/* ============================================================================
   VR TOUR — GIAO DIỆN (tông hồng / xanh / trắng, hiện đại, sang trọng)
   ============================================================================ */

:root {
  --pink: #e0559a;
  --pink-light: #f8a8cc;
  --pink-soft: #fde6f1;
  --blue: #4a90d9;
  --blue-light: #7ec8f0;
  --blue-soft: #e4f2fd;
  --cyan: #57d8e8;
  --ink: #2a3550;
  --glass: rgba(255, 255, 255, 0.78);
  --glass-border: rgba(255, 255, 255, 0.65);
  --shadow: 0 12px 40px rgba(42, 53, 80, 0.28);
  --grad: linear-gradient(135deg, var(--blue) 0%, var(--cyan) 45%, var(--pink) 100%);
  /* Gradient dành RIÊNG cho chữ trên nền sáng: 3 màu có độ sáng gần bằng nhau
     (131 / 137 / 134) nên mọi chữ trông đậm đều. Không dùng --grad ở đây vì
     xanh ngọc (#57d8e8) sáng 179 làm chữ giữa câu bị nhạt như thiếu nét. */
  --grad-text: linear-gradient(120deg, #4a90d9 0%, #3aa8b8 45%, #e0559a 100%);
  --font: 'Be Vietnam Pro', 'Segoe UI', system-ui, sans-serif;
}

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

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  font-family: var(--font);
  background: #0a1230;
}

#pano { width: 100%; height: 100%; }
#pano .pnlm-load-box { border-radius: 16px; background: rgba(20, 30, 60, .75); }
#pano .pnlm-about-msg { display: none !important; }

/* Pannellum hotspot anchor — bỏ style mặc định */
.pnlm-hotspot-base.vrt-anchor { height: 0; width: 0; }

/* ============================ TIÊU ĐỀ TRANG ============================ */

/* cùm logo + tiêu đề góc trên trái */
.vrt-header {
  position: fixed; top: 20px; left: 22px; z-index: 50;
  display: flex; align-items: center; gap: 14px;
  animation: vrt-drop .7s cubic-bezier(.2, .9, .3, 1.2) both;
  max-width: calc(100vw - 44px);
}
.vrt-logo {
  height: clamp(54px, 7.5vw, 88px);
  width: auto; display: block; flex: none;
  filter: drop-shadow(0 4px 14px rgba(20, 30, 70, .45));
}
.vrt-title {
  display: flex; flex-direction: column; gap: 2px;
  padding: 12px 20px 11px;
  min-width: 0;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}
/* logo đứng riêng trên trang video mở đầu (trên cả hộp hỏi âm thanh) */
.vrt-logo-solo {
  position: fixed; top: 20px; left: 22px; z-index: 110;
  height: clamp(56px, 8vw, 92px);
}
.vrt-title-k {
  font-size: 13px; font-weight: 800; letter-spacing: 3px;
  /* line-height rộng + padding: chừa chỗ cho dấu tiếng Việt (Ủ, Ề...),
     nếu không phần dấu nhô ra ngoài vùng tô gradient sẽ bị mất */
  line-height: 1.65; padding-top: 1px;
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.vrt-title-s { font-size: 17px; font-weight: 700; color: var(--ink); }

@keyframes vrt-drop {
  from { opacity: 0; transform: translateY(-18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================ BỘ ĐẾM TRUY CẬP (GÓC TRÊN PHẢI) ============================ */
.vrt-visitor-counter {
  position: fixed; top: 20px; right: 22px; z-index: 50;
  display: flex; align-items: center; gap: 12px;
  padding: 10px 18px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
  animation: vrt-drop .7s cubic-bezier(.2, .9, .3, 1.2) both;
  font-family: var(--font);
  color: var(--ink);
  pointer-events: auto;
}
.vrt-vc-item {
  display: flex; align-items: center; gap: 6px;
  font-size: 12.5px; font-weight: 600;
}
.vrt-vc-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 10px #10b981, 0 0 0 2px rgba(16, 185, 129, 0.25);
  animation: vrt-pulse-dot 1.8s infinite ease-in-out;
}
@keyframes vrt-pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.35); opacity: 0.5; }
}
.vrt-vc-icon {
  color: var(--blue);
  display: flex; align-items: center;
}
.vrt-vc-label {
  font-size: 12px; color: #5a6580; font-weight: 600;
}
.vrt-vc-val {
  font-size: 13px; font-weight: 800; color: var(--pink);
  min-width: 14px; text-align: center;
}
.vrt-vc-line {
  width: 1px; height: 16px;
  background: rgba(74, 144, 217, 0.25);
}
@media (max-width: 640px) {
  .vrt-visitor-counter {
    top: auto; bottom: 84px; right: 22px;
    padding: 7px 13px;
    gap: 8px;
  }
  .vrt-vc-label { display: none; }
}

