/* =========================================================
   Stayvora Shop — Design System
   Primary: Orange #FF6B00 / Purple #7C3AED / White / Light Gray
   Secondary: Blue #2563EB / Green #16A34A / Yellow #FACC15
   Fonts: Poppins (display), Inter (body)
   ========================================================= */

:root {
  --sv-orange: #FF6B00;
  --sv-orange-light: #FF8A3D;
  --sv-purple: #7C3AED;
  --sv-purple-light: #A78BFA;
  --sv-white: #FFFFFF;
  --sv-gray-50: #F8F9FC;
  --sv-gray-100: #F1F3F9;
  --sv-gray-300: #D9DEEA;
  --sv-gray-600: #667085;
  --sv-gray-900: #1A1B2E;

  --sv-blue: #2563EB;
  --sv-green: #16A34A;
  --sv-yellow: #FACC15;

  --sv-gradient-primary: linear-gradient(135deg, var(--sv-orange) 0%, var(--sv-purple) 100%);
  --sv-gradient-soft: linear-gradient(135deg, rgba(255,107,0,0.10) 0%, rgba(124,58,237,0.10) 100%);

  --sv-radius-sm: 10px;
  --sv-radius-md: 16px;
  --sv-radius-lg: 24px;
  --sv-radius-pill: 999px;

  --sv-shadow-soft: 0 8px 30px rgba(26, 27, 46, 0.08);
  --sv-shadow-hover: 0 16px 40px rgba(124, 58, 237, 0.18);
  --sv-glass-bg: rgba(255, 255, 255, 0.65);
  --sv-glass-border: rgba(255, 255, 255, 0.4);

  --sv-font-display: 'Poppins', sans-serif;
  --sv-font-body: 'Inter', sans-serif;

  --sv-bg: var(--sv-gray-50);
  --sv-surface: var(--sv-white);
  --sv-text: var(--sv-gray-900);
  --sv-text-muted: var(--sv-gray-600);
  --sv-border: var(--sv-gray-300);
}

[data-theme="dark"] {
  --sv-bg: #0F1020;
  --sv-surface: #1A1B2E;
  --sv-text: #F1F3F9;
  --sv-text-muted: #9AA0B4;
  --sv-border: #2C2E4A;
  --sv-glass-bg: rgba(26, 27, 46, 0.65);
  --sv-glass-border: rgba(255, 255, 255, 0.08);
  --sv-shadow-soft: 0 8px 30px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

body {
  font-family: var(--sv-font-body);
  background: var(--sv-bg);
  color: var(--sv-text);
  transition: background .3s ease, color .3s ease;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6, .font-display {
  font-family: var(--sv-font-display);
  font-weight: 600;
  color: var(--sv-text);
}

a { text-decoration: none; color: inherit; }

/* ---------- Utility: gradient text ---------- */
.text-gradient {
  background: var(--sv-gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Buttons ---------- */
.btn-gradient {
  background: var(--sv-gradient-primary);
  color: #fff;
  border: none;
  border-radius: var(--sv-radius-pill);
  padding: 0.7rem 1.6rem;
  font-weight: 600;
  font-family: var(--sv-font-display);
  box-shadow: 0 8px 20px rgba(255, 107, 0, 0.25);
  transition: transform .2s ease, box-shadow .2s ease;
}
.btn-gradient:hover {
  transform: translateY(-2px);
  box-shadow: var(--sv-shadow-hover);
  color: #fff;
}
.btn-outline-gradient {
  background: transparent;
  border: 2px solid var(--sv-orange);
  color: var(--sv-orange);
  border-radius: var(--sv-radius-pill);
  padding: 0.65rem 1.5rem;
  font-weight: 600;
  transition: all .2s ease;
}
.btn-outline-gradient:hover {
  background: var(--sv-gradient-primary);
  border-color: transparent;
  color: #fff;
}

/* ---------- Glassmorphism header ---------- */
.sv-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--sv-glass-bg);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid var(--sv-glass-border);
}

.sv-logo {
  font-family: var(--sv-font-display);
  font-weight: 700;
  font-size: 1.5rem;
}
.sv-logo .accent { color: var(--sv-orange); }

.sv-nav-link {
  font-weight: 500;
  color: var(--sv-text);
  padding: 0.5rem 0.9rem;
  border-radius: var(--sv-radius-pill);
  transition: all .2s ease;
}
.sv-nav-link:hover, .sv-nav-link.active {
  background: var(--sv-gradient-soft);
  color: var(--sv-orange);
}

.sv-search-form {
  background: var(--sv-surface);
  border: 1px solid var(--sv-border);
  border-radius: var(--sv-radius-pill);
  overflow: hidden;
  box-shadow: var(--sv-shadow-soft);
}
.sv-search-form input {
  border: none;
  outline: none;
  background: transparent;
  padding: 0.6rem 1rem;
  width: 100%;
  color: var(--sv-text);
}
.sv-search-form button {
  background: var(--sv-gradient-primary);
  color: #fff;
  border: none;
  padding: 0.6rem 1.2rem;
}

