/* ============================================================
   components.css — Các thành phần dùng chung
   Header · Footer · Nút · Badge · Avatar · Thẻ phòng
   Khớp thiết kế nhatro.pen. Mobile-first.
   ============================================================ */

/* ===================== NÚT (Button) ===================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: var(--radius-s);
  padding: 12px 20px;
  font-size: 14px; font-weight: 600; line-height: 1; white-space: nowrap;
  border: 1px solid transparent;
  transition: background-color .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.btn--primary { background: var(--primary); color: var(--primary-fg); font-weight: 700; }
.btn--primary:hover { background: var(--primary-hover); }
.btn--gold { background: var(--gold); color: var(--on-gold); font-weight: 700; }
.btn--gold:hover { filter: brightness(.96); }
.btn--ghost { background: var(--card); color: var(--fg); border-color: var(--border); }
.btn--ghost:hover { border-color: var(--muted-fg); }
.btn--sm { padding: 9px 16px; }
.btn--block { width: 100%; }

/* ===================== BADGE trạng thái ===================== */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  border-radius: var(--radius-pill);
  padding: 5px 10px;
  font-size: 12px; font-weight: 600; line-height: 1;
}
.badge__dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.badge--success { background: var(--success-soft); color: var(--success); }
.badge--success .badge__dot { background: var(--success); }
.badge--warning { background: var(--warning-soft); color: var(--warning); }
.badge--warning .badge__dot { background: var(--warning); }
.badge--danger  { background: var(--danger-soft);  color: var(--danger); }
.badge--danger .badge__dot  { background: var(--danger); }
.badge--info    { background: var(--info-soft);    color: var(--info); }
.badge--info .badge__dot    { background: var(--info); }
/* Badge nổi trên ảnh (nền trắng mờ, chữ đậm) */
.badge--overlay { background: rgba(255,255,255,.94); color: var(--fg); box-shadow: var(--shadow-card); }

/* ===================== AVATAR ===================== */
.avatar {
  width: 40px; height: 40px; border-radius: var(--radius-pill);
  background: var(--primary-soft); color: var(--primary);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700; overflow: hidden; flex-shrink: 0;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; }

/* ===================== HEADER ===================== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--card); border-bottom: 1px solid var(--border);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 60px;
}
@media (min-width: 1024px) { .site-header__inner { height: var(--header-h); } }
.site-header__left { display: flex; align-items: center; gap: 24px; }
@media (min-width: 1024px) { .site-header__left { gap: 40px; } }
.brand { display: inline-flex; align-items: center; gap: 8px; }
.brand__logo { height: 30px; width: auto; }
.brand__name { font-size: 18px; font-weight: 800; letter-spacing: .01em; color: var(--fg); }

/* Nav ngang — chỉ hiện trên máy tính */
.nav { display: none; }
@media (min-width: 1024px) {
  .nav { display: flex; align-items: center; gap: 26px; }
  .nav a { font-size: 14px; font-weight: 600; color: var(--muted-fg); transition: color .15s; }
  .nav a:hover, .nav a.is-active { color: var(--fg); }
}
.header-actions { display: flex; align-items: center; gap: 10px; }

.lang-toggle { display: none; }
@media (min-width: 1024px) {
  .lang-toggle {
    display: inline-flex; align-items: center; padding: 2px;
    border: 1px solid var(--border); border-radius: var(--radius-pill);
  }
  .lang-toggle button {
    padding: 5px 11px; font-size: 12px; font-weight: 700; color: var(--muted-fg);
    border-radius: var(--radius-pill);
  }
  .lang-toggle button.is-active { background: var(--primary); color: var(--primary-fg); }
}
/* Link "Đăng nhập" và nút "Nội bộ" — ẩn trên mobile cho gọn */
.link-login { display: none; font-size: 14px; font-weight: 600; color: var(--fg); }
.btn--staff { display: none; gap: 5px; padding: 8px 12px; font-size: 12px; color: var(--muted-fg); }
@media (min-width: 1024px) {
  .link-login { display: inline-block; }
  .btn--staff { display: inline-flex; }
}

/* Nút menu 3 gạch — chỉ hiện trên mobile */
.btn-hamburger {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: var(--radius-s); color: var(--fg);
}
@media (min-width: 1024px) { .btn-hamburger { display: none; } }

/* Menu xổ xuống trên mobile */
.mobile-nav {
  display: none; flex-direction: column; gap: 2px;
  padding: 8px 16px 16px; background: var(--card); border-bottom: 1px solid var(--border);
}
.mobile-nav.is-open { display: flex; }
.mobile-nav a { padding: 12px 8px; font-size: 15px; font-weight: 600; color: var(--fg); border-radius: var(--radius-s); }
.mobile-nav a:hover { background: var(--muted); }
.mobile-nav a.is-active { color: var(--gold-fg); }
.mobile-nav__actions { display: flex; gap: 10px; margin-top: 8px; }
.mobile-nav__actions .btn { flex: 1; }
@media (min-width: 1024px) { .mobile-nav { display: none !important; } }