/* ============================ NÚT ÂM THANH ============================ */

/* cụm nút góc dưới trái: về trang chủ + bật/tắt âm thanh */
.vrt-tools {
  position: fixed; left: 22px; bottom: 22px; z-index: 90;
  display: flex; align-items: center; gap: 10px;
}
.vrt-tool-btn {
  width: 52px; height: 52px; border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: var(--glass);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  color: var(--pink); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow);
  transition: transform .25s, color .25s, background .25s;
  text-decoration: none;
  flex: none;
}
.vrt-tool-btn:hover { transform: scale(1.12); }
.vrt-sound-btn.is-off { color: #97a3bd; }
.vrt-home-btn { color: var(--blue); }
.vrt-home-btn:hover { color: #fff; background: var(--grad); border-color: transparent; }

/* ============================ MINIMAP ============================ */

.vrt-minimap {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  z-index: 80;
  display: flex; align-items: center; gap: 14px;
  padding: 10px 22px 10px 16px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
  animation: vrt-rise .7s cubic-bezier(.2, .9, .3, 1.2) both .15s;
  max-width: calc(100vw - 40px);
}
@keyframes vrt-rise {
  from { opacity: 0; transform: translate(-50%, 24px); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}
.vrt-minimap-label {
  font-size: 10px; font-weight: 800; letter-spacing: 2.5px; color: var(--blue);
  border-right: 1px solid rgba(74, 144, 217, .25);
  padding-right: 14px;
}
.vrt-minimap-items { display: flex; align-items: center; }
.vrt-mm-item {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  text-decoration: none; padding: 2px 5px;
}
.vrt-mm-img {
  width: 44px; height: 44px; border-radius: 50%;
  overflow: hidden;
  border: 2.5px solid var(--blue-light);
  background: #fff;
  box-shadow: 0 3px 10px rgba(42, 53, 80, .18);
  transition: all .25s cubic-bezier(.2, .9, .3, 1.2);
  display: block;
}
.vrt-mm-img img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.vrt-mm-item:hover .vrt-mm-img {
  transform: scale(1.18);
  border-color: var(--pink);
  box-shadow: 0 6px 18px rgba(224, 85, 154, .4);
}
.vrt-mm-item.active .vrt-mm-img {
  border-color: transparent;
  box-shadow: 0 0 0 3px var(--pink), 0 0 0 6px rgba(224, 85, 154, .25), 0 0 22px rgba(224, 85, 154, .6);
}
/* tooltip hiện title khi trỏ vào ảnh */
.vrt-mm-tip {
  position: absolute; bottom: calc(100% + 14px); left: 50%;
  transform: translateX(-50%) translateY(6px) scale(.94);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  color: var(--ink); font-size: 12.5px; font-weight: 800; letter-spacing: .3px;
  padding: 9px 18px; border-radius: 999px;
  box-shadow: 0 10px 30px rgba(42, 53, 80, .3);
  white-space: nowrap;
  opacity: 0; pointer-events: none;
  transition: all .25s cubic-bezier(.2, .9, .3, 1.2);
}
.vrt-mm-tip::after {
  content: ''; position: absolute; top: 100%; left: 50%; margin-left: -6px;
  border: 6px solid transparent; border-top-color: rgba(255, 255, 255, .85);
}
.vrt-mm-item:hover .vrt-mm-tip,
.vrt-mm-item:focus-visible .vrt-mm-tip {
  opacity: 1; transform: translateX(-50%) translateY(0) scale(1);
}
.vrt-mm-line {
  width: 24px; height: 2px; margin: 0 1px;
  background: linear-gradient(90deg, var(--blue-light), var(--pink-light));
  border-radius: 2px;
}

/* ============================ HOTSPOT: HOLOGRAM (zone) ============================ */

