/* Mibrand – nút gọi nổi kiểu A "Alo xanh lá" + hộp số điện thoại trên máy tính + popup "Nhờ Mibrand gọi lại" (Kha chọn 17/10/2026).
   Chạy cùng assets/nut-noi.js ở mọi trang. Đổi màu nút: sửa --mbn-xanh. */
:root { --mbn-xanh: #16B364; --mbn-xanh-bong: rgba(22,179,100,.55); --mbn-navy: #001489; --mbn-chu: #14183A; --mbn-mo: #5B6285; --mbn-vien: #DCE1F0; }

/* ---------- 33 trang có nút nổi sẵn (#mb-ket-noi-nut): đổi sang nút xanh lá hình điện thoại, sóng lan + rung mạnh ---------- */
#mb-ket-noi-nut.mbn-nut { background-image: none !important; background-color: var(--mbn-xanh) !important; border-color: rgba(255,255,255,.55) !important;
  box-shadow: 0 10px 26px -8px var(--mbn-xanh-bong) !important; position: relative; overflow: visible !important; }
#mb-ket-noi-nut.mbn-nut:hover { box-shadow: 0 16px 32px -10px var(--mbn-xanh-bong) !important; }
#mb-ket-noi .mb-song { display: none !important; }   /* sóng cũ (nhẹ) thay bằng sóng mới */
#mb-ket-noi-nut .mb-icon-mo svg, #mb-ket-noi-nut .mb-icon-dong svg { fill: #fff !important; color: #fff !important; }
#mb-ket-noi-nut .mb-icon-mo svg { width: 26px !important; height: 26px !important; animation: mbnRung 1.2s ease-in-out infinite; transform-origin: 50% 55%; }
#mb-ket-noi-nut[aria-expanded="true"] .mbn-song, #mb-ket-noi-nut[aria-expanded="true"] .mb-icon-mo svg { animation: none; }
#mb-ket-noi-nut[aria-expanded="true"] .mbn-song { display: none; }

/* sóng dùng chung */
.mbn-song { position: absolute; inset: 0; border-radius: 50%; background: var(--mbn-xanh); opacity: .45; z-index: -1; pointer-events: none; animation: mbnSong 1.8s ease-out infinite; }
.mbn-song:nth-child(2) { animation-delay: .6s; } .mbn-song:nth-child(3) { animation-delay: 1.2s; }

/* ---------- Trang chủ, NCTT (chưa có nút nổi): nút nổi riêng, cùng kiểu ---------- */
.mbn-co .noi { display: none !important; }
.mbn { position: fixed; z-index: 60; right: max(20px, env(safe-area-inset-right, 0px)); bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  display: flex; flex-direction: column; align-items: flex-end; gap: 12px; font-family: inherit; }
.mbn-fab { position: relative; z-index: 1; width: 60px; height: 60px; border-radius: 50%; border: 1px solid rgba(255,255,255,.55); cursor: pointer;
  background: var(--mbn-xanh); color: #fff; display: grid; place-items: center; box-shadow: 0 10px 26px -8px var(--mbn-xanh-bong); transition: transform .3s; }
.mbn-fab:hover { transform: translateY(-2px); }
.mbn-fab svg { position: relative; width: 26px; height: 26px; }
.mbn-fab .mbn-i-mo { animation: mbnRung 1.2s ease-in-out infinite; transform-origin: 50% 55%; }
.mbn-fab .mbn-i-dong { display: none; width: 20px; height: 20px; }
.mbn.mo .mbn-fab .mbn-i-mo, .mbn.mo .mbn-song { display: none; }
.mbn.mo .mbn-fab .mbn-i-dong { display: block; }
.mbn-menu { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
.mbn-menu[hidden] { display: none !important; }
.mbn-menu a { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; font-size: 14px; font-weight: 700; line-height: 1.2;
  padding: 11px 16px; border-radius: 999px; background: #fff; color: var(--mbn-navy); border: 1px solid var(--mbn-vien);
  box-shadow: 0 10px 24px -12px rgba(0,20,137,.55); transition: transform .25s; animation: mbnHien .28s ease-out both; }
.mbn-menu a:hover { transform: translateY(-2px); }
.mbn-menu a svg { width: 16px; height: 16px; flex: none; }
.mbn-menu a.mbn-chinh { background: var(--mbn-navy); color: #fff; border-color: transparent; }
.mbn-fab:focus-visible, .mbn-menu a:focus-visible, .mbn-hop button:focus-visible, .mbn-hop a:focus-visible, .mbn-pop button:focus-visible, .mbn-pop input:focus-visible { outline: 3px solid #0868B0; outline-offset: 2px; }
@media (max-width: 767px) { .mbn { right: max(14px, env(safe-area-inset-right, 0px)); bottom: calc(14px + env(safe-area-inset-bottom, 0px)); } .mbn-fab { width: 54px; height: 54px; } }

