*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #0f0f0f;
  --color-surface: #1a1a1a;
  --color-surface-hover: #242424;
  --color-text: #f5f5f5;
  --color-text-muted: #a0a0a0;
  --color-accent: #e1306c;
  --color-accent-hover: #c13584;
  --color-border: #2a2a2a;
  --color-error: #ff6b6b;
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-card-hover: 0 8px 30px rgba(0, 0, 0, 0.6);
  --radius-md: 12px;
  --radius-lg: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  padding: 48px 0 32px;
  text-align: center;
  background: linear-gradient(135deg, #833ab4 0%, #fd1d1d 50%, #fcb045 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.site-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.site-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  font-weight: 400;
  -webkit-text-fill-color: var(--color-text-muted);
}

.hero {
  padding: 40px 0 24px;
  text-align: center;
}

.hero h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text);
}

.hero p {
  color: var(--color-text-muted);
  font-size: 1rem;
}

.feed-section {
  padding: 32px 0 64px;
}

.loading-state,
.error-state,
.empty-state {
  text-align: center;
  padding: 80px 24px;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 16px;
}

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

.loading-state p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.error-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.error-message {
  color: var(--color-error);
  font-size: 1rem;
  margin-bottom: 24px;
}

.retry-btn {
  background-color: var(--color-accent);
  color: white;
  border: none;
  padding: 12px 32px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.retry-btn:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
}

.empty-state p {
  color: var(--color-text-muted);
  font-size: 1rem;
}

.feed-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.post-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}

.post-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  background-color: var(--color-surface-hover);
}

.post-media {
  position: relative;
  width: 100%;
  padding-top: 100%;
  overflow: hidden;
  background-color: #0a0a0a;
}

.post-media img,
.post-media video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.post-card:hover .post-media img,
.post-card:hover .post-media video {
  transform: scale(1.05);
}

.media-type-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background-color: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.post-content {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.post-caption {
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-meta {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
}

.post-date {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.post-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  transition: var(--transition);
}

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

.site-footer {
  padding: 40px 0;
  text-align: center;
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}

.site-footer p {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  margin-bottom: 8px;
}

.footer-instagram a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

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

@media (max-width: 768px) {
  .site-title {
    font-size: 1.8rem;
  }

  .site-subtitle {
    font-size: 0.95rem;
  }

  .hero h2 {
    font-size: 1.4rem;
  }

  .feed-grid {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
  }

  .container {
    padding: 0 16px;
  }
}

@media (max-width: 480px) {
  .feed-grid {
    grid-template-columns: 1fr;
  }
}