.vrt-zone-anchor { pointer-events: none; }
.vrt-zone {
  pointer-events: auto;
  position: absolute; left: 0; top: 0; transform: translate(-50%, -100%);
  display: flex; flex-direction: column; align-items: center;
  text-decoration: none;
  /* pannellum ép font Helvetica cho vùng 360 → phải chỉ định lại font của web,
     nếu không chữ đậm 800 tiếng Việt bị thay bằng font serif dự phòng */
  font-family: var(--font);
  animation: vrt-float 4.5s ease-in-out infinite;
}
@keyframes vrt-float {
  0%, 100% { transform: translate(-50%, -100%) translateY(0); }
  50%      { transform: translate(-50%, -100%) translateY(-10px); }
}
.vrt-zone-card {
  display: flex; flex-direction: column; align-items: center;
  width: 224px; padding: 12px 12px 14px;
  background: linear-gradient(160deg, rgba(255,255,255,.92), rgba(240,248,255,.82));
  border: 1px solid rgba(255, 255, 255, .9);
  border-radius: 18px;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 10px 34px rgba(30, 60, 130, .35), 0 0 0 1px rgba(126, 200, 240, .35), 0 0 26px rgba(87, 216, 232, .35);
  transition: all .3s cubic-bezier(.2, .9, .3, 1.2);
  overflow: hidden;
}
.vrt-zone-card img {
  width: 100%; border-radius: 12px; display: block;
  box-shadow: 0 4px 14px rgba(42, 53, 80, .18);
}
.vrt-zone-title {
  margin-top: 10px; font-size: 15px; font-weight: 800; color: var(--ink); letter-spacing: .5px;
}
.vrt-zone-sub { font-size: 11.5px; font-weight: 600; color: var(--pink); margin-top: 1px; }
.vrt-zone-desc {
  font-size: 11px; color: #5a6580; line-height: 1.55; text-align: justify;
  max-height: 0; opacity: 0; margin-top: 0;
  transition: all .35s ease;
}
.vrt-zone-go {
  font-size: 11px; font-weight: 800; color: #fff;
  background: var(--grad);
  padding: 0 14px; border-radius: 999px;
  max-height: 0; opacity: 0; margin-top: 0; line-height: 26px;
  transition: all .35s ease;
}
.vrt-zone:hover .vrt-zone-card {
  transform: scale(1.06);
  box-shadow: 0 16px 50px rgba(224, 85, 154, .4), 0 0 0 1px rgba(248, 168, 204, .6), 0 0 40px rgba(224, 85, 154, .45);
}
.vrt-zone:hover .vrt-zone-desc { max-height: 300px; opacity: 1; margin-top: 8px; }
.vrt-zone:hover .vrt-zone-go { max-height: 26px; opacity: 1; margin-top: 9px; }

/* cột sáng hologram dưới card */
.vrt-zone-beam {
  order: 2;
  width: 46px; height: 46px;
  background: linear-gradient(to bottom, rgba(87, 216, 232, .55), rgba(87, 216, 232, 0));
  clip-path: polygon(35% 0, 65% 0, 100% 100%, 0 100%);
  margin-top: -2px;
  animation: vrt-beam 2.2s ease-in-out infinite;
}
@keyframes vrt-beam { 0%, 100% { opacity: .95; } 50% { opacity: .45; } }

/* ============================ HOTSPOT: SPOT TRÒN ============================ */

.vrt-spot-anchor { pointer-events: none; }
.vrt-spot {
  pointer-events: auto;
  position: absolute; left: 0; top: 0; transform: translate(-50%, -50%);
  background: none; border: none; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-family: var(--font);
}
.vrt-spot-ring {
  position: absolute; top: -8px; left: 50%; margin-left: -26px;
  width: 52px; height: 52px; border-radius: 50%;
  border: 2px solid rgba(224, 85, 154, .8);
  animation: vrt-pulse 2s ease-out infinite;
}
@keyframes vrt-pulse {
  0%   { transform: scale(.55); opacity: 1; }
  100% { transform: scale(1.6); opacity: 0; }
}
.vrt-spot-core {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--grad);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 18px rgba(224, 85, 154, .55), inset 0 0 0 2px rgba(255,255,255,.55);
  transition: transform .25s;
}
.vrt-spot:hover .vrt-spot-core { transform: scale(1.18); }
.vrt-spot-label {
  font-size: 12px; font-weight: 700; color: var(--ink);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  padding: 6px 14px; border-radius: 999px;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 6px 20px rgba(42, 53, 80, .25);
  white-space: nowrap;
  transition: all .25s;
}
.vrt-spot:hover .vrt-spot-label { color: var(--pink); transform: translateY(2px); }

