/* ===== OK MART - OFFERS PAGE STYLES ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --primary: #2ecc71;
  --primary-dark: #27ae60;
  --primary-light: #e8f8ef;
  --bg: #f8fafc;
  --card: #ffffff;
  --text: #1a1e2b;
  --muted: #6b7280;
  --border: #e5e7eb;
  --shadow-sm: 0 2px 8px rgba(0,0,0,.04);
  --shadow-md: 0 8px 24px rgba(0,0,0,.06);
  --radius: 16px;
  --transition: all .2s;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.app-container { max-width: 480px; margin: 0 auto; position: relative; min-height: 100vh; }

/* ===== HEADER ===== */
.offers-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.95); backdrop-filter: blur(10px);
  padding: 12px 16px; border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; }
.back-btn {
  width: 38px; height: 38px; border-radius: 50%; background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  text-decoration: none; font-size: 1.3rem; font-weight: 600; color: var(--text);
}
.back-btn:active { background: var(--border); transform: scale(.92); }
.header-title { font-size: 1.2rem; font-weight: 700; }

/* ===== MAIN ===== */
.offers-main { padding: 0 14px 100px; }

/* ===== BANNER CAROUSEL ===== */
.banner-carousel {
  margin: 12px 0; border-radius: 20px; overflow: hidden;
  position: relative; box-shadow: var(--shadow-sm);
}
.banner-track { display: flex; transition: transform .5s ease; }
.banner-slide { flex: 0 0 100%; min-width: 100%; }
.banner-slide a { display: block; }
.banner-slide img { width: 100%; height: 150px; object-fit: cover; display: block; }
.banner-dots { position: absolute; bottom: 10px; right: 14px; display: flex; gap: 6px; }
.banner-dot { width: 6px; height: 6px; border-radius: 50%; background: rgba(255,255,255,.5); cursor: pointer; transition: var(--transition); }
.banner-dot.active { background: white; width: 18px; border-radius: 10px; }

/* ===== HERO PROMO ===== */
.hero-promo {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 20px; padding: 18px; margin: 12px 0;
  box-shadow: 0 8px 20px rgba(46,204,113,.25);
}
.promo-content { display: flex; align-items: center; justify-content: center; gap: 10px; color: white; }
.promo-icon { font-size: 1.8rem; }
.promo-text { text-align: center; }
.promo-text h2 { font-size: 1.2rem; font-weight: 700; margin-bottom: 4px; }
.promo-text p { font-size: .85rem; opacity: .95; }
.promo-text strong { background: rgba(255,255,255,.2); padding: 2px 8px; border-radius: 20px; }

/* ===== COUPONS SECTION ===== */
.coupons-section { margin: 20px 0; }
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.section-header h2 { font-size: 1.1rem; font-weight: 700; }
.section-badge { background: var(--primary-light); color: var(--primary-dark); padding: 4px 12px; border-radius: 20px; font-size: .7rem; font-weight: 600; }

.coupons-list { display: flex; flex-direction: column; gap: 12px; }

.coupon-card {
  background: var(--card); border-radius: var(--radius); padding: 18px;
  box-shadow: var(--shadow-sm); border: 1px solid var(--border);
  position: relative; overflow: hidden;
  animation: fadeIn .3s ease;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.coupon-card::before {
  content: ''; position: absolute; top: -10px; left: -10px;
  width: 60px; height: 60px; background: var(--primary-light);
  border-radius: 50%; opacity: .5;
}

.coupon-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; position: relative; z-index: 1; }
.coupon-code-display {
  font-weight: 800; font-family: monospace; font-size: 1.3rem; color: var(--primary-dark);
  background: var(--primary-light); padding: 4px 14px; border-radius: 8px;
  border: 2px dashed var(--primary); letter-spacing: 1px;
}
.coupon-type-badge {
  background: #fef3c7; color: #92400e; padding: 4px 10px;
  border-radius: 20px; font-size: .65rem; font-weight: 600;
}

