel-addr { font-size:10.5px; color:var(--muted); font-weight:500; display:flex; align-items:center; gap:5px; }
.panel-addr svg { width:10px; height:10px; flex-shrink:0; opacity:.6; stroke:currentColor; fill:none; stroke-width:2; }
.panel-nav { display:flex; gap:6px; margin-top:12px; }
.pnav {
  flex:1; height:34px; border:1px solid var(--border); border-radius:7px;
  background:var(--bg); cursor:pointer; font-size:11.5px; font-weight:600;
  color:var(--ink-2); font-family:inherit;
  display:flex; align-items:center; justify-content:center; gap:5px;
  transition:all .14s; touch-action:manipulation;
}
.pnav:hover, .pnav:active { background:var(--ink); color:#fff; border-color:var(--ink); }
.pnav svg { width:12px; height:12px; stroke:currentColor; fill:none; stroke-width:2.5; }
.pclose {
  width:34px; height:34px; border:1px solid var(--border); border-radius:7px;
  background:var(--bg); cursor:pointer; display:flex; align-items:center; justify-content:center;
  color:var(--ink-2); transition:all .14s; flex-shrink:0; touch-action:manipulation;
}
.pclose:hover, .pclose:active { background:var(--red); color:#fff; border-color:var(--red); }
.pclose svg { width:13px; height:13px; stroke:currentColor; fill:none; stroke-width:2.5; }

/* Stats */
.panel-stats {
  display:grid; grid-template-columns:1fr 1fr; gap:8px;
  padding:12px 16px; border-bottom:1px solid var(--border);
  background:var(--bg); flex-shrink:0;
}
.panel-stats .stat-card:first-child {
  grid-column: unset;
}
.stat-card {
  background:var(--surface); border:1px solid var(--border);
  border-radius:8px; padding:10px 10px 8px;
  display:flex; flex-direction:column; align-items:center; gap:2px;
  text-align:center;
}
.stat-card.highlight { border-color:rgba(200,16,46,.25); background:var(--red-dim); }
.stat-val {
  font-size:20px; font-weight:900; color:var(--ink);
  letter-spacing:-1px; line-height:1; font-family:'Inter',sans-serif;
}
.stat-card.highlight .stat-val { color:var(--red); }
.stat-label {
  font-size:9.5px; font-weight:600; color:var(--muted);
  text-transform:uppercase; letter-spacing:.6px; line-height:1.3;
}

/* Merge table */
.panel-merge { padding:12px 16px 14px; border-bottom:1px solid var(--border); flex-shrink:0; }
.merge-title {
  font-size:9.5px; font-weight:700; color:var(--muted);
  text-transform:uppercase; letter-spacing:1px; margin-bottom:8px;
  display:flex; align-items:center; gap:6px;
}
.merge-title::before { content:''; width:12px; height:2px; background:var(--red); border-radius:1px; }
.merge-table { width:100%; border-collapse:collapse; font-size:11.5px; }
.merge-table thead th {
  text-align:left; font-size:9.5px; font-weight:700; color:var(--muted);
  text-transform:uppercase; letter-spacing:.5px;
  padding:0 8px 6px; border-bottom:1px solid var(--border);
}
.merge-table thead th:not(:first-child) { text-align:right; }
.merge-table tbody tr { border-bottom:1px solid var(--border); }
.merge-table tbody tr:last-child { border-bottom:none; }
.merge-table tbody tr:hover { background:var(--bg); }
.merge-table td { padding:7px 8px; color:var(--ink-2); font-weight:500; }
.merge-table td:not(:first-child) {
  text-align:right; font-variant-numeric:tabular-nums;
  font-family:'Inter',sans-serif; font-size:12px; font-weight:600;
}
.merge-table td:first-child { color:var(--ink); }
.note-pill {
  display:inline-flex; align-items:center; gap:4px;
  background:var(--red-dim); color:var(--red);
  border-radius:4px; padding:3px 8px;
  font-size:10px; font-weight:700; letter-spacing:.3px; margin-top:6px;
}

/* Panel body (map image) */
.panel-body {
  flex:1; min-height:240px; display:flex;
  align-items:center; justify-content:center;
  padding:14px; background:var(--bg); position:relative;
  overflow:hidden;
}
.panel-img {
  max-width:100%; max-height:100%; object-fit:contain;
  border-radius:7px; box-shadow:0 4px 20px rgba(0,0,0,.1);
  opacity:0; transform:scale(.96) translateY(6px);
  transition:opacity .32s var(--ease), transform .32s var(--ease);
}
.panel-img.in { opacity:1; transform:scale(1) translateY(0); }
.panel-spin { position:absolute; display:flex; flex-direction:column; align-items:center; gap:10px; }
.panel-spin.hide { display:none; }
.spin { width:28px; height:28px; border:2px solid var(--border); border-top-color:var(--red); border-radius:50%; animation:spin .6s linear infinite; }
@keyframes spin { to { transform:rotate(360deg); } }
.panel-spin p { font-size:11px; color:var(--muted); font-weight:500; }

/* ── BACKDROP ────────────────────────────── */
.backdrop {
  position:fixed; inset:0; top:calc(var(--header-h) + var(--safe-top));
  background:rgba(26,31,46,.3); z-index:39;
  opacity:0; pointer-events:none; transition:opacity .32s;
  backdrop-filter:blur(2px);
}
.backdrop.open { opacity:1; pointer-events:all; }