/* ============================ HOTSPOT: LỚP PHỦ RECT ============================ */

/* lớp chứa các quad bám ảnh 360 (kích thước tự đo theo #pano trong JS) */
.vrt-quad-layer {
  position: absolute; left: 0; top: 0;
  pointer-events: none;
  z-index: 2;
}
.vrt-rect {
  pointer-events: auto;
  position: absolute; left: 0; top: 0;
  transform-origin: 0 0;
  background: rgba(126, 200, 240, .07);
  border: 1.5px solid rgba(255, 255, 255, .45);
  border-radius: 14px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font);
  transition: background .3s, border-color .3s, box-shadow .3s;
  box-shadow: 0 0 0 rgba(87, 216, 232, 0);
}
.vrt-rect:hover {
  background: rgba(224, 85, 154, .14);
  border-color: rgba(248, 168, 204, .9);
  box-shadow: 0 0 34px rgba(224, 85, 154, .5), inset 0 0 30px rgba(255, 255, 255, .15);
}
.vrt-rect-corners i {
  position: absolute; width: 22px; height: 22px;
  border: 3px solid var(--cyan); transition: border-color .3s;
}
.vrt-rect-corners i:nth-child(1) { top: -3px; left: -3px; border-right: none; border-bottom: none; border-radius: 14px 0 0 0; }
.vrt-rect-corners i:nth-child(2) { top: -3px; right: -3px; border-left: none; border-bottom: none; border-radius: 0 14px 0 0; }
.vrt-rect-corners i:nth-child(3) { bottom: -3px; left: -3px; border-right: none; border-top: none; border-radius: 0 0 0 14px; }
.vrt-rect-corners i:nth-child(4) { bottom: -3px; right: -3px; border-left: none; border-top: none; border-radius: 0 0 14px 0; }
.vrt-rect:hover .vrt-rect-corners i { border-color: var(--pink); }
.vrt-rect-label {
  /* tiêu đề nằm NGAY TRÊN khung, không che nội dung trong ảnh */
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  display: flex; align-items: center;
  font-size: 12.5px; font-weight: 700; color: var(--ink);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  padding: 8px 16px; border-radius: 999px;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 6px 20px rgba(42, 53, 80, .3);
  white-space: nowrap;
  transition: color .25s;
}
.vrt-rect:hover .vrt-rect-label { color: var(--pink); transform: translateX(-50%) scale(1.05); }

/* ============================ POPUP / MODAL ============================ */

.vrt-modal {
  position: fixed; inset: 0; z-index: 200;
  display: flex; align-items: center; justify-content: center;
  background: rgba(16, 24, 52, 0);
  backdrop-filter: blur(0px); -webkit-backdrop-filter: blur(0px);
  transition: all .28s ease;
  padding: 24px;
}
.vrt-modal.show {
  background: rgba(16, 24, 52, .55);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.vrt-card {
  position: relative;
  width: min(680px, 100%);
  max-height: calc(100vh - 60px);
  max-height: calc(100dvh - 48px);
  display: flex; flex-direction: column;
  background: linear-gradient(165deg, #ffffff 0%, #fdf3f8 60%, #eef6fe 100%);
  border: 1px solid rgba(255, 255, 255, .9);
  border-radius: 24px;
  box-shadow: 0 30px 90px rgba(10, 18, 48, .5), 0 0 0 1px rgba(248, 168, 204, .25), 0 0 60px rgba(87, 216, 232, .2);
  transform: translateY(26px) scale(.96); opacity: 0;
  transition: all .3s cubic-bezier(.2, .9, .3, 1.15);
  overflow: hidden;
}
.vrt-modal.show .vrt-card { transform: translateY(0) scale(1); opacity: 1; }
.vrt-modal-wide .vrt-card { width: min(960px, 100%); }

.vrt-card-head {
  padding: 22px 60px 16px 28px;
  border-bottom: 1px solid rgba(74, 144, 217, .14);
  position: relative;
}
.vrt-card-head::before {
  content: ''; position: absolute; left: 28px; bottom: -1.5px;
  width: 64px; height: 3px; border-radius: 3px; background: var(--grad);
}
.vrt-card-head h2 {
  font-size: 18px; font-weight: 800; color: var(--ink); letter-spacing: .4px; line-height: 1.4;
}
.vrt-close {
  position: absolute; top: 16px; right: 16px; z-index: 5;
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid rgba(224, 85, 154, .25);
  background: #fff; color: var(--pink);
  font-size: 24px; line-height: 1; cursor: pointer;
  box-shadow: 0 4px 14px rgba(42, 53, 80, .15);
  transition: all .25s;
}
.vrt-close:hover { background: var(--pink); color: #fff; transform: rotate(90deg); }

/* popup text (giới thiệu / nghị quyết) */
.vrt-text-body {
  padding: 20px 28px 28px;
  overflow-y: auto;
  color: #414d6b; font-size: 14.5px; line-height: 1.75;
}
.vrt-text-body h3 { color: var(--pink); text-align: center; margin: 4px 0 18px; line-height: 1.5; font-size: 18px; letter-spacing: .5px; }
.vrt-text-body h4 {
  color: #fff; text-align: center; font-size: 15px; letter-spacing: .4px;
  margin: 24px 0 12px; padding: 9px 16px; border-radius: 12px;
  background: var(--grad);
  box-shadow: 0 6px 18px rgba(224, 85, 154, .3);
}
.vrt-text-body h5 {
  color: var(--pink); font-size: 14px; margin: 16px 0 5px; line-height: 1.45;
  padding-left: 12px; border-left: 3px solid var(--pink-light);
}
.vrt-text-body p { margin-bottom: 12px; }
.vrt-text-body ul { margin: 0 0 12px 22px; }
.vrt-text-body li { margin-bottom: 7px; }
.vrt-text-body b { color: var(--ink); }
.vrt-text-body::-webkit-scrollbar { width: 8px; }
.vrt-text-body::-webkit-scrollbar-thumb { background: var(--pink-light); border-radius: 8px; }