.coupon-description { font-size: .95rem; font-weight: 500; margin-bottom: 8px; position: relative; z-index: 1; }
.coupon-details { display: flex; gap: 16px; margin-bottom: 14px; position: relative; z-index: 1; }
.coupon-detail-item { display: flex; align-items: center; gap: 4px; font-size: .8rem; color: var(--muted); }

.coupon-actions { display: flex; gap: 10px; position: relative; z-index: 1; }
.copy-coupon-btn {
  flex: 1; padding: 10px; background: var(--primary); color: white;
  border: none; border-radius: 12px; font-weight: 600; cursor: pointer; transition: var(--transition);
}
.copy-coupon-btn:active { background: var(--primary-dark); transform: scale(.96); }
.copy-coupon-btn.copied { background: #10b981; }
.apply-btn {
  padding: 10px 16px; background: var(--bg); border: 1.5px solid var(--border);
  border-radius: 12px; font-weight: 600; font-size: .85rem; cursor: pointer;
  text-decoration: none; color: var(--text); transition: var(--transition);
}
.apply-btn:active { background: var(--primary-light); border-color: var(--primary); }

/* ===== DEALS SECTION ===== */
.deals-section { margin: 20px 0; }
.deals-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.deal-card {
  background: var(--card); border-radius: var(--radius); padding: 14px 10px;
  text-align: center; box-shadow: var(--shadow-sm); border: 1px solid var(--border);
}
.deal-card.static { background: linear-gradient(135deg, #fff8e7, #fff3cd); border-color: #f59e0b; }
.deal-icon { font-size: 2rem; display: block; margin-bottom: 6px; }
.deal-info h3 { font-size: .8rem; font-weight: 700; margin-bottom: 2px; }
.deal-info p { font-size: .7rem; color: var(--muted); }
.deal-tag {
  display: inline-block; margin-top: 8px; background: var(--primary); color: white;
  padding: 2px 10px; border-radius: 20px; font-size: .6rem; font-weight: 600;
}

/* ===== HOW TO USE ===== */
.how-to-use {
  background: var(--card); border-radius: var(--radius); padding: 18px;
  margin: 20px 0; box-shadow: var(--shadow-sm);
}
.how-to-use h3 { font-size: 1rem; font-weight: 700; margin-bottom: 14px; }
.steps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.step { display: flex; align-items: center; gap: 8px; font-size: .8rem; color: var(--muted); }
.step-num {
  width: 28px; height: 28px; background: var(--primary); color: white;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .8rem; flex-shrink: 0;
}

/* ===== LOADING ===== */
.loading-skeleton { display: flex; flex-direction: column; gap: 12px; }
.skeleton-coupon {
  height: 140px; background: linear-gradient(90deg,#f0f0f0 25%,#e0e0e0 50%,#f0f0f0 75%);
  background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: var(--radius);
}
@keyframes shimmer { 0%{background-position:200% 0} 100%{background-position:-200% 0} }

/* ===== BOTTOM NAV ===== */
.bottom-nav {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: rgba(255,255,255,.95); backdrop-filter: blur(10px);
  border-top: 1px solid var(--border); padding: 8px 16px;
  display: flex; justify-content: space-around; z-index: 90;
  max-width: 480px; margin: 0 auto;
}
.nav-item {
  display: flex; flex-direction: column; align-items: center;
  text-decoration: none; color: var(--muted); font-size: .65rem;
  gap: 2px; padding: 6px 12px; border-radius: 40px; transition: var(--transition);
}
.nav-item.active { color: var(--primary); font-weight: 600; background: var(--primary-light); }
.nav-item span:first-child { font-size: 1.1rem; }

/* ===== TOAST ===== */
.toast-message {
  position: fixed; bottom: 100px; left: 50%; transform: translateX(-50%) translateY(100px);
  padding: 12px 24px; border-radius: 40px; font-weight: 500; z-index: 999;
  opacity: 0; transition: all .3s; white-space: nowrap; pointer-events: none;
}
.toast-message.show { transform: translateX(-50%) translateY(0); opacity: 1; }

/* ===== RESPONSIVE ===== */
@media (min-width: 500px) {
  .app-container { max-width: 500px; }
}