/* =========================================================
   stays.disannoi.vn — global styles
   Connect Vietnam ecosystem
   Primary: Teal #1D9E75 · Mobile-first
   ========================================================= */

:root {
  --teal:        #1D9E75;
  --teal-dark:   #157a5a;
  --teal-darker: #0f5a42;
  --teal-light:  #e6f6f0;
  --teal-tint:   #f3fbf8;

  --ink:    #1a2b27;
  --body:   #344742;
  --muted:  #6b817b;
  --line:   #e4eae8;
  --bg:     #ffffff;
  --bg-alt: #f7faf9;

  --gold:   #f5a623;
  --star:   #f5a623;

  --radius:    16px;
  --radius-sm: 10px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 3px rgba(16,40,33,.06), 0 1px 2px rgba(16,40,33,.04);
  --shadow-md: 0 6px 20px rgba(16,40,33,.10);
  --shadow-lg: 0 16px 40px rgba(16,40,33,.16);

  --nav-h: 64px;
  --maxw: 1200px;

  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
          "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--body);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 16px; }

/* =========================================================
   BUTTONS
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 40px;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  border: 1.5px solid transparent;
  white-space: nowrap;
  transition: transform .12s ease, background .15s ease, box-shadow .15s ease, color .15s ease;
}
.btn:active { transform: scale(.97); }

.btn--ghost {           /* viền trắng — nổi trên hero */
  color: #fff;
  border-color: rgba(255,255,255,.7);
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(4px);
}
.btn--ghost:hover { background: rgba(255,255,255,.16); border-color: #fff; }

.btn--white {           /* nền trắng chữ xanh */
  color: var(--teal-dark);
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.btn--white:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }

/* =========================================================
   HERO + NAV
   ========================================================= */
.hero {
  position: relative;
  min-height: 460px;
  padding: 0 16px 56px;
  background:
    linear-gradient(135deg, var(--teal) 0%, var(--teal-dark) 55%, var(--teal-darker) 100%);
  color: #fff;
  overflow: hidden;
}
.hero__overlay {
  position: absolute; inset: 0;
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(0,0,0,0) 40%, rgba(0,0,0,.28) 100%),
    linear-gradient(180deg, rgba(0,0,0,.18) 0%, rgba(0,0,0,0) 30%, rgba(0,0,0,.10) 100%);
  pointer-events: none;
}

.nav {
  position: relative;
  z-index: 3;
  max-width: var(--maxw);
  margin: 0 auto;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.02em;
  color: #fff;
}
.nav__logo-mark {
  display: inline-grid;
  place-items: center;
  width: 36px; height: 36px;
  border-radius: 10px;
  background: rgba(255,255,255,.16);
  color: #fff;
  backdrop-filter: blur(4px);
}
.nav__logo-dot { font-weight: 600; opacity: .85; }

.nav__actions { display: flex; align-items: center; gap: 10px; }
.nav__burger {
  display: none;
  background: none; border: none; color: #fff; padding: 6px;
}

.hero__inner {
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin: 0 auto;
  padding-top: 36px;
  text-align: center;
}
.hero__title {
  font-size: clamp(26px, 6vw, 44px);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -.02em;
  text-shadow: 0 2px 18px rgba(0,0,0,.22);
}
.hero__sub {
  margin-top: 12px;
  font-size: clamp(14px, 2.6vw, 17px);
  opacity: .94;
  text-shadow: 0 1px 10px rgba(0,0,0,.18);
}

/* SEARCH BAR */
.search {
  margin: 26px auto 0;
  max-width: 620px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border-radius: var(--radius-pill);
  padding: 7px 7px 7px 18px;
  box-shadow: var(--shadow-lg);
}
.search__icon { display: inline-flex; color: var(--muted); }
.search__input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 15px;
  color: var(--ink);
  background: transparent;
  min-width: 0;
}
.search__input::placeholder { color: #9aaaa4; }
.search__btn {
  flex-shrink: 0;
  height: 42px;
  padding: 0 22px;
  border: none;
  border-radius: var(--radius-pill);
  background: var(--teal);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  transition: background .15s ease, transform .12s ease;
}
.search__btn:hover { background: var(--teal-dark); }
.search__btn:active { transform: scale(.96); }

