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

:root {
  --bg-primary: #1a1a2e;
  --bg-secondary: #16213e;
  --bg-card: #0f3460;
  --bg-input: #16213e;
  --text-primary: #f5f5f5;
  --text-secondary: #a0a0b0;
  --text-muted: #6c6c80;
  --accent: #e67e22;
  --accent-hover: #d35400;
  --border: #2a2a4a;
  --shadow: rgba(0, 0, 0, 0.4);
  --radius: 12px;
  --radius-sm: 8px;
  --sport-baseball: #c41e3a;
  --sport-basketball: #f58426;
  --sport-football: #013369;
  --sport-hockey: #111111;
  --sport-soccer: #00a550;
}

html {
  font-size: 16px;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

/* ===== Header ===== */
.header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 12px 16px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.logo-icon {
  font-size: 1.6rem;
}

.nav-links {
  display: flex;
  gap: 20px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  text-decoration: none;
}

/* ===== Container ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

/* ===== Hero / Search Section ===== */
.hero {
  text-align: center;
  padding: 60px 16px 40px;
}

.hero h1 {
  font-size: 2rem;
  margin-bottom: 8px;
}

.hero p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 1.05rem;
}

.search-wrapper {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

.search-bar {
  display: flex;
  gap: 8px;
}

.search-bar input {
  flex: 1;
  padding: 14px 20px;
  border-radius: var(--radius);
  border: 2px solid var(--border);
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}

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

.search-bar input:focus {
  border-color: var(--accent);
}

.search-bar button {
  padding: 14px 24px;
  border-radius: var(--radius);
  border: none;
  background: var(--accent);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
  white-space: nowrap;
}

.search-bar button:hover {
  background: var(--accent-hover);
}

.btn-scan {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  padding: 12px 28px;
  border-radius: var(--radius);
  border: 2px solid var(--accent);
  background: transparent;
  color: var(--accent);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-scan:hover {
  background: var(--accent);
  color: #fff;
  text-decoration: none;
}

/* ===== Sport Category Icons ===== */
.sport-categories {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.sport-cat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 20px;
  border-radius: var(--radius);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.2s;
  cursor: pointer;
  min-width: 100px;
  text-decoration: none;
}

.sport-cat:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  text-decoration: none;
}

.sport-cat .sport-icon {
  font-size: 1.8rem;
}

.sport-cat.baseball { border-top: 3px solid var(--sport-baseball); }
.sport-cat.basketball { border-top: 3px solid var(--sport-basketball); }
.sport-cat.football { border-top: 3px solid var(--sport-football); }
.sport-cat.hockey { border-top: 3px solid var(--sport-hockey); }
.sport-cat.soccer { border-top: 3px solid var(--sport-soccer); }

/* ===== Card Grid (eBay Results) ===== */
.section-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 32px 0 16px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding-bottom: 32px;
}

.card-item {
  background: var(--bg-secondary);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}

.card-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--shadow);
  text-decoration: none;
}

.card-item-img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  background: var(--bg-primary);
}

.card-item-info {
  padding: 10px 12px;
}

.card-item-name {
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-item-price {
  font-size: 0.85rem;
  color: #2ecc71;
  font-weight: 700;
  margin-top: 4px;
}

.card-item-condition {
  font-size: 0.73rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.card-item-link {
  display: block;
  margin-top: 6px;
  font-size: 0.75rem;
  color: var(--accent);
}

/* ===== Card Results Page ===== */
.card-results {
  padding: 24px 16px;
  max-width: 1000px;
  margin: 0 auto;
}

.card-analysis {
  background: var(--bg-secondary);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 24px;
  margin-bottom: 24px;
}

.card-analysis h2 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.analysis-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.analysis-item {
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  border: 1px solid var(--border);
}

.analysis-item .label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.analysis-item .value {
  font-size: 1rem;
  font-weight: 600;
  margin-top: 2px;
}

.condition-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  background: rgba(46, 204, 113, 0.15);
  color: #2ecc71;
  border: 1px solid rgba(46, 204, 113, 0.3);
}

