/* ════════════════════════════════════════════════════════════════
   NBRE · layout.css — nav, hero, map nodes/sparks, nav tools, map search/control
   Tách từ styles.css. THỨ TỰ NỐI (cascade) trong index.html:
   base → layout → components → estate-detail → editorial → detail-modules → overlays → theme-light. KHỐI light-theme override
   nằm CUỐI theme-light.css — đừng đảo thứ tự <link>.
   ════════════════════════════════════════════════════════════════ */

/* ── nav ─────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.7rem clamp(1.4rem, 4vw, 3.4rem);
  transition:
    background 0.5s var(--ease),
    padding 0.5s var(--ease),
    border-color 0.5s;
  border-bottom: 1px solid transparent;
}
.nav.is-stuck {
  background: rgba(7, 9, 14, 0.72);
  backdrop-filter: blur(14px);
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--line);
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}
.nav__mark {
  height: 7.7rem;
  width: auto;
  display: block;
}
.nav__name {
  font-size: 0.82rem;
  letter-spacing: 0.34em;
  font-weight: 500;
  line-height: 1.3;
}
.nav__name em {
  display: block;
  font-style: normal;
  font-size: 0.56rem;
  letter-spacing: 0.3em;
  color: var(--muted);
  margin-top: 0.2rem;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1.2rem, 2.6vw, 2.6rem);
}
.nav__links a {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.4s;
}
.nav__links a:hover {
  color: var(--gold-bright);
}
.nav__cta {
  color: var(--text) !important;
  border: 1px solid var(--line);
  padding: 0.7em 1.4em;
  border-radius: 2px;
  transition: all 0.4s var(--ease) !important;
}
.nav__cta:hover {
  border-color: var(--gold);
  background: rgba(200, 169, 114, 0.08);
}

/* ── hero ────────────────────────────────────────────────── */
.hero {
  position: relative;
  height: 100vh;
  height: 100svh;
  min-height: 680px;
  width: 100%;
  overflow: hidden;
}

/* instant poster behind the map — luxury skyline gradient, no network, no black flash */
.hero__poster {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(
      64% 50% at 52% 60%,
      rgba(200, 169, 114, 0.14),
      transparent 60%
    ),
    radial-gradient(
      120% 90% at 50% 26%,
      rgba(26, 29, 39, 0.85),
      transparent 72%
    ),
    linear-gradient(180deg, #070910 0%, #0a0e16 46%, #0d1017 100%);
}
/* live map — fades in over the poster once it has content (set .is-on) */
.hero__map {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0;
  transition: opacity 1.1s var(--ease);
}
.hero__map.is-on {
  opacity: 1;
}
.hero__map .maplibregl-canvas {
  outline: none;
}
/* push the dark map toward our champagne-noir palette + add life */
.hero__map .maplibregl-canvas-container canvas {
  filter: saturate(1.12) contrast(1.05) brightness(1.03);
}
.hero__maptint {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  background:
    radial-gradient(
      64% 52% at 54% 46%,
      rgba(240, 221, 180, 0.16),
      rgba(200, 169, 114, 0.07) 38%,
      transparent 64%
    ),
    radial-gradient(
      120% 100% at 50% 50%,
      transparent 50%,
      rgba(7, 9, 14, 0.55) 100%
    );
  mix-blend-mode: screen;
}
.hero__fade {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  background:
    /* cinematic left scrim — keeps the copy crisp while the gold map stays lit */
    linear-gradient(
      95deg,
      rgba(5, 6, 11, 0.74) 0%,
      rgba(5, 6, 11, 0.46) 24%,
      rgba(5, 6, 11, 0.12) 42%,
      transparent 56%
    ),
    radial-gradient(
      135% 110% at 50% 42%,
      transparent 46%,
      rgba(5, 6, 11, 0.45) 78%,
      rgba(4, 5, 9, 0.8) 100%
    ),
    linear-gradient(
      180deg,
      rgba(7, 9, 14, 0.55) 0%,
      transparent 18%,
      transparent 58%,
      var(--ink) 100%
    );
}
/* keep copy/legend above the map */
.hero__copy,
.hero__hint,
.hero__stats,
.legend {
  z-index: 12;
}

/* subtle, on-brand MapLibre controls */
.maplibregl-ctrl-group {
  background: rgba(11, 14, 21, 0.7) !important;
  border: 1px solid var(--line) !important;
  box-shadow: none !important;
}
.maplibregl-ctrl-group button + button {
  border-top: 1px solid var(--line) !important;
}
.maplibregl-ctrl button .maplibregl-ctrl-icon {
  filter: invert(1) sepia(1) saturate(2) hue-rotate(5deg) brightness(0.9);
  opacity: 0.7;
}
.maplibregl-ctrl-attrib {
  background: rgba(7, 9, 14, 0.6) !important;
  font-size: 9px !important;
}
.maplibregl-ctrl-attrib a {
  color: var(--muted) !important;
}