/* QUICK TAGS */
.quicktags {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}
.quicktag {
  height: 34px;
  padding: 0 14px;
  border-radius: var(--radius-pill);
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.32);
  color: #fff;
  font-size: 13.5px;
  font-weight: 600;
  backdrop-filter: blur(4px);
  transition: background .15s ease, transform .12s ease;
}
.quicktag:hover { background: rgba(255,255,255,.26); }
.quicktag:active { transform: scale(.96); }
.quicktag.is-active { background: #fff; color: var(--teal-dark); border-color: #fff; }

/* =========================================================
   FILTER BAR (sticky)
   ========================================================= */
.filterbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.filterbar__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  overflow-x: auto;
  scrollbar-width: none;
}
.filterbar__inner::-webkit-scrollbar { display: none; }
.filterbar__divider {
  width: 1px; height: 26px; flex-shrink: 0;
  background: var(--line);
}
.filter-group { display: flex; gap: 8px; flex-shrink: 0; }

.chip {
  height: 38px;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--line);
  background: #fff;
  color: var(--body);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: all .14s ease;
}
.chip:hover { border-color: var(--teal); color: var(--teal-dark); }
.chip.is-active {
  background: var(--teal);
  border-color: var(--teal);
  color: #fff;
}
.chip--dist.is-active { background: var(--ink); border-color: var(--ink); }

/* RADIUS SLIDER */
.radius {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  padding-right: 4px;
}
.radius__label { font-size: 13.5px; font-weight: 600; color: var(--muted); white-space: nowrap; }
.radius__slider {
  -webkit-appearance: none;
  appearance: none;
  width: 130px;
  height: 4px;
  border-radius: 4px;
  background: var(--line);
  outline: none;
}
.radius__slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--teal);
  border: 3px solid #fff;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}
.radius__slider::-moz-range-thumb {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--teal);
  border: 3px solid #fff;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}
.radius__value {
  font-size: 13.5px; font-weight: 700; color: var(--teal-dark);
  min-width: 48px; text-align: right; white-space: nowrap;
}

/* =========================================================
   TOOLBAR: location line + sort
   ========================================================= */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 0 10px;
}
.locline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--body);
  background: var(--teal-tint);
  border: 1px solid var(--teal-light);
  padding: 8px 14px;
  border-radius: var(--radius-pill);
}
.locline__icon { display: inline-flex; color: var(--teal); }
.locline strong { color: var(--ink); }
.locline__btn {
  border: none;
  background: var(--teal);
  color: #fff;
  font-weight: 600;
  font-size: 13px;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  margin-left: 4px;
}

.sort { display: inline-flex; align-items: center; gap: 8px; }
.sort__label { font-size: 14px; color: var(--muted); font-weight: 600; }
.sort__select {
  height: 40px;
  padding: 0 36px 0 14px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--line);
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%236b817b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m4 6 4 4 4-4'/%3E%3C/svg%3E") no-repeat right 12px center;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}
.sort__select:focus { outline: none; border-color: var(--teal); }

.result-count {
  font-size: 13.5px;
  color: var(--muted);
  padding: 2px 0 14px;
}

/* =========================================================
   CARD GRID
   ========================================================= */
.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding-bottom: 48px;
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--bg-alt);
  overflow: hidden;
}
.card__img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.card:hover .card__img { transform: scale(1.05); }

/* badge Nổi bật / Mới (góc trên trái) */
.card__badge {
  position: absolute;
  top: 12px; left: 12px;
  padding: 5px 11px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(2px);
}
.card__badge--featured { background: var(--gold); }
.card__badge--new      { background: var(--teal); }

/* badge khoảng cách (góc dưới phải) */
.card__dist {
  position: absolute;
  bottom: 12px; right: 12px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 11px;
  border-radius: var(--radius-pill);
  background: rgba(26,43,39,.78);
  color: #fff;
  font-size: 12.5px;
  font-weight: 700;
  backdrop-filter: blur(4px);
}
.card__dist svg { display: block; }

