/* =========================================================
   PREMIUM MONOCHROME: FINAL FIXED VERSION
   ========================================================= */

:root {
  --bg: #f2f2f2;
  --app-bg: #ffffff;
  --text: #000000;
  --border-color: #e5e5e5;
  --accent: #FFC107; /* Gold */
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* ===== LAYOUT ===== */
.stage { 
  min-height: 100vh; 
  display: flex; justify-content: center; 
  background: #f2f2f2;
}

.app {
  max-width: 480px; width: 100%;
  background: var(--app-bg);
  border-left: 1px solid #ddd;
  border-right: 1px solid #ddd;
  min-height: 100vh;
  position: relative; overflow: hidden;
}

/* ===== TYPOGRAPHY ===== */
.h2 {
  font-size: 20px; font-weight: 900; text-transform: uppercase;
  margin: 0 0 20px; padding-left: 20px; border-left: 5px solid #000;
  line-height: 1; letter-spacing: -0.02em;
}

/* ===== TOPBAR ===== */
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 20px; background: #fff; border-bottom: 1px solid var(--border-color);
}
.brand .logo-text { font-weight: 900; font-size: 22px; letter-spacing: -0.05em; text-transform: uppercase; color: #000; }

.top-promo {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--accent); color: #000;
  padding: 8px 12px; border-radius: 6px;
  font-size: 11px; font-weight: 900; text-transform: uppercase;
  letter-spacing: 0.5px; line-height: 1;
  box-shadow: 0 4px 12px rgba(255, 193, 7, 0.4);
  animation: pulse-gold-badge 2s infinite;
}
@keyframes pulse-gold-badge {
  0% { box-shadow: 0 0 0 0 rgba(255, 193, 7, 0.7); }
  70% { box-shadow: 0 0 0 6px rgba(255, 193, 7, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 193, 7, 0); }
}

/* ===== HERO SECTION ===== */
.hero { padding: 0; position: relative; }
.hero-card { background: #fff; position: relative; }

.slider-track {
  list-style: none; margin: 0; padding: 0;
  display: flex; overflow-x: auto; 
  scroll-snap-type: x mandatory; scrollbar-width: none;
}
.slider-track::-webkit-scrollbar { display: none; }

.slide {
  flex: 0 0 100%; scroll-snap-align: center; 
  position: relative; background: #f4f4f4;
}
.slide img { width: 100%; height: auto; display: block; object-fit: cover; }

.hero-controls {
  position: absolute; bottom: 20px; left: 20px; right: 20px;
  display: flex; justify-content: space-between; align-items: center; z-index: 10; 
}
.hero-controls .slider-btn {
  width: 44px; height: 44px; background: #fff; border: 1px solid #000;
  color: #000; cursor: pointer; display: flex; align-items: center; justify-content: center;
  padding: 0; transition: background 0.2s;
}
.hero-controls .slider-btn:active { background: #eee; }

.hero-tabs {
  background: #000; color: #fff; height: 44px;
  padding: 0 16px; display: flex; align-items: center; justify-content: center; gap: 10px;
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
  flex-grow: 1; margin: 0 10px;
}

/* ===== AFTER HERO ===== */
.after-hero { padding: 30px 20px; }

.hero-title {
  font-size: 26px; line-height: 1.1; font-weight: 900;
  text-transform: uppercase; margin: 0 0 20px; letter-spacing: -0.02em;
}
.badge-qty {
  display: inline-block; background: #000; color: #fff;
  font-size: 10px; padding: 4px 8px; vertical-align: middle;
  text-transform: uppercase; letter-spacing: 1px; margin-left: 8px;
}

.deal-box {
  border-top: 1px solid #000; border-bottom: 1px solid #000;
  padding: 12px 0; margin: 20px 0;
  font-size: 12px; font-weight: 600; text-transform: uppercase;
  display: flex; justify-content: center; letter-spacing: 0.05em; text-align: center;
}

.timer.ua {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px;
  background: #000; border: 1px solid #000; margin-bottom: 30px;
}
.timer.ua .cell {
  background: #fff; height: 70px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.timer.ua .cell b { font-size: 24px; font-weight: 800; color: #000; line-height: 1; }
.timer.ua .cell span { font-size: 9px; text-transform: uppercase; color: #888; margin-top: 4px; }

.price-ua {
  display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 30px;
}
.price-ua .label { font-size: 10px; text-transform: uppercase; color: #888; letter-spacing: 1px; margin-bottom: 4px; }
.price-ua .old { font-size: 18px; color: #aaa; text-decoration: line-through; }
.price-ua .now { font-size: 42px; color: #000; font-weight: 900; line-height: 1; }

