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

:root {
  --bg: #0a0a0f;
  --card-bg: #14141e;
  --card-border: #1e1e2e;
  --accent: #00ff88;
  --accent-dim: #00cc6a;
  --text: #e0e0e0;
  --text-muted: #888;
  --font-mono: 'Space Mono', monospace;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --radius: 8px;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
  min-height: 100vh;
}

/* Header */
.site-header {
  padding: 2.5rem 1.5rem 2rem;
  text-align: center;
  border-bottom: 1px solid var(--card-border);
  background: linear-gradient(180deg, #10101a 0%, var(--bg) 100%);
}

.header-content {
  max-width: 900px;
  margin: 0 auto;
}

.site-title {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

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

.site-subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 0.4rem;
}

/* Filters */
.filters {
  margin-top: 1.2rem;
  display: flex;
  justify-content: center;
  gap: 0.75rem;
}

.filter-select {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: var(--card-bg);
  color: var(--text);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 0.5rem 1rem;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2300ff88' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

.filter-select:hover {
  border-color: var(--accent-dim);
}

.filter-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(0, 255, 136, 0.15);
}

/* Gallery grid */
.gallery {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem;
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

/* Card */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.card-media {
  position: relative;
  cursor: pointer;
  overflow: hidden;
  aspect-ratio: 16/10;
  background: #0d0d14;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

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

.video-thumb {
  position: relative;
  width: 100%;
  height: 100%;
}

.play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 2.5rem;
  color: #fff;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
  pointer-events: none;
}

.gallery-badge {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: rgba(0, 0, 0, 0.7);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.card-body {
  padding: 0.85rem 1rem 1rem;
}

.card-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.card-sub {
  color: var(--accent-dim);
}

.card-sub.bluesky {
  color: #0085ff;
}

.card-link {
  display: inline-block;
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  text-decoration: none;
  opacity: 0.8;
  transition: opacity 0.15s;
}

.card-link:hover {
  opacity: 1;
  text-decoration: underline;
}

/* Loading */
.load-sentinel {
  display: flex;
  justify-content: center;
  padding: 2rem 0 3rem;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--card-border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

.no-posts {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.95rem;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
}

.modal-content {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 3rem 1rem 1rem;
}

.modal-close {
  position: absolute;
  top: 0.75rem;
  right: 1rem;
  background: none;
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  z-index: 10;
  line-height: 1;
  opacity: 0.7;
  transition: opacity 0.15s;
}

.modal-close:hover {
  opacity: 1;
}

.modal-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 1.4rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  cursor: pointer;
  z-index: 10;
  transition: background 0.15s;
}

.modal-nav:hover {
  background: rgba(0, 255, 136, 0.2);
}

.modal-prev {
  left: 1rem;
}

.modal-next {
  right: 1rem;
}

.modal-media {
  max-width: 90vw;
  max-height: 75vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-media img {
  max-width: 90vw;
  max-height: 75vh;
  object-fit: contain;
  border-radius: 4px;
}

.modal-media video {
  max-width: 90vw;
  max-height: 75vh;
  border-radius: 4px;
}

.modal-info {
  margin-top: 0.75rem;
  text-align: center;
  max-width: 600px;
}

.modal-info-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text);
}

.modal-info-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.modal-info-link {
  display: inline-block;
  margin-top: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  text-decoration: none;
}

.modal-info-link:hover {
  text-decoration: underline;
}

.modal-gallery-counter {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  margin-top: 0.4rem;
}

/* Responsive */
@media (max-width: 640px) {
  .site-title {
    font-size: 1.4rem;
  }

  .posts-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .gallery {
    padding: 1rem;
  }

  .modal-nav {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
  }
}

@media (min-width: 1200px) {
  .posts-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}