/* ── TOAST ───────────────────────────────── */
.toast {
  position:fixed; bottom:calc(20px + var(--safe-bottom)); left:50%;
  transform:translate(-50%,16px);
  background:var(--ink); color:#fff; border-radius:10px;
  padding:10px 16px; font-size:12px; font-weight:500;
  box-shadow:0 8px 32px rgba(0,0,0,.22); z-index:200;
  display:flex; align-items:center; gap:8px; white-space:nowrap;
  opacity:0; transition:all .28s var(--spring); pointer-events:none;
}
.toast.show { opacity:1; transform:translate(-50%,0); }

/* Flash on label */
.kz.flash .zb {
  animation: kz-flash 1.2s ease-out forwards;
}
@keyframes kz-flash {
  0%   { fill:rgba(200,16,46,.7); filter:drop-shadow(0 0 12px rgba(255,34,68,1)); stroke-width:2; }
  60%  { fill:rgba(200,16,46,.35); filter:drop-shadow(0 0 5px rgba(255,34,68,.6)); }
  100% { fill:rgba(200,16,46,.22); filter:none; stroke-width:1.2; }
}

/* ── MOBILE ──────────────────────────────── */
@media (max-width: 600px) {
  :root {
    --header-h: 50px;
    --sidebar-w: 0px;   /* sidebar hidden by default on mobile */
    --panel-w: 100vw;
  }

  /* Sidebar: full-height overlay on mobile */
  .sidebar {
    position: fixed;
    top: calc(var(--header-h) + var(--safe-top));
    left: 0; bottom: 0;
    width: 220px;
    z-index: 45;
    box-shadow: 4px 0 24px rgba(0,0,0,.15);
    transform: translateX(-100%);
    transition: transform .28s var(--ease);
  }
  .sidebar.open-mobile { transform: translateX(0); }

  /* Panel: bottom sheet on mobile */
  .panel {
    top: auto; bottom: 0; right: 0; left: 0;
    width: 100%;
    height: 88vh;
    border-left: none;
    border-top: 1px solid var(--border);
    border-radius: 16px 16px 0 0;
    transform: translateY(100%);
    box-shadow: 0 -8px 40px rgba(0,0,0,.18);
    padding-bottom: var(--safe-bottom);
  }
  .panel.open { transform: translateY(0); }

  /* Pull handle on bottom sheet */
  .panel-hdr::before {
    content: '';
    display: block;
    width: 36px; height: 4px;
    background: var(--border); border-radius: 2px;
    margin: 0 auto 12px;
  }

  /* Map controls: smaller, moved left a bit */
  .map-ctrls { right: 10px; bottom: calc(12px + var(--safe-bottom)); }
  .mc { width:34px; height:34px; }

  /* Stats: 2 cols */
  .panel-stats { grid-template-columns: 1fr 1fr; }
  .panel-stats .stat-card:first-child { grid-column: unset; }

  /* Hint shorter */
  .map-hint { font-size:10px; padding:5px 12px; }

  /* Header: hide subtitle */
  .hdr-sub { display:none; }
  .hdr-name { font-size:12px; }
  .hdr-sep { display:none; }
  .badge { display:none; }
}

/* Tablet */
@media (min-width:601px) and (max-width:900px) {
  :root { --panel-w: 380px; --sidebar-w: 170px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration:.01ms!important; transition-duration:.01ms!important; }
}

/* ── LIGHTBOX ─────────────────────────────────────────── */
.panel-img { cursor:zoom-in; }

.lightbox {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(10,12,20,.92);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity .25s;
  backdrop-filter: blur(6px);
  overflow: hidden;
}
.lightbox.open { opacity: 1; pointer-events: all; }

/* Wrapper để zoom/pan */
.lightbox-viewport {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  cursor: grab;
}
.lightbox-viewport.dragging { cursor: grabbing; }

.lightbox-img {
  display: block;
  max-width: 92vw; max-height: 90vh;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 24px 80px rgba(0,0,0,.6);
  transform-origin: 0 0;
  /* không dùng transition ở đây — JS quản lý transform */
  user-select: none; -webkit-user-drag: none;
  will-change: transform;
}
/* Fade-in khi mở */
.lightbox-img.lb-appear {
  animation: lb-pop .3s cubic-bezier(.22,1,.36,1) forwards;
}
@keyframes lb-pop {
  from { opacity:0; transform: scale(.88) !important; }
  to   { opacity:1; }
}

.lightbox-close {
  position: absolute; top: 16px; right: 18px; z-index: 10;
  width: 38px; height: 38px;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2);
  border-radius: 50%; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 18px; line-height: 1;
  transition: background .15s;
}
.lightbox-close:hover { background: rgba(255,255,255,.25); }

/* Zoom buttons */
.lightbox-zoom-btns {
  position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 8px; z-index: 10;
}
.lb-zoom-btn {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.25);
  color: #fff; font-size: 20px; line-height: 1;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background .15s;
}
.lb-zoom-btn:hover { background: rgba(255,255,255,.3); }

.lightbox-label {
  position: absolute; bottom: 20px; right: 20px;
  color: rgba(255,255,255,.5); font-size: 11px; font-weight: 500;
  letter-spacing: .3px; pointer-events: none;
}
.lightbox-hint {
  position: absolute; top: 18px; left: 50%; transform: translateX(-50%);
  color: rgba(255,255,255,.45); font-size: 10.5px;
  pointer-events: none; white-space: nowrap;
  animation: lb-hint-fade 3s ease forwards;
}
@keyframes lb-hint-fade {
  0%,60%  { opacity:1; }
  100%    { opacity:0; }
}

/* ── NORTH ARROW ─────────────────────────────────────── */
.north-arrow {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 8;
  pointer-events: none;
  opacity: .92;
  filter: drop-shadow(0 0 3px rgba(255,255,255,.95)) drop-shadow(0 2px 6px rgba(0,0,0,.35));
}
.north-arrow img {
  width: auto;
  height: 33vh;
  display: block;
}