/* ===================== FOOTER ===================== */
.site-footer { background: var(--primary); color: #fff; }
.site-footer__inner { padding-block: 40px 24px; display: flex; flex-direction: column; gap: 32px; }
@media (min-width: 1024px) { .site-footer__inner { padding-block: 52px 28px; } }
.footer-cols { display: grid; grid-template-columns: 1fr; gap: 32px; }
@media (min-width: 640px)  { .footer-cols { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .footer-cols { grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 24px; } }
.footer-brand__logo { height: 34px; width: auto; margin-bottom: 4px; }
.footer-brand__desc { font-size: 13px; line-height: 1.62; color: #fff; max-width: 400px; }
.footer-social {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 4px;
  padding: 9px 14px; border: 1px solid rgba(255,255,255,.9); border-radius: var(--radius-s);
  font-size: 13px; font-weight: 600; color: #fff;
}
.footer-social:hover { background: rgba(255,255,255,.08); }
.footer-col__title { font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 13px; }
.footer-col a, .footer-col__row { display: block; font-size: 13px; color: #cfcfcf; margin-bottom: 13px; }
.footer-col a:hover { color: #fff; }
.footer-col__row { display: flex; align-items: flex-start; gap: 8px; }
.footer-col__row .ic { color: var(--gold-fg); margin-top: 1px; }
.footer-divider { height: 1px; background: rgba(255,255,255,.29); }
.footer-bottom {
  display: flex; flex-direction: column; gap: 12px;
  font-size: 12px; color: #cfcfcf;
}
@media (min-width: 768px) { .footer-bottom { flex-direction: row; align-items: center; justify-content: space-between; } }
.footer-legal { display: flex; flex-wrap: wrap; gap: 20px; }
.footer-legal a:hover { color: #fff; }

/* ===================== THẺ PHÒNG (RoomCard) ===================== */
.room-card {
  display: flex; flex-direction: column;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-l); overflow: hidden;
  color: inherit; box-shadow: var(--shadow-card);
  transition: box-shadow .18s ease, transform .18s ease;
}
.room-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.room-card__media { position: relative; aspect-ratio: 320 / 190; background: var(--muted); }
.room-card__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.room-card__grad { position: absolute; inset: 0; display: block; }
.room-card__badge { position: absolute; top: 12px; left: 12px; z-index: 1; }
.room-card__fav {
  position: absolute; top: 12px; right: 12px; z-index: 2;
  width: 28px; height: 28px; border-radius: 50%;
  background: rgba(255,255,255,.94); color: var(--muted-fg);
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-card);
}
.room-card__fav.is-active { color: var(--danger); }
.room-card__fav:hover { color: var(--danger); }
.room-card__video {
  position: absolute; bottom: 12px; left: 12px; z-index: 3;
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 8px; border-radius: var(--radius-s);
  background: rgba(20,26,36,.8); color: #fff; font-size: 11px; font-weight: 600;
}
.room-card__body { display: flex; flex-direction: column; gap: 10px; padding: 16px; }
.room-card__price-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.room-card__price { font-size: 20px; font-weight: 700; color: var(--fg); }
.type-tag {
  background: var(--gold-soft); color: var(--gold-fg);
  border-radius: var(--radius-s); padding: 3px 8px; font-size: 11px; font-weight: 600; white-space: nowrap;
}
.room-card__title {
  font-size: 15px; font-weight: 600; color: var(--fg); line-height: 1.35;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.room-card__addr { display: flex; align-items: center; gap: 5px; color: var(--muted-fg); font-size: 13px; }
.room-card__addr .ic { color: var(--muted-fg); }
.room-card__addr span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.room-card__specs { display: flex; align-items: center; gap: 14px; padding-top: 10px; }
.room-card__spec { display: inline-flex; align-items: center; gap: 5px; color: var(--muted-fg); font-size: 13px; font-weight: 500; }

/* ===================== SECTION tiêu đề chung ===================== */
.section { padding-block: 40px; }
@media (min-width: 1024px) { .section { padding-block: 56px; } }
.section--card { background: var(--card); }
.section__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.section__link { font-size: 14px; font-weight: 600; color: var(--muted-fg); }
.section__link:hover { color: var(--fg); }