.condition-badge.fair,
.condition-badge.poor {
  background: rgba(231, 76, 60, 0.15);
  color: #e74c3c;
  border-color: rgba(231, 76, 60, 0.3);
}

.condition-badge.good,
.condition-badge.very-good {
  background: rgba(241, 196, 15, 0.15);
  color: #f1c40f;
  border-color: rgba(241, 196, 15, 0.3);
}

/* Price summary */
.price-summary {
  background: var(--bg-secondary);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 20px 24px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.price-summary .avg-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.price-summary .avg-price {
  font-size: 2rem;
  font-weight: 700;
  color: #2ecc71;
}

.btn-scan-another {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background 0.2s;
  text-decoration: none;
}

.btn-scan-another:hover {
  background: var(--accent-hover);
  text-decoration: none;
}

/* ===== Scanner ===== */
.scanner-page {
  position: fixed;
  inset: 0;
  background: #000;
  z-index: 1000;
  display: flex;
  flex-direction: column;
}

.scanner-video {
  flex: 1;
  object-fit: cover;
  width: 100%;
}

.scanner-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.scanner-guide {
  width: 280px;
  height: 392px;
  border: 3px solid var(--accent);
  border-radius: 16px;
  box-shadow: 0 0 0 9999px rgba(0,0,0,0.5);
}

.scanner-controls {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  pointer-events: auto;
}

.btn-capture {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: 4px solid #fff;
  background: var(--accent);
  cursor: pointer;
  transition: transform 0.15s;
}

.btn-capture:hover {
  transform: scale(1.1);
}

.btn-capture:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-cancel {
  padding: 10px 24px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.3);
  background: rgba(0,0,0,0.5);
  color: #fff;
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
}

.btn-cancel:hover {
  text-decoration: none;
}

.scanner-status {
  position: absolute;
  top: 60px;
  left: 0;
  right: 0;
  text-align: center;
  color: #fff;
  font-size: 0.95rem;
  text-shadow: 0 1px 4px rgba(0,0,0,0.8);
  padding: 0 20px;
}

/* ===== Loading & States ===== */
.loading {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.spinner {
  display: inline-block;
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 12px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state p {
  font-size: 1.1rem;
}

/* ===== Features Grid ===== */
.features {
  padding-bottom: 32px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
}

.feature-icon {
  color: var(--accent);
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== SEO Content ===== */
.seo-content {
  padding: 40px 16px;
  max-width: 800px;
  margin: 0 auto;
}

.seo-content h2 {
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.seo-content h3 {
  font-size: 1.1rem;
  margin-top: 24px;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.seo-content p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 12px;
}

/* ===== About Page ===== */
.about-hero {
  text-align: center;
  padding: 48px 16px 32px;
}

.about-hero h1 {
  font-size: 2rem;
  margin-bottom: 8px;
}

.about-tagline {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.about-content {
  max-width: 900px;
  margin: 0 auto;
  padding-bottom: 40px;
}

.about-section {
  margin-bottom: 40px;
}

.about-section h2 {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.about-section p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 10px;
  font-size: 0.92rem;
}

.how-to-list {
  padding-left: 20px;
  color: var(--text-secondary);
}

.how-to-list li {
  margin-bottom: 12px;
  font-size: 0.92rem;
  line-height: 1.6;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
}

.faq-item h3 {
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.faq-item p {
  font-size: 0.85rem;
  margin: 0;
}

/* ===== Footer ===== */
.footer {
  text-align: center;
  padding: 32px 16px;
  color: var(--text-muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-disclaimer {
  font-size: 0.7rem;
  margin-top: 8px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .hero h1 {
    font-size: 1.5rem;
  }

  .hero {
    padding: 40px 16px 24px;
  }

  .nav-links {
    gap: 12px;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .analysis-grid {
    grid-template-columns: 1fr;
  }

  .price-summary {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }

  .sport-categories {
    gap: 12px;
  }

  .sport-cat {
    min-width: 80px;
    padding: 12px 16px;
  }

  .about-hero h1 {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
}

@media (max-width: 400px) {
  .search-bar {
    flex-direction: column;
  }

  .search-bar button {
    width: 100%;
  }
}