/* mục "Nhờ Mibrand gọi lại" thêm vào menu nút nổi có sẵn ở 33 trang */
#mb-ket-noi-menu .mbn-them a { cursor: pointer; }

/* ---------- Hộp số điện thoại (máy tính bấm vào link gọi) ---------- */
.mbn-hop { position: fixed; z-index: 2147483000; width: 260px; background: #fff; color: var(--mbn-chu); border: 1px solid var(--mbn-vien); border-radius: 14px;
  padding: 14px 16px; box-shadow: 0 20px 44px -16px rgba(0,20,137,.45); display: grid; gap: 8px; font-family: inherit; animation: mbnHien .2s ease-out both; }
.mbn-hop[hidden] { display: none !important; }
.mbn-hop small { font-size: 12px; color: var(--mbn-mo); line-height: 1.45; }
.mbn-hop strong { font-size: 22px; font-weight: 800; letter-spacing: .02em; font-variant-numeric: tabular-nums; color: var(--mbn-navy); user-select: all; }
.mbn-hop .mbn-hang { display: flex; gap: 8px; }
.mbn-hop .mbn-hang > * { flex: 1; font: inherit; font-size: 13px; font-weight: 700; border-radius: 9px; padding: 8px 10px; text-align: center; text-decoration: none; cursor: pointer; }
.mbn-hop button.mbn-chep { border: 1px solid var(--mbn-vien); background: #fff; color: var(--mbn-chu); }
.mbn-hop a.mbn-zalo { background: #0068FF; color: #fff; border: 0; }
.mbn-hop .mbn-x { position: absolute; top: 6px; right: 8px; border: 0; background: none; font-size: 20px; line-height: 1; color: var(--mbn-mo); cursor: pointer; padding: 4px; }

