/* ==============================================
   BTOWN BRIEF MERCH - STYLES
   Dark, clean, minimal aesthetic
   ============================================== */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600&family=Playfair+Display:wght@500;600&display=swap');

/* CSS Variables */
:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #141414;
  --bg-card: #1a1a1a;
  --bg-card-hover: #222222;
  --text-primary: #f5f5f5;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;
  --accent: #e8d5b7;
  --accent-hover: #f0e2ca;
  --border: #2a2a2a;
  --border-hover: #3a3a3a;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.5);
  --radius: 8px;
  --radius-lg: 12px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.header {
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-primary);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.logo {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  transition: color var(--transition);
}

.logo:hover {
  color: var(--accent);
}

.logo span {
  color: var(--accent);
}

/* Search */
.search-wrapper {
  position: relative;
  flex: 1;
  max-width: 320px;
}

.search-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 0.9375rem;
  font-family: inherit;
  transition: all var(--transition);
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg-card);
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  pointer-events: none;
}

/* Main Content */
.main {
  padding: 3rem 0 4rem;
  min-height: calc(100vh - 200px);
}

/* Intro Section */
.intro {
  max-width: 600px;
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.intro-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.intro-text {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.intro-text strong {
  color: var(--text-primary);
  font-weight: 500;
}

.intro-prices {
  color: var(--accent);
  font-weight: 500;
}

.intro-shipping {
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.intro-note {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-style: italic;
  line-height: 1.6;
}

.intro-link {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

.intro-link a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition);
}

.intro-link a:hover {
  color: var(--accent-hover);
}

/* Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

/* Design Card */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  cursor: pointer;
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.card-image {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--bg-secondary);
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.card:hover .card-image img {
  transform: scale(1.03);
}

.card-content {
  padding: 1.25rem;
}

.card-title {
  font-size: 1.125rem;
  font-weight: 500;
  margin-bottom: 0.375rem;
  line-height: 1.3;
}

.card-meta {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.card-hint {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  font-style: italic;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-secondary);
}

.empty-state h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

/* =============================================
   DESIGN PAGE STYLES
   ============================================= */

/* Back Link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 2rem;
  transition: color var(--transition);
}

.back-link:hover {
  color: var(--accent);
}

.back-link svg {
  width: 20px;
  height: 20px;
}

/* Design Detail */
.design-detail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  max-width: 900px;
}

@media (min-width: 768px) {
  .design-detail {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

.design-hero {
  aspect-ratio: 1 / 1;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}

.design-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.design-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.design-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

@media (min-width: 768px) {
  .design-title {
    font-size: 2.5rem;
  }
}

.design-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
}

.design-hint {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-style: italic;
  margin-top: 0.25rem;
}

.design-description {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: 1rem;
  font-style: italic;
}

.sizing-warning {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  line-height: 1.5;
}

/* Product Buttons */
.product-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.product-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 0.9375rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
}

.product-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  transform: translateX(4px);
}

.product-btn .label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.product-btn .price {
  color: var(--text-secondary);
  font-weight: 400;
}

.product-btn svg {
  width: 18px;
  height: 18px;
  opacity: 0;
  transition: opacity var(--transition);
}

.product-btn:hover svg {
  opacity: 1;
}

/* Embroidered Button - Special Style */
.product-btn.embroidered {
  background: linear-gradient(135deg, var(--bg-secondary), #1f1a14);
  border-color: var(--accent);
}

.product-btn.embroidered::before {
  content: '✦';
  font-size: 0.75rem;
  color: var(--accent);
  margin-right: 0.5rem;
}

.product-btn.embroidered:hover {
  background: linear-gradient(135deg, #1f1a14, var(--bg-secondary));
}

/* Section Headers */
.section-header {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

/* Loading State */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 50vh;
  color: var(--text-secondary);
}

/* Footer */
.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.footer a {
  color: var(--accent);
  transition: color var(--transition);
}

.footer a:hover {
  color: var(--accent-hover);
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card {
  animation: fadeIn 0.4s ease-out backwards;
}

.card:nth-child(1) { animation-delay: 0.02s; }
.card:nth-child(2) { animation-delay: 0.04s; }
.card:nth-child(3) { animation-delay: 0.06s; }
.card:nth-child(4) { animation-delay: 0.08s; }
.card:nth-child(5) { animation-delay: 0.1s; }
.card:nth-child(6) { animation-delay: 0.12s; }
.card:nth-child(7) { animation-delay: 0.14s; }
.card:nth-child(8) { animation-delay: 0.16s; }
.card:nth-child(9) { animation-delay: 0.18s; }
.card:nth-child(10) { animation-delay: 0.2s; }
.card:nth-child(11) { animation-delay: 0.22s; }
.card:nth-child(12) { animation-delay: 0.24s; }
.card:nth-child(13) { animation-delay: 0.26s; }
.card:nth-child(14) { animation-delay: 0.28s; }
.card:nth-child(15) { animation-delay: 0.3s; }

/* Responsive */
@media (max-width: 640px) {
  .header-inner {
    flex-direction: column;
    align-items: stretch;
  }
  
  .logo {
    text-align: center;
  }
  
  .search-wrapper {
    max-width: none;
  }
  
  .grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  }
}