/* popup lãnh đạo */
.vrt-leaders {
  padding: 24px 28px 30px;
  overflow-y: auto;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 18px;
}
.vrt-leaders::-webkit-scrollbar { width: 8px; }
.vrt-leaders::-webkit-scrollbar-thumb { background: var(--blue-light); border-radius: 8px; }
.vrt-leader {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  background: #fff; border-radius: 16px; padding: 14px 10px 16px;
  border: 1px solid rgba(126, 200, 240, .35);
  box-shadow: 0 6px 20px rgba(42, 53, 80, .08);
  transition: all .3s;
}
.vrt-leader:hover {
  transform: translateY(-5px);
  border-color: var(--pink-light);
  box-shadow: 0 14px 30px rgba(224, 85, 154, .18);
}
.vrt-leader-photo {
  width: 96px; height: 120px; border-radius: 12px; overflow: hidden;
  border: 2px solid var(--blue-soft);
  box-shadow: 0 4px 12px rgba(42, 53, 80, .12);
}
.vrt-leader-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.vrt-leader-name { margin-top: 10px; font-size: 13px; font-weight: 800; color: var(--ink); }
.vrt-leader-term { margin-top: 3px; font-size: 11.5px; color: var(--pink); font-weight: 600; }

/* popup video đơn */
.vrt-video-wrap { padding: 20px 28px 28px; }
.vrt-video-wrap video {
  width: 100%; display: block; border-radius: 16px;
  background: #0a1230;
  box-shadow: 0 14px 40px rgba(10, 18, 48, .35);
}

/* popup gallery */
.vrt-gallery {
  display: flex; align-items: center; gap: 12px;
  padding: 20px 20px 0;
}
.vrt-stage {
  flex: 1; min-width: 0;
  aspect-ratio: 16 / 9;
  border-radius: 16px; overflow: hidden;
  background: #0e1638;
  box-shadow: 0 14px 40px rgba(10, 18, 48, .3);
  display: flex; align-items: center; justify-content: center;
}
.vrt-stage img, .vrt-stage video { width: 100%; height: 100%; object-fit: contain; display: block; }
.vrt-zoomable { cursor: zoom-in; }
.vrt-text-body img { cursor: zoom-in; max-width: 100%; }
.vrt-slide-in { animation: vrt-slide .35s ease both; }
@keyframes vrt-slide {
  from { opacity: 0; transform: scale(.97); }
  to   { opacity: 1; transform: scale(1); }
}
.vrt-arrow {
  flex: 0 0 auto;
  width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid rgba(224, 85, 154, .3);
  background: #fff; color: var(--pink);
  font-size: 18px; cursor: pointer;
  box-shadow: 0 6px 18px rgba(42, 53, 80, .15);
  transition: all .25s;
}
.vrt-arrow:hover { background: var(--pink); color: #fff; transform: scale(1.1); }
.vrt-gal-foot {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 86px 22px;
}
.vrt-caption { flex: 1; font-size: 13px; color: #5a6580; min-width: 0; }
.vrt-dots { display: flex; gap: 7px; }
.vrt-dot {
  width: 9px; height: 9px; border-radius: 50%;
  border: none; background: rgba(74, 144, 217, .28); cursor: pointer;
  transition: all .25s; padding: 0;
}
.vrt-dot:hover { background: var(--blue); }
.vrt-dot.active { background: var(--pink); transform: scale(1.35); box-shadow: 0 0 8px rgba(224, 85, 154, .6); }
.vrt-counter { font-size: 12px; font-weight: 700; color: var(--blue); }

/* ============================ LIGHTBOX (phóng to ảnh trên popup) ============================ */