/* ── GLOWING / BLINKING PROPERTY NODES (force-graph style) ───── */
.hero__nodes {
  position: absolute;
  inset: 0;
  z-index: 6;
  pointer-events: none;
}
.hero__nodes .nbnode {
  pointer-events: auto;
}
.nbnode {
  --c: #f1d9a0;
  --soft: #fff0cc;
  position: absolute;
  top: 0;
  left: 0;
  width: 18px;
  height: 18px;
  cursor: pointer;
  display: grid;
  place-items: center;
  will-change: transform;
  opacity: 0;
  transition: opacity 0.5s var(--ease); /* revealed as the map rotates */
}
.nbnode:not(.is-shown) {
  pointer-events: none;
}
.nbnode.is-shown {
  opacity: 1;
}
.nbnode.is-shown .nbnode__ring {
  animation: revealPing 1.1s var(--ease) 1;
}
.nbnode__core,
.nbnode__ring,
.nbnode__halo {
  position: absolute;
  inset: 0;
  margin: auto;
  border-radius: 50%;
  pointer-events: none;
}
.nbnode__core {
  width: 10px;
  height: 10px;
  background: radial-gradient(circle at 35% 30%, #fff, var(--c) 70%);
  box-shadow:
    0 0 11px 3px var(--c),
    0 0 26px 7px color-mix(in srgb, var(--c) 65%, transparent);
  animation: blink 3.4s var(--ease) infinite;
  animation-delay: inherit; /* twinkle */
}
.nbnode__ring {
  width: 18px;
  height: 18px;
  border: 1px solid color-mix(in srgb, var(--c) 70%, transparent);
  opacity: 0.7;
}
.nbnode__halo {
  width: 20px;
  height: 20px;
  background: var(--c);
  opacity: 0.3;
  filter: blur(8px);
  animation: halo 3.4s var(--ease) infinite;
  animation-delay: inherit;
}
/* the price 'pin' label, hidden until hover */
.nbnode__pin {
  position: absolute;
  bottom: 140%;
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--soft);
  padding: 0.05em 0.45em;
  border-radius: 2px;
  white-space: nowrap;
  background: rgba(7, 9, 14, 0.7);
  border: 1px solid color-mix(in srgb, var(--c) 50%, transparent);
  opacity: 0;
  transition:
    opacity 0.35s var(--ease),
    transform 0.35s var(--ease);
  border-radius: 3px;
}
.nbnode__pin::after {
  content: " tỷ";
  font-size: 0.6em;
  letter-spacing: 0.12em;
  color: var(--muted);
}
.nbnode.is-hot {
  z-index: 50;
}
.nbnode.is-hot .nbnode__core {
  animation-play-state: paused;
  box-shadow:
    0 0 14px 4px var(--c),
    0 0 34px 10px color-mix(in srgb, var(--c) 70%, transparent);
  transform: scale(1.25);
}
.nbnode.is-hot .nbnode__ring {
  animation: ringOut 1.1s var(--ease) infinite;
}
.nbnode.is-hot .nbnode__pin {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* higher price-class reads slightly larger / brighter */
.nbnode--big {
  width: 23px;
  height: 23px;
}
.nbnode--big .nbnode__core {
  width: 12px;
  height: 12px;
}
.nbnode--big .nbnode__ring {
  width: 23px;
  height: 23px;
}

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  42% {
    opacity: 0.95;
  }
  48% {
    opacity: 0.45;
  }
  53% {
    opacity: 1;
  }
  70% {
    opacity: 0.7;
  }
  76% {
    opacity: 1;
  }
}
@keyframes halo {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.22;
  }
  50% {
    transform: scale(1.5);
    opacity: 0.4;
  }
}
@keyframes ringOut {
  0% {
    transform: scale(0.7);
    opacity: 0.9;
  }
  100% {
    transform: scale(2.4);
    opacity: 0;
  }
}
@keyframes revealPing {
  0% {
    transform: scale(0.4);
    opacity: 0;
  }
  18% {
    opacity: 0.9;
  }
  100% {
    transform: scale(2.8);
    opacity: 0;
  }
}

/* ── ambient city sparks (decorative, appear as the map rotates) ─ */
.nbspark {
  --c: #f1d9a0;
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 5px;
  opacity: 0;
  transition: opacity 0.6s var(--ease);
  pointer-events: none;
  will-change: transform;
}
.nbspark.is-shown {
  opacity: 0.62;
}
.nbspark__d {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--c);
  box-shadow: 0 0 5px 1px var(--c);
  animation: twinkle 2.6s var(--ease) infinite;
  animation-delay: inherit;
}
@keyframes twinkle {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.25;
    transform: scale(0.7);
  }
}