/* ---------- Hero ---------- */
.sv-hero {
  position: relative;
  border-radius: var(--sv-radius-lg);
  background: var(--sv-gradient-primary);
  overflow: hidden;
  padding: 4rem 2.5rem;
  color: #fff;
  isolation: isolate;
}
.sv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(255,255,255,0.25), transparent 45%),
              radial-gradient(circle at 10% 90%, rgba(255,255,255,0.15), transparent 40%);
  z-index: -1;
}
.sv-hero h1 { color: #fff; font-size: clamp(1.9rem, 4vw, 3rem); }
.sv-hero p { color: rgba(255,255,255,0.9); font-size: 1.1rem; }

.sv-ai-search-box {
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: var(--sv-radius-pill);
  padding: 0.4rem 0.4rem 0.4rem 1.4rem;
}
.sv-ai-search-box input {
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  width: 100%;
}
.sv-ai-search-box input::placeholder { color: rgba(255,255,255,0.75); }

/* ---------- Cards ---------- */
.sv-card {
  background: var(--sv-surface);
  border-radius: var(--sv-radius-md);
  border: 1px solid var(--sv-border);
  box-shadow: var(--sv-shadow-soft);
  transition: transform .25s ease, box-shadow .25s ease;
  overflow: hidden;
  height: 100%;
}
.sv-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sv-shadow-hover);
}

.sv-category-card {
  text-align: center;
  padding: 1.4rem 0.8rem;
  border-radius: var(--sv-radius-md);
  background: var(--sv-gradient-soft);
  border: 1px solid var(--sv-glass-border);
  transition: all .25s ease;
}
.sv-category-card:hover {
  background: var(--sv-gradient-primary);
  color: #fff;
  transform: translateY(-4px) scale(1.03);
}
.sv-category-card:hover .sv-cat-icon { color: #fff; }
.sv-cat-icon {
  font-size: 1.8rem;
  color: var(--sv-purple);
  margin-bottom: 0.5rem;
  transition: color .25s ease;
}

.sv-badge-discount {
  background: var(--sv-green);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: var(--sv-radius-sm);
}
.sv-badge-lowest {
  background: var(--sv-gradient-primary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: var(--sv-radius-pill);
}
.sv-price {
  font-family: var(--sv-font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--sv-text);
}
.sv-price-old {
  text-decoration: line-through;
  color: var(--sv-text-muted);
  font-size: 0.9rem;
  margin-left: 0.4rem;
}

.sv-wishlist-btn {
  background: var(--sv-glass-bg);
  backdrop-filter: blur(6px);
  border: 1px solid var(--sv-glass-border);
  border-radius: 50%;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--sv-orange);
  transition: all .2s ease;
}
.sv-wishlist-btn:hover { background: var(--sv-orange); color: #fff; }

/* ---------- Section headers ---------- */
.sv-section-title {
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  font-weight: 700;
}
.sv-section-sub { color: var(--sv-text-muted); }

/* ---------- Flash deal countdown ---------- */
.sv-countdown {
  background: var(--sv-gray-900);
  color: #fff;
  border-radius: var(--sv-radius-sm);
  padding: 0.3rem 0.6rem;
  font-family: var(--sv-font-display);
  font-weight: 600;
}

/* ---------- Newsletter ---------- */
.sv-newsletter {
  background: var(--sv-gradient-primary);
  border-radius: var(--sv-radius-lg);
  color: #fff;
  padding: 3rem 2rem;
}

/* ---------- Footer ---------- */
.sv-footer {
  background: var(--sv-gray-900);
  color: var(--sv-gray-300);
}
.sv-footer h6 { color: #fff; font-family: var(--sv-font-display); }
.sv-footer a { color: var(--sv-gray-300); transition: color .2s ease; }
.sv-footer a:hover { color: var(--sv-orange); }

/* ---------- Theme toggle ---------- */
.sv-theme-toggle {
  width: 42px; height: 42px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--sv-glass-bg);
  border: 1px solid var(--sv-glass-border);
  cursor: pointer;
}

/* ---------- Skeleton / lazy loading ---------- */
.sv-skeleton {
  background: linear-gradient(90deg, var(--sv-gray-100) 25%, var(--sv-gray-300) 37%, var(--sv-gray-100) 63%);
  background-size: 400% 100%;
  animation: sv-shimmer 1.4s ease infinite;
  border-radius: var(--sv-radius-sm);
}
@keyframes sv-shimmer {
  0% { background-position: 100% 50%; }
  100% { background-position: 0 50%; }
}

img.lazy { opacity: 0; transition: opacity .4s ease; }
img.lazy.loaded { opacity: 1; }

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .sv-hero { padding: 2.5rem 1.5rem; text-align: center; }
}