.vrt-lightbox {
  position: fixed; inset: 0; z-index: 400;
  display: flex; align-items: center; justify-content: center;
  background: rgba(10, 16, 40, 0);
  backdrop-filter: blur(0); -webkit-backdrop-filter: blur(0);
  transition: all .25s ease;
  padding: 20px;
}
.vrt-lightbox.show {
  background: rgba(10, 16, 40, .72);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.vrt-lb-inner {
  max-width: 100%; max-height: 100%;
  display: flex; align-items: center; justify-content: center;
}
.vrt-lb-img {
  max-width: min(1200px, 94vw); max-height: 90vh;
  border-radius: 18px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, .6), 0 0 0 1px rgba(248, 168, 204, .35), 0 0 60px rgba(224, 85, 154, .3);
  transform: scale(.9); opacity: 0;
  transition: all .28s cubic-bezier(.2, .9, .3, 1.15);
}
.vrt-lightbox.show .vrt-lb-img { transform: scale(1); opacity: 1; }
.vrt-lb-close { position: fixed; top: 18px; right: 18px; z-index: 5; }

/* nút kính lúp nhỏ trên card lãnh đạo */
.vrt-leader { cursor: pointer; position: relative; }
.vrt-leader-zoom {
  position: absolute; top: 8px; right: 8px;
  width: 26px; height: 26px; border-radius: 50%;
  background: rgba(255, 255, 255, .92);
  color: var(--pink);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 3px 10px rgba(42, 53, 80, .2);
  opacity: 0; transform: scale(.7);
  transition: all .25s;
}
.vrt-leader:hover .vrt-leader-zoom { opacity: 1; transform: scale(1); }

/* ============================ LITTLE PLANET ============================ */

.vrt-planet {
  position: fixed; inset: 0; z-index: 150;
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(circle at 50% 45%, #23346b 0%, #0a1230 70%);
  transition: opacity .9s ease;
  overflow: hidden;
}
.vrt-planet.fade { opacity: 0; pointer-events: none; }
.vrt-planet { transition: opacity .55s ease; }
.vrt-planet-disc {
  width: min(74vmin, 720px); height: min(74vmin, 720px);
  animation: planet-in .55s cubic-bezier(.2, .85, .3, 1.1) both;
}
.vrt-planet.go .vrt-planet-disc {
  animation: planet-zoom 1.35s cubic-bezier(.6, .02, .45, 1) forwards;
}
.vrt-planet-disc img {
  width: 100%; height: 100%;
  border-radius: 50%;
  object-fit: cover; display: block;
  box-shadow: 0 0 90px rgba(87, 216, 232, .5), 0 0 220px rgba(224, 85, 154, .28), inset 0 0 60px rgba(10, 18, 48, .35);
  animation: planet-spin 40s linear infinite;
}
@keyframes planet-in {
  from { transform: scale(.15) rotate(-160deg); opacity: 0; }
  to   { transform: scale(1) rotate(0deg); opacity: 1; }
}
@keyframes planet-zoom {
  to { transform: scale(7.5) rotate(24deg); opacity: .96; }
}
@keyframes planet-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ============================ CHẾ ĐỘ CHỈNH VỊ TRÍ (?edit=1) ============================ */

.vrt-rect.vrt-editing {
  cursor: move;
  border-style: dashed;
  border-color: rgba(224, 85, 154, .85);
  background: rgba(224, 85, 154, .10);
}
.vrt-edit-handle {
  position: absolute;
  width: 16px; height: 16px; border-radius: 50%;
  background: #fff;
  border: 3px solid var(--pink);
  box-shadow: 0 2px 8px rgba(42, 53, 80, .4);
  z-index: 5;
}
.vrt-eh-tl { top: -8px; left: -8px; cursor: nwse-resize; }
.vrt-eh-tr { top: -8px; right: -8px; cursor: nesw-resize; }
.vrt-eh-br { bottom: -8px; right: -8px; cursor: nwse-resize; }
.vrt-eh-bl { bottom: -8px; left: -8px; cursor: nesw-resize; }

.vrt-editing-point { cursor: move !important; outline: 2px dashed rgba(224, 85, 154, .8); outline-offset: 4px; }

.vrt-edit-banner {
  position: fixed; top: 14px; left: 50%; transform: translateX(-50%);
  z-index: 500;
  max-width: min(720px, calc(100vw - 24px));
  background: rgba(42, 30, 60, .88);
  color: #fff; font-size: 13px; line-height: 1.5;
  padding: 10px 20px; border-radius: 12px;
  border: 1px solid rgba(248, 168, 204, .5);
  box-shadow: 0 10px 30px rgba(0, 0, 0, .4);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  text-align: center;
}
.vrt-edit-banner b { color: var(--pink-light); }