/* ── NAV TOOLS — language + theme (mang từ P2) ────────────────── */
.nav__tools {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-left: 0.4rem;
}
.langseg {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 30px;
  overflow: hidden;
}
.langseg button {
  font-family: var(--sans);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  font-weight: 600;
  padding: 0.42em 0.72em;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  border: none;
  transition:
    background 0.25s var(--ease),
    color 0.25s var(--ease);
}
.langseg button.on {
  background: var(--gold);
  color: #1a140a;
}
.langseg button:not(.on):hover {
  color: var(--gold-bright);
}
.themebtn {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  cursor: pointer;
  flex: none;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--gold-soft);
  transition:
    border-color 0.25s var(--ease),
    color 0.25s var(--ease),
    transform 0.25s var(--ease);
}
.themebtn:hover {
  border-color: var(--gold);
  color: var(--gold-bright);
  transform: rotate(15deg);
}
.themebtn svg {
  width: 17px;
  height: 17px;
}
.themebtn .ic-moon {
  display: none;
}
:root[data-theme="light"] .themebtn .ic-sun {
  display: none;
}
:root[data-theme="light"] .themebtn .ic-moon {
  display: block;
}

/* ── MAP SEARCH — thanh nổi dưới nav, góc phải (mang từ P2) ────── */
.mapsearch {
  /* nằm ngay DƯỚI hàng nav, sát hơn */
  position: fixed;
  top: 7.4rem;
  right: clamp(0.8rem, 1.6vw, 1.4rem);
  width: clamp(220px, 24vw, 310px);
  z-index: 150;
  transition:
    opacity 0.4s var(--ease),
    transform 0.4s var(--ease),
    visibility 0.4s;
}
.mapsearch.is-hidden,
.mapsearch.is-collapsed {
  opacity: 0;
  transform: translateY(-14px);
  visibility: hidden;
  pointer-events: none;
}
.mapsearch__field {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.6rem 0.8rem;
  border-radius: 11px;
  background: rgba(10, 13, 20, 0.62);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  border: 1px solid rgba(200, 169, 114, 0.28);
  box-shadow: 0 8px 26px rgba(0, 0, 0, 0.5);
  transition:
    border-color 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
}
.mapsearch__field:focus-within {
  border-color: rgba(200, 169, 114, 0.7);
  box-shadow:
    0 8px 30px rgba(0, 0, 0, 0.6),
    0 0 0 3px rgba(200, 169, 114, 0.12);
}
.mapsearch__icon {
  width: 16px;
  height: 16px;
  color: var(--gold-soft);
  flex: none;
}
.mapsearch__field input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  color: var(--gold-bright);
  font-family: var(--sans);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}
.mapsearch__field input::placeholder {
  color: var(--muted);
  letter-spacing: 0.04em;
}
.mapsearch__field input::-webkit-search-cancel-button {
  -webkit-appearance: none;
}
.mapsearch__results {
  list-style: none;
  margin: 0.4rem 0 0;
  padding: 0.3rem;
  border-radius: 11px;
  max-height: min(52vh, 420px);
  overflow: auto;
  background: rgba(10, 13, 20, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(200, 169, 114, 0.2);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.6);
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition:
    opacity 0.25s var(--ease),
    transform 0.25s var(--ease);
}
.mapsearch__results.is-open {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
.mapsearch__results li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.5rem 0.6rem;
  border-radius: 7px;
  cursor: pointer;
  transition: background 0.18s var(--ease);
}
.mapsearch__results li:hover,
.mapsearch__results li.is-active {
  background: rgba(200, 169, 114, 0.12);
}
.sr-name {
  color: #e8e2d4;
  font-size: 0.8rem;
}
.sr-name em {
  color: var(--gold-bright);
  font-style: normal;
}
.sr-loc {
  color: var(--muted);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.sr-empty {
  padding: 0.6rem;
  color: var(--muted);
  font-size: 0.74rem;
  text-align: center;
  cursor: default;
}
.sr-empty:hover {
  background: transparent !important;
}
/* on phones the search is a summoned top sheet (opened via the hero ⌕), not always-on */
@media (max-width: 560px) {
  .mapsearch {
    top: 4.7rem;
    left: clamp(0.8rem, 4vw, 1.2rem);
    right: clamp(0.8rem, 4vw, 1.2rem);
    width: auto;
  }
}