/* ===== SECTION: QUALITY ===== */
.section { padding: 0 20px 40px; }

.col-proof { border: 1px solid #000; background: #fff; margin-top: 10px; }
.col-proof__head { background: #000; padding: 15px 20px; border-bottom: 1px solid #000; }
.col-proof__title { color: #fff; font-size: 14px; font-weight: 800; text-transform: uppercase; letter-spacing: 1px; margin: 0; }
.col-proof__body { padding: 20px; }
.col-proof__list { padding-left: 20px; margin: 0 0 20px 0; list-style-type: disc; }
.col-proof__item { margin-bottom: 12px; font-size: 14px; line-height: 1.5; color: #000; }
.col-proof__item strong { font-weight: 800; }
.col-proof__badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; padding-top: 20px; border-top: 1px solid #eee; }
.col-badge {
  display: inline-block; font-size: 10px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.5px; padding: 8px 12px; border: 1px solid #000; background: #fff; color: #000;
}
.col-badge--gold { background: #000; color: #fff; border-color: #000; }

/* ===== BRAND FILTER ===== */
.brand-section { padding-top: 30px; padding-bottom: 10px; border-top: 8px solid #f2f2f2; margin-top: 20px; }
.brand-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 15px; }
.brand-hint { font-size: 11px; color: #888; text-transform: uppercase; letter-spacing: 0.5px; }
.brand-tabs { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 10px; scrollbar-width: none; }
.brand-tabs::-webkit-scrollbar { display: none; }
.brand-tab {
  flex: 0 0 auto; padding: 10px 18px; background: #f4f4f4; border: 1px solid #e5e5e5; color: #666;
  font-size: 13px; font-weight: 700; text-transform: uppercase; cursor: pointer; border-radius: 4px; transition: all 0.2s ease;
}
.brand-tab.is-active { background: #000; border-color: #000; color: #fff; box-shadow: 0 4px 10px rgba(0,0,0,0.2); }
.pcard-section.is-hidden { display: none !important; }

/* ===== PRODUCT CARD ===== */
.pcard { border: 1px solid #000; overflow: hidden; margin-bottom: 30px; }
.pcard-slider { position: relative; }
.pcard-slider .slider-track { height: auto; background: #f4f4f4; }

.pcard-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 40px; height: 40px; border-radius: 50%;
  background: #fff; border: 1px solid #000;
  display: flex; align-items: center; justify-content: center; z-index: 5; cursor: pointer; opacity: 0.9;
}
.pcard-nav.prev { left: 10px; }
.pcard-nav.next { right: 10px; }

.pcard-infobar {
  border-top: 1px solid #000; border-bottom: 1px solid #000;
  padding: 10px 15px; display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; font-weight: 700; text-transform: uppercase; background: #f8f8f8;
}
.pcard-stars5 { color: #000; letter-spacing: 2px; }

.pcard-row { padding: 20px; }
.pcard-price-center__now { font-size: 28px; font-weight: 900; color: #000; }
.pcard-price-center__oldline { font-size: 16px; color: #999; text-decoration: line-through; }

.pcard-promo-hint {
  background: #000 !important; color: #fff !important;
  border: 2px solid var(--accent); border-radius: 8px; padding: 10px 12px !important; margin: 12px 0 !important;
  font-size: 12px; text-align: center; box-shadow: 0 4px 12px rgba(255, 193, 7, 0.25);
  position: relative; overflow: hidden;
}
.pcard-promo-hint b { color: var(--accent); font-weight: 900; text-transform: uppercase; letter-spacing: 0.5px; }
.pcard-promo-hint::before {
    content: ''; position: absolute; top: 0; left: -150%; width: 100%; height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shine-small 3s infinite linear;
}
@keyframes shine-small { 0% { left: -150%; } 30% { left: 150%; } 100% { left: 150%; } }

.pcard-specBlock { margin-top: 15px; }
.pcard-tabs--stack { display: flex; flex-direction: column; gap: 8px; }
.pcard-tab { border: 1px solid #ddd; padding: 10px; font-size: 12px; font-weight: 600; text-transform: uppercase; }
.pcard-bottom { padding: 0 20px 20px; }