.vrt-edit-panel {
  position: fixed; top: 74px; right: 14px; bottom: 90px;
  z-index: 500;
  width: min(330px, calc(100vw - 28px));
  overflow-y: auto;
  background: rgba(255, 255, 255, .93);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  padding: 12px;
}
.vrt-ed-head {
  font-size: 12px; font-weight: 800; letter-spacing: 1.5px; color: var(--blue);
  padding: 2px 4px 10px;
}
.vrt-ed-row {
  padding: 8px 8px 10px;
  border-top: 1px solid rgba(74, 144, 217, .14);
}
.vrt-ed-name { font-size: 12px; font-weight: 700; color: var(--ink); margin-bottom: 4px; }
.vrt-ed-val {
  display: block;
  font-family: Consolas, monospace; font-size: 11.5px; color: var(--pink);
  background: var(--pink-soft);
  padding: 5px 8px; border-radius: 8px; margin-bottom: 6px;
  word-break: break-all;
}
.vrt-ed-copy, .vrt-ed-copyall {
  font-family: var(--font); font-size: 11px; font-weight: 700;
  color: var(--blue); background: #fff;
  border: 1px solid rgba(74, 144, 217, .4);
  padding: 4px 12px; border-radius: 999px; cursor: pointer;
  transition: all .2s;
}
.vrt-ed-copy:hover, .vrt-ed-copyall:hover { background: var(--blue); color: #fff; }
.vrt-ed-copyall {
  display: block; width: 100%; margin-top: 10px; padding: 8px;
  background: var(--grad); color: #fff; border: none; font-size: 12px;
}

/* ============================ TOAST (Ctrl+click toạ độ) ============================ */

.vrt-toast {
  position: fixed; top: 26px; left: 50%; transform: translate(-50%, -16px);
  z-index: 300;
  background: var(--glass); border: 1px solid var(--glass-border);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  color: var(--ink); font-size: 13.5px; font-weight: 700;
  padding: 12px 22px; border-radius: 999px;
  box-shadow: var(--shadow);
  opacity: 0; transition: all .3s;
}
.vrt-toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ============================ TRANG MỞ ĐẦU ============================ */

.intro-page { background: #0a1230; }
#intro-video {
  position: fixed; inset: 0; width: 100%; height: 100%;
  object-fit: cover;
}
.intro-overlay {
  position: fixed; inset: 0; z-index: 10;
  background: linear-gradient(to bottom, rgba(10, 18, 48, .35) 0%, rgba(10, 18, 48, 0) 35%, rgba(10, 18, 48, 0) 60%, rgba(10, 18, 48, .55) 100%);
  pointer-events: none;
  display: flex; flex-direction: column; align-items: flex-end; justify-content: flex-start;
  padding: 9vh clamp(24px, 6vw, 90px) 0 0;   /* căn về bên phải */
}
#intro-title {
  font-size: clamp(38px, 7vw, 84px);
  font-weight: 900; letter-spacing: 10px; color: #fff; text-align: right;
  text-shadow: 0 0 40px rgba(87, 216, 232, .8), 0 4px 30px rgba(10, 18, 48, .6);
  animation: intro-title-in 1.6s cubic-bezier(.2, .9, .3, 1) both .3s;
}
#intro-subtitle {
  margin-top: 14px;
  font-size: clamp(13px, 1.8vw, 22px);
  font-weight: 700; letter-spacing: 5px; text-align: right;
  line-height: 1.65; padding-top: 2px;   /* chừa chỗ cho dấu tiếng Việt */
  background: linear-gradient(90deg, var(--blue-light), #fff, var(--pink-light));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 2px 14px rgba(10, 18, 48, .8));
  animation: intro-title-in 1.6s cubic-bezier(.2, .9, .3, 1) both .7s, intro-shimmer 5s linear infinite 2s;
  background-size: 200% 100%;
}
@keyframes intro-title-in {
  from { opacity: 0; transform: translateY(34px) scale(.94); letter-spacing: 18px; filter: blur(6px); }
  to   { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
}
@keyframes intro-shimmer {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}

#intro-close {
  position: fixed; bottom: 34px; left: 50%; transform: translateX(-50%);
  z-index: 20;
  font-family: var(--font); font-size: 14px; font-weight: 800; letter-spacing: 2px;
  color: #fff; background: rgba(255, 255, 255, .12);
  border: 1.5px solid rgba(255, 255, 255, .55);
  padding: 13px 44px; border-radius: 999px;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  cursor: pointer; transition: all .3s;
  animation: vrt-rise 1s ease both 1.4s;
}
#intro-close:hover {
  background: var(--grad); border-color: transparent;
  box-shadow: 0 0 34px rgba(224, 85, 154, .65);
  transform: translateX(-50%) scale(1.06);
}

