/* ============================================================
   Khuyến mãi / chương trình — topbar, popup, hero slider, section cards
   Dùng biến brand từ app.css. Theme đặt qua .promo-theme-*
   ============================================================ */
.promo-theme-gradient { --promo-bg: linear-gradient(100deg,#c257a0,#b0499b 42%,#005bb5); --promo-fg:#fff; --promo-accent:#ffcf5a; }
.promo-theme-pink     { --promo-bg: linear-gradient(100deg,#c257a0,#e578b3);            --promo-fg:#fff; --promo-accent:#ffe08a; }
.promo-theme-blue     { --promo-bg: linear-gradient(100deg,#005bb5,#3b93d8);            --promo-fg:#fff; --promo-accent:#ffcf5a; }
.promo-theme-amber    { --promo-bg: linear-gradient(100deg,#ff9d3c,#ffc94d);            --promo-fg:#3a2c1e; --promo-accent:#c257a0; }
.promo-theme-dark     { --promo-bg: linear-gradient(100deg,#241a12,#3a2c1e);            --promo-fg:#fff; --promo-accent:#ffcf5a; }

/* ---------- Topbar ---------- */
.promo-topbar { position: relative; background: var(--promo-bg); color: var(--promo-fg); }
.promo-topbar.is-hidden { display: none; }
.promo-topbar-inner {
    display: flex; align-items: center; justify-content: center; gap: 14px;
    min-height: 46px; padding: 8px 44px 8px 20px; flex-wrap: wrap; font-size: 14px;
}
.promo-topbar .pt-badge {
    background: var(--promo-accent); color: #3a2c1e; font-family: var(--font-label); font-weight: 800;
    font-size: 11px; padding: 2px 9px; border-radius: 999px; margin-right: 8px;
}
.promo-topbar .pt-text b { font-family: var(--font-label); font-weight: 700; }
.promo-topbar .pt-sub { opacity: .92; margin-left: 6px; }
.promo-topbar .pt-countdown {
    font-family: var(--font-label); font-weight: 700; font-variant-numeric: tabular-nums;
    background: rgba(255,255,255,.20); padding: 3px 11px; border-radius: 999px; white-space: nowrap;
}
.promo-theme-amber .pt-countdown { background: rgba(58,44,30,.14); }
.promo-topbar .pt-cta {
    color: var(--promo-fg); font-family: var(--font-label); font-weight: 700;
    text-decoration: underline; text-underline-offset: 3px; white-space: nowrap;
}
.promo-topbar .pt-close {
    position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
    background: none; border: 0; color: var(--promo-fg); cursor: pointer; font-size: 20px; opacity: .8; line-height: 1;
}
.promo-topbar .pt-close:hover { opacity: 1; }

/* ---------- Hero slider ---------- */
.promo-slider { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.promo-track { display: flex; transition: transform .5s ease; }
.promo-slide {
    position: relative; min-width: 100%; box-sizing: border-box; min-height: 180px;
    display: flex; align-items: center; padding: 32px 40px; text-decoration: none;
    color: var(--promo-fg); background: var(--promo-bg); background-size: cover; background-position: center;
}
.promo-slide.has-img::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(20,10,20,.62), rgba(20,10,20,.15)); }
.promo-slide .ps-content { position: relative; max-width: 72%; }
.promo-slide .ps-badge { display: inline-block; background: var(--promo-accent); color: #3a2c1e; font-family: var(--font-label); font-weight: 800; font-size: 12px; padding: 3px 12px; border-radius: 999px; }
.promo-slide h3 { font-family: var(--font-display); font-size: 30px; color: var(--promo-fg); margin: 10px 0 6px; }
.promo-slide p { margin: 0; color: var(--promo-fg); opacity: .94; }
.promo-slide .ps-cta { display: inline-flex; align-items: center; gap: 6px; background: #fff; color: var(--pink); font-family: var(--font-label); font-weight: 700; padding: 9px 18px; border-radius: 999px; margin-top: 14px; }
.promo-theme-amber .ps-cta { color: #b45309; }
.promo-dots { position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; z-index: 2; }
.promo-dots button { width: 9px; height: 9px; border-radius: 50%; border: 0; background: rgba(255,255,255,.55); cursor: pointer; padding: 0; transition: width .2s; }
.promo-dots button.active { background: #fff; width: 24px; border-radius: 6px; }