/* ── MAP CONTROL DOCK — floating top-right, no panel, map shows through ── */
.mapctl {
  /* nằm DƯỚI thanh tìm kiếm để hai cái không chồng nhau */
  position: absolute;
  right: clamp(0.8rem, 1.6vw, 1.4rem);
  top: 11rem;
  z-index: 14;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.28rem;
  /* panel kính mờ — để các nút nổi rõ trên mọi vùng bản đồ (mang từ P2) */
  padding: 0.5rem 0.35rem;
  border-radius: 13px;
  background: rgba(10, 13, 20, 0.55);
  backdrop-filter: blur(13px) saturate(120%);
  -webkit-backdrop-filter: blur(13px) saturate(120%);
  border: 1px solid rgba(200, 169, 114, 0.18);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}
.mapctl__div {
  width: 16px;
  height: 1px;
  background: rgba(255, 255, 255, 0.12);
  margin: 0.12rem 0;
}
.mc {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 7px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--gold-soft);
  font-size: 0.98rem;
  line-height: 1;
  cursor: pointer;
  transition: all 0.2s var(--ease);
  font-family: var(--sans);
  filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.75));
}
.mc:hover {
  color: var(--gold-bright);
  background: rgba(200, 169, 114, 0.16);
  border-color: rgba(200, 169, 114, 0.5);
}
.mc:active {
  transform: scale(0.9);
}
/* nút Xoay đang BẬT → sáng vàng + xoay nhẹ icon */
.mc.on {
  color: var(--gold-bright);
  background: rgba(200, 169, 114, 0.18);
  border-color: rgba(200, 169, 114, 0.55);
}
.mc--spin.on {
  animation: mcSpin 3.6s linear infinite;
}
@keyframes mcSpin {
  to {
    transform: rotate(360deg);
  }
}
@media (max-width: 720px) {
  .mapctl {
    right: 0.5rem;
    top: 3.8rem;
  }
}

/* ── nút Quản trị trên nav (tách khỏi CTA khách) ───────────────── */
.nav__admin {
  width: 34px; height: 34px; display: grid; place-items: center; flex: none;
  border: 1px solid var(--line); border-radius: 50%; background: transparent;
  color: var(--gold-soft);
  transition: color 0.3s var(--ease), border-color 0.3s, background 0.3s;
}
.nav__admin svg { width: 15px; height: 15px; }
.nav__admin:hover { color: var(--gold); border-color: var(--gold); background: rgba(200, 169, 114, 0.08); }
/* nhãn chỉ cho trình đọc màn hình — nút icon gọn, không chiếm chỗ nav */
.nav__admin span {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ── hamburger + mobile drawer (tối ưu menu mobile) ──────────────── */
.nav__burger { display: none; }
@media (max-width: 720px) {
  .nav { padding: 0.9rem clamp(1rem, 4vw, 1.6rem); }
  .nav__mark { height: 3.4rem; }          /* logo gọn trên mobile */
  .nav__burger {
    display: inline-grid; gap: 5px; width: 42px; height: 42px;
    place-content: center; background: transparent;
    border: 1px solid var(--line); border-radius: 10px; cursor: pointer; z-index: 320;
  }
  .nav__burger span {
    display: block; width: 20px; height: 1.6px; background: var(--gold-soft);
    transition: transform 0.35s var(--ease), opacity 0.25s;
  }
  .nav.menu-open .nav__burger span:nth-child(1) { transform: translateY(6.6px) rotate(45deg); }
  .nav.menu-open .nav__burger span:nth-child(2) { opacity: 0; }
  .nav.menu-open .nav__burger span:nth-child(3) { transform: translateY(-6.6px) rotate(-45deg); }

  /* nav__links → ngăn kéo trượt từ phải */
  .nav__links {
    position: fixed; top: 0; right: 0; bottom: 0;
    width: min(82vw, 320px); height: 100vh; height: 100dvh;
    flex-direction: column; align-items: flex-start; justify-content: flex-start;
    gap: 1.5rem; padding: 6rem 1.8rem 2.2rem;
    background: rgba(7, 9, 14, 0.98); backdrop-filter: blur(18px);
    border-left: 1px solid var(--line); overflow-y: auto; z-index: 300;
    transform: translateX(106%); transition: transform 0.42s var(--ease);
  }
  .nav.menu-open .nav__links { transform: none; }
  /* hiện lại các link trong drawer (đè rule ẩn mặc định) */
  .nav.menu-open .nav__links a:not(.nav__cta),
  .nav__links a:not(.nav__cta) { font-size: 1.02rem; letter-spacing: 0.12em; }
  .nav.menu-open .nav__links a:not(.nav__cta) { display: block; }
  .nav__cta { width: 100%; text-align: center; margin-top: 0.4rem; }
  .nav__tools { margin: 1rem 0 0; }
  /* scrim nền mờ sau drawer */
  .nav::after {
    content: ""; position: fixed; inset: 0; background: rgba(3, 4, 7, 0.55);
    opacity: 0; visibility: hidden; transition: opacity 0.35s; z-index: 290;
  }
  .nav.menu-open::after { opacity: 1; visibility: visible; }
  body.nav-menu-open { overflow: hidden; }
}