/* ============================================================
   Woo Flash Sale Campaign MG - Frontend CSS
   Mobile-first, Dark mode support, Shopee/Lazada inspired
   ============================================================ */

:root {
    --fswm-primary: #ff4747;
    --fswm-secondary: #ff7a00;
    --fswm-text: #ffffff;
    --fswm-bg: #fff;
    --fswm-card-bg: #fff;
    --fswm-border: #e5e7eb;
    --fswm-gray: #6b7280;
    --fswm-radius: 8px;
    --fswm-shadow: 0 2px 8px rgba(0,0,0,.08);
    --fswm-shadow-hover: 0 8px 24px rgba(0,0,0,.14);
    --fswm-transition: 0.22s cubic-bezier(.4,0,.2,1);
}

/* ── Dark mode ─────────────────────────────────────────── */
.fswm-dark {
    --fswm-bg: #1a1a2e;
    --fswm-card-bg: #16213e;
    --fswm-border: #2d2d44;
    --fswm-gray: #9ca3af;
    color: #e5e7eb;
}

/* ── Badge ─────────────────────────────────────────────── */
.fswm-badge-wrap {
    position: absolute;
    z-index: 10;
}
.fswm-badge-wrap--top_left     { top: 8px; left: 8px; }
.fswm-badge-wrap--top_right    { top: 8px; right: 8px; }
.fswm-badge-wrap--bottom_left  { bottom: 8px; left: 8px; }
.fswm-badge-wrap--bottom_right { bottom: 8px; right: 8px; }

.fswm-product-badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .5px;
    text-transform: uppercase;
    white-space: nowrap;
    box-shadow: 0 2px 6px rgba(255,71,71,.35);
    animation: fswm-pulse 2s ease-in-out infinite;
}

@keyframes fswm-pulse {
    0%, 100% { transform: scale(1); }
    50%       { transform: scale(1.05); }
}

/* ── Cart badge ─────────────────────────────────────────── */
.fswm-cart-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: 700;
    color: #fff;
    margin-left: 6px;
    vertical-align: middle;
}

/* ── Countdown ──────────────────────────────────────────── */
.fswm-countdown {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px 14px;
    border-radius: var(--fswm-radius);
    background: linear-gradient(135deg, var(--fswm-primary) 0%, var(--fswm-secondary) 100%);
    color: var(--fswm-text);
}

.fswm-countdown__inner {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.fswm-countdown__label {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
}

.fswm-countdown__units {
    display: flex;
    align-items: center;
    gap: 4px;
}

.fswm-countdown__unit {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 40px;
    background: rgba(255,255,255,.18);
    border-radius: 6px;
    padding: 4px 8px;
}

.fswm-countdown__num {
    font-size: 22px;
    font-weight: 800;
    line-height: 1;
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum";
    transition: all 0.2s ease;
}

.fswm-countdown__unit--seconds .fswm-countdown__num {
    color: #ffe066;
}

.fswm-countdown__text {
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: .5px;
    opacity: .85;
    margin-top: 2px;
}

.fswm-countdown__sep {
    font-size: 20px;
    font-weight: 700;
    opacity: .6;
    margin-bottom: 12px;
}

/* ── Product countdown bar (trang single) ────────────────── */
.fswm-product-countdown {
    margin: 16px 0;
    border-radius: var(--fswm-radius);
    overflow: hidden;
    border: 1.5px solid var(--fswm-primary);
}

.fswm-product-countdown__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px 14px;
    background: linear-gradient(135deg, var(--fswm-primary), var(--fswm-secondary));
}

.fswm-product-countdown__flash {
    font-size: 14px;
    font-weight: 700;
    color: #fff;
}

.fswm-product-countdown .fswm-countdown {
    background: none;
    padding: 0;
}

/* ── Progress bar ───────────────────────────────────────── */
.fswm-progress-wrap,
.fswm-progress-loop {
    padding: 8px 14px;
    background: #fff7f7;
    border-top: 1px solid rgba(255,71,71,.1);
}

.fswm-progress {
    height: 8px;
    background: #ffe4e4;
    border-radius: 999px;
    overflow: hidden;
}

.fswm-progress__bar {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--fswm-primary), var(--fswm-secondary));
    transition: width 0.6s ease;
    position: relative;
}

.fswm-progress__bar::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.3), transparent);
    animation: fswm-shimmer 1.5s infinite;
}

@keyframes fswm-shimmer {
    0%   { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.fswm-progress__labels {
    display: flex;
    justify-content: space-between;
    margin-top: 4px;
    font-size: 12px;
    color: var(--fswm-gray);
}

.fswm-progress__hot { color: var(--fswm-primary); font-weight: 700; }

.fswm-progress-loop {
    padding: 6px 0;
    background: transparent;
    border: none;
}

.fswm-progress-loop .fswm-progress__text {
    font-size: 11px;
    color: var(--fswm-primary);
    font-weight: 600;
    margin: 3px 0 0;
}

/* ── Campaign page ─────────────────────────────────────── */
.fswm-campaign-page {
    background: var(--fswm-bg);
}

.fswm-banner {
    width: 100%;
    max-height: 400px;
    overflow: hidden;
}

.fswm-banner__img {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
}

.fswm-campaign-header {
    background: linear-gradient(135deg, var(--fswm-primary) 0%, var(--fswm-secondary) 100%);
    padding: 24px 0;
}

.fswm-campaign-header__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.fswm-campaign-header__title {
    display: flex;
    align-items: center;
    gap: 10px;
}

.fswm-campaign-header__title h1 {
    color: #fff;
    font-size: 26px;
    font-weight: 800;
    margin: 0;
}

.fswm-campaign-header .fswm-countdown {
    background: rgba(255,255,255,.15);
    backdrop-filter: blur(10px);
}