.card__body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 6px; }
.card__type {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--teal-dark);
}
.card__title {
  font-size: 16.5px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.28;
  letter-spacing: -.01em;
}
.card__addr {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 13.5px;
  color: var(--muted);
}
.card__addr svg { flex-shrink: 0; }
.card__addr span {
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

.card__foot {
  margin-top: 6px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 10px;
}
.card__price b {
  font-size: 18px;
  font-weight: 800;
  color: var(--ink);
}
.card__price small {
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
}
.card__rating {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}
.card__rating svg { color: var(--star); }
.card__rating small { font-weight: 500; color: var(--muted); }

/* =========================================================
   EMPTY STATE + FOOTER
   ========================================================= */
.empty {
  text-align: center;
  color: var(--muted);
  padding: 60px 20px 80px;
}
.empty svg { color: var(--line); margin-bottom: 14px; }
.empty p { font-size: 15px; line-height: 1.6; }

.footer {
  background: var(--ink);
  color: rgba(255,255,255,.7);
  padding: 40px 16px;
  text-align: center;
}
.footer__inner { max-width: var(--maxw); margin: 0 auto; }
.footer__brand { font-size: 20px; font-weight: 800; color: #fff; }
.footer__brand span { font-weight: 500; opacity: .7; }
.footer__eco { margin-top: 10px; font-size: 14px; }
.footer__eco strong { color: var(--teal); }
.footer__copy { margin-top: 6px; font-size: 13px; opacity: .65; }
.footer__partner { margin-top: 12px; font-size: 13px; }
.footer__partner a { color: #4fd1a0; font-weight: 600; }
.footer__partner a:hover { text-decoration: underline; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (min-width: 600px) {
  .grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}
@media (min-width: 900px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
  .hero { padding-bottom: 64px; }
}
@media (min-width: 1180px) {
  .grid { grid-template-columns: repeat(4, 1fr); }
}

/* mobile nav */
@media (max-width: 560px) {
  .nav__actions { display: none; }
  .nav__burger { display: inline-flex; }
  .hero { min-height: 420px; }
  .toolbar { gap: 10px; }
  .locline { font-size: 13px; padding: 7px 12px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto; }
}

/* =========================================================
   DETAIL PAGE  (detail.html)
   ========================================================= */

/* ---- TOPBAR (solid, không nổi trên hero) ---- */
.topbar {
  position: sticky; top: 0; z-index: 30;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.topbar__inner {
  max-width: var(--maxw); margin: 0 auto;
  height: var(--nav-h); padding: 0 16px;
  display: flex; align-items: center; gap: 12px;
}
.topbar__logo {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 18px; font-weight: 800; color: var(--ink); letter-spacing: -.02em;
}
.topbar__logo .mark { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 9px; background: var(--teal); color: #fff; }
.topbar__logo span { font-weight: 600; opacity: .6; }
.topbar__back {
  display: inline-flex; align-items: center; gap: 6px;
  height: 38px; padding: 0 14px; border-radius: var(--radius-pill);
  border: 1.5px solid var(--line); background: #fff; color: var(--body);
  font-size: 14px; font-weight: 600;
}
.topbar__back:hover { border-color: var(--teal); color: var(--teal-dark); }
.topbar__spacer { flex: 1; }
.iconbtn {
  display: inline-flex; align-items: center; gap: 6px;
  height: 38px; padding: 0 14px; border-radius: var(--radius-pill);
  border: 1.5px solid var(--line); background: #fff; color: var(--body);
  font-size: 14px; font-weight: 600;
}
.iconbtn:hover { background: var(--bg-alt); }
.iconbtn.is-saved { color: #e0245e; border-color: #f4c2cf; background: #fff5f8; }