/* ---------- Popup "Nhờ Mibrand gọi lại" (giống ALO NGAY trên mibrand.vn, dữ liệu vào tab Khách hàng của app) ---------- */
.mbn-nen { position: fixed; inset: 0; z-index: 2147482000; background: rgba(10,14,40,.55); display: grid; place-items: center;
  padding: 16px max(16px, env(safe-area-inset-right, 0px)) 16px max(16px, env(safe-area-inset-left, 0px)); animation: mbnMo .25s ease-out both; }
.mbn-nen[hidden] { display: none !important; }
.mbn-pop { position: relative; width: min(440px, 100%); background: #fff; color: var(--mbn-chu); border-radius: 18px; padding: 28px 26px 22px;
  box-shadow: 0 30px 70px -20px rgba(0,20,137,.55); font-family: inherit; text-align: center; animation: mbnLen .35s cubic-bezier(.2,.8,.3,1) both; }
.mbn-pop .mbn-x { position: absolute; top: 10px; right: 12px; border: 0; background: none; font-size: 24px; line-height: 1; color: var(--mbn-mo); cursor: pointer; padding: 4px 6px; }
.mbn-pop-icon { position: relative; z-index: 0; width: 64px; height: 64px; margin: 0 auto 14px; border-radius: 50%; background: var(--mbn-xanh); color: #fff; display: grid; place-items: center; }
.mbn-pop-icon .mbn-song { animation-name: mbnSongNho; }
.mbn-pop-icon svg { width: 28px; height: 28px; animation: mbnRung 1.2s ease-in-out infinite; transform-origin: 50% 55%; }
.mbn-pop h3 { margin: 0 0 6px; font-size: 21px; line-height: 1.3; font-weight: 800; color: var(--mbn-navy); text-wrap: balance; }
.mbn-pop p { margin: 0 0 16px; font-size: 14.5px; line-height: 1.5; color: var(--mbn-mo); }
.mbn-pop form { display: grid; gap: 10px; text-align: left; }
.mbn-pop label { font-size: 12.5px; font-weight: 700; color: var(--mbn-chu); display: grid; gap: 4px; }
.mbn-pop input { font: inherit; font-size: 16px; padding: 12px 14px; border: 1.5px solid var(--mbn-vien); border-radius: 10px; color: var(--mbn-chu); background: #fff; width: 100%; }
.mbn-pop input:focus { border-color: var(--mbn-xanh); outline: none; }
.mbn-pop .mbn-loi { font-size: 12.5px; color: #C62828; min-height: 0; }
.mbn-pop button[type="submit"] { font: inherit; font-size: 16px; font-weight: 800; color: #fff; background: var(--mbn-xanh); border: 0; border-radius: 10px; padding: 13px 16px; cursor: pointer;
  box-shadow: 0 12px 24px -12px var(--mbn-xanh-bong); }
.mbn-pop button[type="submit"]:disabled { opacity: .7; cursor: default; }
.mbn-pop .mbn-hoac { font-size: 13px; color: var(--mbn-mo); text-align: center; margin-top: 4px; }
.mbn-pop .mbn-hoac a { color: var(--mbn-navy); font-weight: 700; }
.mbn-pop .mbn-cs { font-size: 11.5px; color: var(--mbn-mo); text-align: center; }
.mbn-pop .mbn-cs a { color: inherit; }
.mbn-pop .mbn-xong { display: grid; gap: 8px; }
.mbn-pop .mbn-xong[hidden] { display: none !important; }
@media (max-width: 767px) {
  .mbn-nen { place-items: end center; padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px)); }
  .mbn-pop { padding: 24px 18px 18px; border-radius: 18px; }
  .mbn-pop h3 { font-size: 19px; }
}
/* khi popup gọi lại đã hiện trong lượt xem này: ẩn hộp mời cũ để không có 2 lời mời */
.mbn-da-moi #mb-ket-noi-hop, .mbn-da-moi #mb-ket-noi-hop-gon { display: none !important; }

@keyframes mbnSong { 0% { transform: scale(1); opacity: .5; } 100% { transform: scale(2.1); opacity: 0; } }
@keyframes mbnSongNho { 0% { transform: scale(1); opacity: .45; } 100% { transform: scale(1.5); opacity: 0; } }
@keyframes mbnRung { 0%,100% { transform: rotate(0); } 5% { transform: rotate(-25deg); } 10% { transform: rotate(22deg); } 15% { transform: rotate(-20deg); } 20% { transform: rotate(18deg); } 25% { transform: rotate(-12deg); } 30% { transform: rotate(8deg); } 35%,95% { transform: rotate(0); } }
@keyframes mbnHien { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes mbnMo { from { opacity: 0; } to { opacity: 1; } }
@keyframes mbnLen { from { opacity: 0; transform: translateY(24px) scale(.97); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .mbn-song, .mbn-fab .mbn-i-mo, #mb-ket-noi-nut .mb-icon-mo svg, .mbn-pop-icon svg, .mbn-pop, .mbn-nen, .mbn-hop, .mbn-menu a { animation: none !important; }
}