/* countdown pill dùng chung cho slider/section/popup */
.ps-countdown, .pc-countdown, .pp-countdown {
    display: inline-flex; gap: 6px; margin-top: 12px; font-family: var(--font-label); font-weight: 800;
    font-variant-numeric: tabular-nums;
}
.ps-countdown span, .pc-countdown span, .pp-countdown span {
    background: rgba(255,255,255,.22); padding: 5px 9px; border-radius: 8px; min-width: 40px; text-align: center; font-size: 15px;
}
.pc-countdown span { background: var(--pink-050); color: var(--pink); }
.pp-countdown { justify-content: center; }
.pp-countdown span { background: var(--pink-050); color: var(--pink); }
.ps-countdown span small, .pc-countdown span small, .pp-countdown span small { display: block; font-size: 9px; font-weight: 600; opacity: .8; }

/* ---------- Section: cards chương trình ---------- */
.promo-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.promo-card {
    border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column;
    background: var(--promo-bg); color: var(--promo-fg); box-shadow: var(--shadow-sm);
    transition: transform .2s ease, box-shadow .2s ease;
}
.promo-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.promo-card .pc-media img { width: 100%; height: 160px; object-fit: cover; display: block; }
.promo-card .pc-body { padding: 22px; flex: 1; display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.promo-card .pc-badge { background: var(--promo-accent); color: #3a2c1e; font-family: var(--font-label); font-weight: 800; font-size: 12px; padding: 3px 12px; border-radius: 999px; }
.promo-card h3 { font-family: var(--font-display); font-size: 22px; color: var(--promo-fg); margin: 2px 0; }
.promo-card p { margin: 0; color: var(--promo-fg); opacity: .92; font-size: 14.5px; }
.promo-card .btn-primary { margin-top: auto; background: #fff; color: var(--pink); box-shadow: none; }
.promo-theme-amber .promo-card .btn-primary, .promo-card.promo-theme-amber .btn-primary { color: #b45309; }

/* ---------- Popup ---------- */
.promo-popup-overlay { position: fixed; inset: 0; background: rgba(30,20,15,.62); z-index: 1000; display: grid; place-items: center; padding: 20px; opacity: 0; transition: opacity .25s; }
/* Quan trọng: khi ẩn thì KHÔNG chiếm màn hình (nếu không sẽ nuốt hết click dù trong suốt) */
.promo-popup-overlay[hidden] { display: none !important; }
.promo-popup-overlay:not(.show) { pointer-events: none; }
.promo-popup-overlay.show { opacity: 1; pointer-events: auto; }
.promo-popup { position: relative; width: 100%; max-width: 420px; background: #fff; border-radius: 24px; overflow: hidden; box-shadow: 0 30px 80px rgba(0,0,0,.4); transform: translateY(14px) scale(.97); transition: transform .28s; }
.promo-popup-overlay.show .promo-popup { transform: none; }
.promo-popup .pp-media img { width: 100%; height: 200px; object-fit: cover; display: block; }
.promo-popup .pp-mascot { width: 128px; margin: 20px auto 0; display: block; }
.promo-popup .pp-body { padding: 18px 26px 28px; text-align: center; }
.promo-popup .pp-badge { display: inline-block; background: var(--promo-accent, var(--amber)); color: #3a2c1e; font-family: var(--font-label); font-weight: 800; font-size: 12px; padding: 3px 12px; border-radius: 999px; }
.promo-popup h3 { font-family: var(--font-display); font-size: 25px; color: var(--pink); margin: 8px 0 6px; }
.promo-popup p { color: var(--ink-700); margin: 0 0 14px; }
.promo-popup .btn { margin-top: 6px; }
.promo-popup .pp-close { position: absolute; top: 12px; right: 12px; z-index: 3; background: rgba(255,255,255,.92); border: 0; width: 34px; height: 34px; border-radius: 50%; cursor: pointer; font-size: 18px; color: #3a2c1e; display: grid; place-items: center; box-shadow: 0 2px 8px rgba(0,0,0,.15); }

@media (max-width: 768px) {
    .promo-cards { grid-template-columns: 1fr; }
    .promo-slide { padding: 24px 22px; min-height: 150px; }
    .promo-slide h3 { font-size: 23px; }
    .promo-slide .ps-content { max-width: 100%; }
    .promo-topbar .pt-sub { display: none; }
    .promo-topbar-inner { font-size: 13px; }
}