/* ---- GALLERY (Airbnb 5 ảnh) ---- */
.gallery {
  max-width: var(--maxw); margin: 18px auto 0; padding: 0 16px;
  position: relative;
}
.gallery__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 8px;
  height: 420px;
  border-radius: var(--radius); overflow: hidden;
}
.gallery__cell { position: relative; overflow: hidden; background: var(--bg-alt); cursor: pointer; }
.gallery__cell:first-child { grid-row: 1 / 3; grid-column: 1; }
.gallery__cell img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.gallery__cell:hover img { transform: scale(1.04); }
.gallery__all {
  position: absolute; right: 28px; bottom: 16px;
  display: inline-flex; align-items: center; gap: 7px;
  height: 40px; padding: 0 16px; border-radius: 10px;
  background: #fff; color: var(--ink); border: 1px solid var(--ink);
  font-size: 14px; font-weight: 700; box-shadow: var(--shadow-md);
}
.gallery__all:hover { background: var(--bg-alt); }

/* ---- 2-COLUMN LAYOUT ---- */
.detail {
  max-width: var(--maxw); margin: 0 auto; padding: 28px 16px 60px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}
.detail__main { min-width: 0; }

/* ---- HEADER khối ---- */
.dh__badges { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.tag {
  display: inline-flex; align-items: center; height: 26px; padding: 0 11px;
  border-radius: var(--radius-pill); font-size: 12.5px; font-weight: 700;
}
.tag--type     { background: var(--teal-light); color: var(--teal-darker); }
.tag--featured { background: var(--gold); color: #fff; }
.tag--new      { background: var(--teal); color: #fff; }
.dh__title { font-size: clamp(22px, 4vw, 30px); font-weight: 800; color: var(--ink); letter-spacing: -.02em; line-height: 1.2; }
.dh__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 16px; margin-top: 10px; color: var(--body); font-size: 14.5px; }
.dh__meta .star { display: inline-flex; align-items: center; gap: 5px; font-weight: 700; color: var(--ink); }
.dh__meta .star svg { color: var(--star); }
.dh__meta .dot { color: var(--line); }
.dh__meta .addr { display: inline-flex; align-items: center; gap: 5px; color: var(--muted); }
.dh__meta .dist { display: inline-flex; align-items: center; gap: 5px; color: var(--teal-dark); font-weight: 700; }

/* ---- SECTION chung ---- */
.section { padding: 26px 0; border-top: 1px solid var(--line); }
.section:first-of-type { border-top: none; padding-top: 22px; }
.section__title { font-size: 19px; font-weight: 800; color: var(--ink); margin-bottom: 14px; letter-spacing: -.01em; }
.section__desc { font-size: 15px; line-height: 1.7; color: var(--body); }

/* ---- AMENITIES grid ---- */
.amenities { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 20px; }
.amenity { display: flex; align-items: center; gap: 11px; font-size: 14.5px; color: var(--body); }
.amenity__ic { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 11px; background: var(--teal-tint); color: var(--teal-dark); flex-shrink: 0; }

/* ---- ROOMS ---- */
.rooms { display: flex; flex-direction: column; gap: 14px; }
.room {
  display: flex; gap: 16px; align-items: center;
  border: 1px solid var(--line); border-radius: var(--radius); padding: 16px;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.room.is-selected { border-color: var(--teal); box-shadow: 0 0 0 2px var(--teal-light); }
.room__info { flex: 1; min-width: 0; }
.room__name { font-size: 16px; font-weight: 700; color: var(--ink); }
.room__attrs { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 6px; font-size: 13.5px; color: var(--muted); }
.room__attrs span { display: inline-flex; align-items: center; gap: 5px; }
.room__right { text-align: right; flex-shrink: 0; }
.room__price b { font-size: 17px; font-weight: 800; color: var(--ink); }
.room__price small { display: block; font-size: 12px; color: var(--muted); }
.room__btn {
  margin-top: 8px; height: 38px; padding: 0 16px; border-radius: var(--radius-pill);
  border: 1.5px solid var(--teal); background: #fff; color: var(--teal-dark);
  font-size: 13.5px; font-weight: 700; transition: all .14s ease;
}
.room__btn:hover { background: var(--teal); color: #fff; }
.room.is-selected .room__btn { background: var(--teal); color: #fff; }