/* ===== DETAILS ===== */
.benefits-grid { display: grid; gap: 20px; padding: 0 20px; }
.benefit--pro { border: none; padding: 0; }
.b-media .b-img { height: 250px; background: #eee; width: 100%; }
.b-media .b-img img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(100%); }
.b-head { margin-top: 15px; border-left: 2px solid #000; padding-left: 15px; }
.b-title { margin: 0; font-size: 16px; font-weight: 800; text-transform: uppercase; }
.b-badges { margin-top: 8px; display: flex; gap: 6px; }
.badge { font-size: 10px; border: 1px solid #000; padding: 4px 6px; text-transform: uppercase; }
.b-desc { margin-top: 10px; font-size: 14px; line-height: 1.5; color: #333; }

/* ===== Size Table ===== */
.size-table-card { margin: 0 20px; border: 1px solid #000; border-radius: 0; }
.sizes--minimal { width: 100%; border-collapse: collapse; text-align: left; }
.sizes--minimal th, .sizes--minimal td { padding: 12px 15px; border-bottom: 1px solid #eee; font-size: 13px; }
.sizes--minimal thead th { background: #000; color: #fff; text-transform: uppercase; border-bottom: none; }
.size-help { margin: 15px 20px; padding: 15px; background: #f9f9f9; font-size: 13px; border: 1px solid #ddd; }

/* ===== Reviews ===== */
.reviews--social { display: grid; gap: 20px; padding: 0 20px 40px; }
.rev--post { padding: 0; border: none; border-bottom: 1px solid #eee; padding-bottom: 20px; }
.rev-head--social { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.av-img { width: 40px; height: 40px; filter: grayscale(100%); background: #ccc; border-radius: 50%; object-fit: cover; }
.rev-name { font-size: 14px; text-transform: uppercase; }
.rev-sub { font-size: 11px; color: #888; text-transform: uppercase; }
.rev-badge { margin-left: auto; font-size: 12px; font-weight: 700; }
.rev-text { font-size: 14px; line-height: 1.4; margin-bottom: 10px; }
.rev-media { display: flex; gap: 5px; }
.rev-photo { width: 80px; height: 80px; object-fit: cover; filter: grayscale(20%); }

/* ===== Shipping ===== */
.ship-cards { display: grid; gap: -1px; padding: 0 20px; }
.ship-card { display: flex; align-items: center; padding: 15px; border: 1px solid #ddd; background: #fff; }
.ship-body b { display: block; font-size: 14px; text-transform: uppercase; margin-bottom: 4px; }
.ship-body .muted { font-size: 12px; color: #666; }

/* ===== FORM ===== */
.form-box { margin: 0 20px; border: 1px solid #000; background: #fff; border-radius: 0; }
.form-box__inner { padding: 30px 20px; }
.form-title { text-align: center; font-size: 20px; font-weight: 800; text-transform: uppercase; margin-bottom: 10px; }
.form-subtitle { text-align: center; font-size: 12px; color: #666; margin-bottom: 20px; }

.input-wrap { display: block; margin-bottom: 0; position: relative; }
.form-inputs { display: flex; flex-direction: column; gap: 15px; }

.input {
  width: 100%; height: 56px; padding: 0 15px; border: 1px solid #ccc;
  border-radius: 0; background: #f9f9f9; font-size: 16px; color: #000;
  appearance: none; -webkit-appearance: none; box-shadow: none;
}
.input:focus { outline: none; border-color: #000; background: #fff; }
.select-wrap::after {
  content: ""; position: absolute; right: 20px; top: 50%;
  border: 5px solid transparent; border-top-color: #000; margin-top: -2px; pointer-events: none;
}

.product-select-group { position: relative; transition: all 0.3s ease; }
.select-group-title {
  display: block; font-size: 11px; font-weight: 800; text-transform: uppercase;
  color: #6b7280; margin-bottom: 8px; letter-spacing: 0.05em; padding-left: 4px;
}
.second-product-box {
  display: none; background: #f3f4f6; border: 1px dashed #d1d5db;
  border-radius: 12px; padding: 16px; margin-top: 8px; animation: slideDown 0.3s ease-out;
}
@keyframes slideDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
.second-product-label { display: flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 800; text-transform: uppercase; color: #000; margin-bottom: 10px; }

/* Buttons */
.btn {
  width: 100%; height: 56px; display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 800; text-transform: uppercase; letter-spacing: 1px;
  text-decoration: none; cursor: pointer; border-radius: 0; border: 1px solid transparent; transition: all 0.2s;
}
.btn.primary { background: #000; color: #fff; border-color: #000; }
.btn.primary:hover { background: #fff; color: #000; }
.btn-block { width: 100%; }