/* ===================== MODAL / TOAST / CONFIRM (dùng chung) ===================== */
.modal-backdrop { position: fixed; inset: 0; background: rgba(10,15,26,.55); z-index: 100; display: flex; align-items: center; justify-content: center; padding: 16px; opacity: 0; transition: opacity .15s ease; }
.modal-backdrop.is-open { opacity: 1; }
.modal { background: var(--card); border-radius: var(--radius-l); width: 100%; max-width: 480px; max-height: 90vh; overflow: auto; box-shadow: 0 24px 60px rgba(10,15,26,.32); transform: translateY(10px); transition: transform .16s ease; }
.modal-backdrop.is-open .modal { transform: none; }
.modal--wide { max-width: 720px; }
.modal__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; padding: 20px 20px 0; }
.modal__title { font-size: 18px; font-weight: 700; color: var(--fg); }
.modal__sub { font-size: 13px; color: var(--muted-fg); margin-top: 4px; line-height: 1.5; }
.modal__close { flex-shrink: 0; width: 32px; height: 32px; border-radius: var(--radius-s); color: var(--muted-fg); display: inline-flex; align-items: center; justify-content: center; }
.modal__close:hover { background: var(--muted); color: var(--fg); }
.modal__body { padding: 16px 20px; display: flex; flex-direction: column; gap: 14px; }
.modal__foot { padding: 0 20px 20px; display: flex; gap: 10px; justify-content: flex-end; }

/* Trường nhập trong modal */
.mfield { display: flex; flex-direction: column; gap: 6px; }
.mfield__label { font-size: 13px; font-weight: 600; color: var(--fg); }
.mfield input, .mfield select, .mfield textarea {
  width: 100%; border: 1px solid var(--input); border-radius: var(--radius-s);
  padding: 10px 12px; font-size: 14px; color: var(--fg); background: var(--card); font-family: inherit;
}
.mfield input:focus, .mfield select:focus, .mfield textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--gold-soft); }
.mfield textarea { resize: vertical; min-height: 72px; }
.mrow { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 480px) { .mrow { grid-template-columns: 1fr; } }

/* Kết quả tìm kiếm toàn cục */
.search-result { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: var(--radius-s); }
.search-result:hover { background: var(--muted); }
.search-result__ic { width: 34px; height: 34px; border-radius: var(--radius-s); background: var(--muted); color: var(--muted-fg); display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
.search-result__t { font-size: 14px; font-weight: 600; color: var(--fg); }
.search-result__s { font-size: 12px; color: var(--muted-fg); }

/* Toast */
.toast-wrap { position: fixed; top: 16px; right: 16px; z-index: 200; display: flex; flex-direction: column; gap: 8px; }
.toast { background: var(--fg); color: #fff; padding: 12px 16px; border-radius: var(--radius-s); font-size: 14px; font-weight: 500; box-shadow: 0 10px 30px rgba(10,15,26,.24); display: flex; align-items: center; gap: 8px; }
.toast--success { background: var(--success); }
.toast--danger { background: var(--danger); }
.toast--warning { background: var(--warning); }

/* Trạng thái rỗng dùng chung */
.empty-state { text-align: center; padding: 40px 20px; color: var(--muted-fg); }
.empty-state__ic { width: 56px; height: 56px; border-radius: var(--radius-pill); background: var(--muted); color: var(--muted-fg); display: inline-flex; align-items: center; justify-content: center; margin-bottom: 12px; }
.empty-state__t { font-size: 15px; font-weight: 600; color: var(--fg); }
.empty-state__s { font-size: 13px; margin-top: 4px; }

/* ===== Modal Thêm phòng (dùng chung — HT.roomModal) ===== */
.rm-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.rm-chip { border: 1px solid var(--border); background: var(--card); color: var(--muted-fg); font: inherit; font-size: 13px; font-weight: 600; padding: 7px 13px; border-radius: 999px; cursor: pointer; transition: all .15s; }
.rm-chip:hover { color: var(--fg); border-color: var(--muted-fg); }
.rm-chip.is-on { background: var(--gold-soft); color: var(--gold-fg); border-color: var(--gold-fg); }
.rm-drop { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; text-align: center; border: 1.5px dashed var(--border); border-radius: var(--radius-m); padding: 22px 16px; color: var(--muted-fg); cursor: pointer; background: var(--muted); font-size: 13px; font-weight: 600; }
.rm-drop:hover, .rm-drop.is-drag { border-color: var(--gold-fg); color: var(--fg); }
.rm-drop__s { font-size: 11.5px; font-weight: 400; }
.rm-grid { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.rm-thumb { position: relative; width: 72px; height: 72px; border-radius: 8px; overflow: hidden; border: 1px solid var(--border); }
.rm-thumb img { width: 100%; height: 100%; object-fit: cover; }
.rm-thumb button { position: absolute; top: 2px; right: 2px; background: rgba(0,0,0,.6); color: #fff; border: 0; border-radius: 50%; width: 18px; height: 18px; cursor: pointer; font-size: 11px; line-height: 1; }