/* ---- MAP ---- */
.map-embed { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); height: 320px; }
.map-embed iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ---- REVIEWS ---- */
.reviews { display: grid; grid-template-columns: 1fr; gap: 18px; }
.review { border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.review__head { display: flex; align-items: center; gap: 12px; }
.review__avatar { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; background: var(--teal); color: #fff; font-weight: 800; font-size: 17px; flex-shrink: 0; }
.review__who { line-height: 1.3; }
.review__name { font-weight: 700; color: var(--ink); font-size: 14.5px; }
.review__date { font-size: 12.5px; color: var(--muted); }
.review__stars { margin-left: auto; display: inline-flex; gap: 1px; color: var(--star); }
.review__body { margin-top: 10px; font-size: 14px; line-height: 1.6; color: var(--body); }

/* ---- BOOKING CARD (sticky) ---- */
.booking {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow-md); background: #fff;
}
.booking__price { display: flex; align-items: baseline; gap: 6px; }
.booking__price b { font-size: 26px; font-weight: 800; color: var(--ink); }
.booking__price small { font-size: 14px; color: var(--muted); }
.booking__dates { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-top: 16px; border: 1.5px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; }
.booking__date { padding: 10px 12px; }
.booking__date + .booking__date { border-left: 1.5px solid var(--line); }
.booking__date label { display: block; font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.booking__date input { border: none; outline: none; font-size: 14px; font-weight: 600; color: var(--ink); width: 100%; background: transparent; font-family: inherit; }
.booking__guests {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 10px; padding: 12px; border: 1.5px solid var(--line); border-radius: var(--radius-sm);
}
.booking__guests .lbl { font-size: 13px; font-weight: 700; color: var(--ink); }
.stepper { display: inline-flex; align-items: center; gap: 14px; }
.stepper button {
  width: 32px; height: 32px; border-radius: 50%; border: 1.5px solid var(--line);
  background: #fff; color: var(--teal-dark); font-size: 18px; font-weight: 700; line-height: 1;
  display: grid; place-items: center;
}
.stepper button:hover:not(:disabled) { border-color: var(--teal); }
.stepper button:disabled { opacity: .35; cursor: not-allowed; }
.stepper .val { min-width: 18px; text-align: center; font-weight: 700; color: var(--ink); }

.booking__btn {
  width: 100%; height: 48px; margin-top: 14px; border: none; border-radius: var(--radius-pill);
  background: var(--teal); color: #fff; font-size: 16px; font-weight: 700;
  transition: background .15s ease, transform .12s ease;
}
.booking__btn:hover { background: var(--teal-dark); }
.booking__btn:active { transform: scale(.98); }
.booking__btn--outline { background: #fff; color: var(--teal-dark); border: 1.5px solid var(--teal); height: 44px; font-size: 15px; }
.booking__btn--outline:hover { background: var(--teal-tint); }

.booking__calc { margin-top: 18px; border-top: 1px solid var(--line); padding-top: 14px; display: flex; flex-direction: column; gap: 9px; }
.calc-row { display: flex; justify-content: space-between; font-size: 14px; color: var(--body); }
.calc-row.total { border-top: 1px solid var(--line); padding-top: 11px; margin-top: 3px; font-size: 16px; font-weight: 800; color: var(--ink); }
.booking__dist { margin-top: 14px; display: flex; align-items: center; gap: 7px; font-size: 13px; color: var(--teal-dark); background: var(--teal-tint); padding: 9px 12px; border-radius: var(--radius-sm); }
.booking__note { margin-top: 10px; font-size: 12px; color: var(--muted); text-align: center; }

/* ---- DETAIL responsive: 2 cột trên PC ---- */
@media (min-width: 920px) {
  .detail { grid-template-columns: minmax(0, 1fr) 380px; }
  .amenities { grid-template-columns: repeat(3, 1fr); }
  .reviews { grid-template-columns: repeat(2, 1fr); }
  .detail__aside { position: sticky; top: calc(var(--nav-h) + 16px); align-self: start; }
}

@media (max-width: 640px) {
  .gallery__grid { grid-template-columns: 1fr 1fr; grid-template-rows: 180px 90px; height: auto; }
  .gallery__cell:first-child { grid-row: 1; grid-column: 1 / 3; }
  .gallery__cell:nth-child(4), .gallery__cell:nth-child(5) { display: none; }
  .gallery__all { right: 24px; bottom: 12px; }
  .topbar__logo span { display: none; }
}