.stock-note { text-align: center; font-size: 11px; margin-top: 10px; text-transform: uppercase; color: #666; }
.footer { background: #000; color: #fff; text-align: center; font-size: 10px; padding: 30px 20px; text-transform: uppercase; letter-spacing: 1px; }

/* =========================================================
   OFFER SELECTOR (FIXED: RADIO CHECKMARKS & LAYOUT)
   ========================================================= */
.offer-stack { display: flex; flex-direction: column; gap: 15px; margin-bottom: 24px; }
.offer-item { position: relative; display: block; cursor: pointer; -webkit-tap-highlight-color: transparent; }
.offer-item input { position: absolute; opacity: 0; width: 0; height: 0; }

/* --- 1. PROMO CARD (BLACK) --- */
.offer-item.promo .offer-item__body {
  background: #000; color: #fff;
  border: 3px solid var(--accent); border-radius: 12px;
  padding: 18px 20px; display: flex; align-items: center; justify-content: space-between;
  gap: 15px; box-shadow: 0 10px 30px rgba(0,0,0,0.4);
  position: relative; overflow: hidden; transition: transform 0.2s;
}
.offer-item.promo:active .offer-item__body { transform: scale(0.98); }
.offer-item.promo .offer-item__body::before {
    content: ''; position: absolute; top: 0; left: -150%; width: 100%; height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shine-effect 3s infinite linear;
}
@keyframes shine-effect { 0% { left: -150%; } 20% { left: 150%; } 100% { left: 150%; } }

.offer-left { display: flex; flex-direction: column; gap: 6px; flex: 1; }
.offer-badges { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 2px; }
.offer-badge-hit { background: var(--accent); color: #000; font-size: 10px; font-weight: 900; padding: 3px 6px; border-radius: 4px; text-transform: uppercase; }
.offer-badge-free { background: #22c55e; color: #fff; font-size: 10px; font-weight: 800; padding: 3px 6px; border-radius: 4px; text-transform: uppercase; display: inline-flex; align-items: center; gap: 3px; }
.offer-title-big { font-size: 16px; font-weight: 900; margin-top: 4px; }
.offer-right { text-align: right; flex-shrink: 0; }
.offer-price-box { display: flex; flex-direction: column; align-items: flex-end; }
.old-price-small { font-size: 14px; color: #aaa; text-decoration: line-through; margin-bottom: 2px; }
.new-price-big { font-size: 32px; font-weight: 900; line-height: 1; color: var(--accent); text-shadow: 0 2px 10px rgba(255, 193, 7, 0.3); }

/* --- 2. STANDARD CARD (GRAY) --- */
.offer-item.standard .offer-item__body {
  background: #f9fafb; border: 1px solid #e5e7eb; border-radius: 12px;
  padding: 14px 18px; display: flex; align-items: center; justify-content: space-between;
  color: #6b7280; gap: 10px;
}
/* Стан Active для Standard */
.offer-item.standard input:checked + .offer-item__body {
  background: #fff; border-color: #000; color: #000; box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
.standard-title { font-size: 13px; font-weight: 700; text-transform: uppercase; }

/* FIX: Ціна в один рядок */
.standard-price { 
  font-size: 16px; font-weight: 800; 
  white-space: nowrap; margin-left: auto; margin-right: 15px; 
}

/* --- 3. CHECKBOX VISUAL (FIXED) --- */
.offer-check-visual {
  width: 24px; height: 24px; border-radius: 50%;
  border: 2px solid; 
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: all 0.2s;
  background: transparent;
}

/* ГАЛОЧКА (SVG) ПОВНІСТЮ ПРИХОВАНА ЗА ЗАМОВЧУВАННЯМ */
.offer-check-visual svg { 
  display: none !important;
}

/* ГАЛОЧКА З'ЯВЛЯЄТЬСЯ ТІЛЬКИ ПРИ ВИБОРІ */
.offer-item input:checked + .offer-item__body .offer-check-visual svg { 
  display: block !important;
}

/* Стилі бордера для неактивних станів */
.offer-item.promo .offer-check-visual { border-color: rgba(255,255,255,0.3); }
.offer-item.standard .offer-check-visual { border-color: #d1d5db; }

/* Стилі для АКТИВНИХ станів (Фон кружка) */
.offer-item.promo input:checked + .offer-item__body .offer-check-visual {
  background: var(--accent); border-color: var(--accent); color: #000;
  box-shadow: 0 0 10px rgba(255, 193, 7, 0.5);
}
.offer-item.standard input:checked + .offer-item__body .offer-check-visual {
  background: #000; border-color: #000; color: #fff;
}