/* hộp hỏi bật / tắt âm thanh */
#sound-ask {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center;
  background: rgba(10, 18, 48, .6);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  transition: opacity .45s;
}
#sound-ask.hide { opacity: 0; pointer-events: none; }
.sa-card {
  display: flex; flex-direction: column; align-items: center;
  background: linear-gradient(165deg, #ffffff 0%, #fdf3f8 60%, #eef6fe 100%);
  border-radius: 26px; padding: 40px 40px 36px;
  box-shadow: 0 30px 90px rgba(10, 18, 48, .55), 0 0 60px rgba(87, 216, 232, .25);
  animation: vrt-pop .55s cubic-bezier(.2, .9, .3, 1.25) both;
  /* đủ rộng để "DẤU ẤN KHÁT VỌNG TRONG KỶ NGUYÊN MỚI" nằm gọn 1 dòng trên PC */
  text-align: center; max-width: min(540px, calc(100vw - 32px));
}
@keyframes vrt-pop {
  from { opacity: 0; transform: scale(.85) translateY(20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
.sa-icon {
  width: 74px; height: 74px; border-radius: 50%;
  background: var(--grad);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  box-shadow: 0 10px 30px rgba(224, 85, 154, .45);
  margin-bottom: 20px;
}
.sa-card h2 { font-size: 20px; font-weight: 800; color: var(--ink); }
.sa-name {
  margin-top: 10px;
  font-size: 14.5px; font-weight: 800; letter-spacing: .2px;
  line-height: 1.7; padding-top: 2px;    /* chừa chỗ cho dấu tiếng Việt */
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.sa-card p { margin-top: 10px; font-size: 13.5px; color: #5a6580; line-height: 1.6; }
.sa-btns { display: flex; gap: 14px; margin-top: 26px; }
.sa-btns button {
  font-family: var(--font); font-size: 14px; font-weight: 800;
  padding: 13px 30px; border-radius: 999px; cursor: pointer;
  transition: all .28s; letter-spacing: .3px;
}
.sa-on {
  border: none; color: #fff; background: var(--grad);
  box-shadow: 0 8px 26px rgba(224, 85, 154, .45);
}
.sa-on:hover { transform: scale(1.07); box-shadow: 0 12px 34px rgba(224, 85, 154, .6); }
.sa-off {
  border: 1.5px solid rgba(74, 144, 217, .4); color: var(--blue); background: #fff;
}
.sa-off:hover { border-color: var(--blue); background: var(--blue-soft); transform: scale(1.05); }

/* ============================ RESPONSIVE ============================ */

@media (max-width: 760px) {
  .vrt-header { top: 12px; left: 12px; gap: 9px; max-width: calc(100vw - 24px); }
  .vrt-title { padding: 8px 13px; }
  .vrt-title-s { font-size: 13px; }
  .vrt-title-k { font-size: 11px; letter-spacing: 2px; }
  .vrt-logo-solo { top: 12px; left: 12px; }
  .vrt-minimap { bottom: 14px; padding: 8px 14px; gap: 10px; }
  .vrt-minimap-label { display: none; }
  .vrt-mm-img { width: 38px; height: 38px; }
  .vrt-mm-line { width: 12px; }
  .vrt-tools { left: 14px; bottom: 84px; gap: 8px; }
  .vrt-tool-btn { width: 46px; height: 46px; }
  .vrt-zone-card { width: 150px; }
  .vrt-zone-desc { display: none; } /* mô tả hover không áp dụng trên cảm ứng */
  .vrt-gal-foot { padding: 12px 20px 20px; flex-wrap: wrap; }
  .vrt-caption { flex-basis: 100%; order: 3; }
  .vrt-card-head h2 { font-size: 15px; }
  .vrt-modal { padding: 12px; }
  .vrt-gallery { gap: 8px; padding: 14px 10px 0; }
  .vrt-arrow { width: 38px; height: 38px; font-size: 15px; }
  .vrt-video-wrap { padding: 14px 14px 20px; }
  .vrt-text-body { padding: 16px 18px 22px; font-size: 13.5px; }
  .vrt-leaders { padding: 18px 16px 22px; grid-template-columns: repeat(auto-fill, minmax(124px, 1fr)); gap: 12px; }
  .vrt-rect-label { font-size: 11px; padding: 6px 11px; }
  .vrt-rect-label svg { display: none; }
  .vrt-spot-label { font-size: 11px; padding: 5px 11px; }
  .vrt-spot-core { width: 32px; height: 32px; }
  #intro-close { bottom: 24px; padding: 12px 36px; }
  .sa-card { padding: 30px 20px 28px; }
  /* thu nhỏ chút để "DẤU ẤN KHÁT VỌNG TRONG KỶ NGUYÊN MỚI" cũng gọn 1 dòng trên điện thoại */
  .sa-name { font-size: 12.5px; letter-spacing: 0; }
  .sa-btns { flex-direction: column; width: 100%; }
  .sa-btns button { width: 100%; }
}