.fswm-lightning { font-size: 1.4em; filter: drop-shadow(0 0 4px rgba(255,200,0,.6)); }

.fswm-products-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 20px;
}

/* ── Load more ─────────────────────────────────────────── */
.fswm-pagination {
    text-align: center;
    margin-top: 32px;
}

.fswm-load-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--fswm-primary), var(--fswm-secondary));
    color: #fff !important;
    font-weight: 700;
    font-size: 15px;
    border: none;
    cursor: pointer;
    transition: transform var(--fswm-transition), box-shadow var(--fswm-transition);
    box-shadow: 0 4px 16px rgba(255,71,71,.3);
}

.fswm-load-more:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255,71,71,.4);
}

.fswm-load-more:disabled { opacity: .7; cursor: wait; }

.fswm-product-count {
    margin-top: 12px;
    color: var(--fswm-gray);
    font-size: 13px;
}

/* ── Skeleton loading ─────────────────────────────────── */
.fswm-skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: fswm-skeleton-wave 1.4s infinite;
    border-radius: var(--fswm-radius);
}

@keyframes fswm-skeleton-wave {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.fswm-skeleton-product {
    padding: 12px;
    border-radius: var(--fswm-radius);
    border: 1px solid var(--fswm-border);
}

.fswm-skeleton-product .fswm-skeleton-img  { height: 200px; margin-bottom: 12px; }
.fswm-skeleton-product .fswm-skeleton-line { height: 14px; margin-bottom: 8px; border-radius: 4px; }
.fswm-skeleton-product .fswm-skeleton-line:last-child { width: 60%; }

/* ── Index page ────────────────────────────────────────── */
.fswm-index-page { max-width: 1200px; margin: 0 auto; padding: 32px 20px; }

.fswm-index-page__header {
    text-align: center;
    margin-bottom: 32px;
}

.fswm-campaigns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.fswm-campaign-card {
    border-radius: 12px;
    overflow: hidden;
    background: var(--fswm-card-bg);
    box-shadow: var(--fswm-shadow);
    text-decoration: none;
    color: inherit;
    transition: transform var(--fswm-transition), box-shadow var(--fswm-transition);
    display: block;
}

.fswm-campaign-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--fswm-shadow-hover);
}

.fswm-campaign-card__banner img {
    width: 100%;
    height: 140px;
    object-fit: cover;
    display: block;
}

.fswm-campaign-card__body { padding: 16px; }

.fswm-campaign-card__title {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.fswm-campaign-card__status--running {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    background: #dcfce7;
    color: #16a34a;
    margin-bottom: 8px;
}

.fswm-campaign-card__cta {
    margin-top: 12px;
    font-weight: 700;
    color: var(--fswm-primary);
}

/* ── Shortcode styles ──────────────────────────────────── */
.fswm-shortcode {
    margin: 24px 0;
    background: var(--fswm-bg);
}

.fswm-shortcode__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding: 14px 20px;
    background: linear-gradient(135deg, var(--fswm-primary), var(--fswm-secondary));
    border-radius: 12px 12px 0 0;
    color: #fff;
}

.fswm-shortcode__header--slider {
    border-radius: 12px;
    margin-bottom: 16px;
}

.fswm-shortcode__title {
    display: flex;
    align-items: center;
    gap: 8px;
}

.fswm-shortcode__title h2,
.fswm-shortcode__title h3 {
    color: #fff;
    margin: 0;
    font-size: 20px;
    font-weight: 800;
}

.fswm-shortcode__see-all {
    color: rgba(255,255,255,.9);
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    white-space: nowrap;
}

.fswm-shortcode__see-all:hover { color: #fff; text-decoration: underline; }

.fswm-shortcode__banner img {
    width: 100%;
    height: auto;
    border-radius: var(--fswm-radius);
    margin-bottom: 16px;
    display: block;
}

.fswm-products-grid { margin-top: 0; }

/* ── Swiper slider overrides ───────────────────────────── */
.fswm-product-slider { padding-bottom: 32px !important; }

.fswm-product-slider .swiper-slide { height: auto; }

.fswm-product-slider .swiper-pagination-bullet-active {
    background: var(--fswm-primary) !important;
}

.fswm-slider-nav { display: flex; gap: 8px; }

.fswm-slider-prev,
.fswm-slider-next {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255,255,255,.2);
    border: none;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--fswm-transition);
}

.fswm-slider-prev:hover,
.fswm-slider-next:hover { background: rgba(255,255,255,.35); }

/* ── Checkout notice ───────────────────────────────────── */
.fswm-checkout-notice {
    background: #fff7ed;
    border-left: 4px solid var(--fswm-primary);
    padding: 12px 16px;
    margin-bottom: 16px;
    border-radius: 0 var(--fswm-radius) var(--fswm-radius) 0;
    font-weight: 600;
}

/* ── Empty state ──────────────────────────────────────── */
.fswm-empty {
    text-align: center;
    padding: 48px 20px;
    color: var(--fswm-gray);
}

/* ── Responsive ───────────────────────────────────────── */
@media (max-width: 768px) {
    .fswm-campaign-header__inner { flex-direction: column; align-items: flex-start; }
    .fswm-campaign-header__title h1 { font-size: 20px; }
    .fswm-countdown__num { font-size: 18px; }
    .fswm-shortcode__header { flex-direction: column; align-items: flex-start; }
    .fswm-campaigns-grid { grid-template-columns: 1fr; }
    .fswm-products-section { padding: 20px 12px; }
}

@media (max-width: 480px) {
    .fswm-countdown__unit { min-width: 34px; padding: 3px 6px; }
    .fswm-countdown__num  { font-size: 16px; }
}