:root {
  --bg-color: #15171c;
  --panel-bg: #1e212b;
  --border-color: #2a2e3d;
  --text-main: #e1e4ed;
  --text-muted: #8b92a5;
  --link-color: #0096fa;
  --accent-color: #3b82f6;
  --tag-artist: #ff8a8a;
  --tag-copyright: #c084fc;
  --tag-character: #4ade80;
  --tag-general: #38bdf8;
  --tag-meta: #facc15;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-size: 14px;
  line-height: 1.5;
}

/* --- NAVBAR --- */
.navbar {
  background: var(--panel-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar a {
  color: var(--text-main);
  text-decoration: none;
  margin-right: 16px;
  font-weight: 500;
  transition: color 0.2s;
}

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

.navbar .user-badge {
  color: var(--tag-artist);
  font-weight: bold;
}

/* --- LAYOUT --- */
.layout {
  display: flex;
  max-width: 1400px;
  margin: 20px auto;
  padding: 0 20px;
  gap: 24px;
}

.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  height: fit-content;
}

.sidebar h3 {
  font-size: 14px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.main-content {
  flex-grow: 1;
  min-width: 0;
}

/* --- FORM ELEMENTS --- */
input[type="text"], input[type="email"], input[type="password"], textarea, select {
  width: 100%;
  padding: 8px 12px;
  background: #0f1115;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-main);
  font-size: 13px;
  margin-bottom: 12px;
  outline: none;
}

input:focus, textarea:focus {
  border-color: var(--accent-color);
}

button, .btn {
  background: var(--accent-color);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

button:hover, .btn:hover {
  opacity: 0.9;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* --- BOORU RESPONSIVE GRID (ASPECT RATIO FIT) --- */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}

.post-card {
  position: relative;
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.post-card:hover {
  transform: translateY(-2px);
  border-color: var(--link-color);
}

.post-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.post-card .badge-animated {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.75);
  color: var(--tag-meta);
  font-size: 10px;
  font-weight: bold;
  padding: 2px 6px;
  border-radius: 3px;
  text-transform: uppercase;
}

/* --- TAG STYLES --- */
.tag-list-item {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  margin-bottom: 4px;
}

.tag {
  text-decoration: none;
  font-weight: 500;
}

.tag-artist { color: var(--tag-artist); }
.tag-copyright { color: var(--tag-copyright); }
.tag-character { color: var(--tag-character); }
.tag-general { color: var(--tag-general); }
.tag-meta { color: var(--tag-meta); }

.tag-count {
  color: var(--text-muted);
  font-size: 12px;
}

/* --- POST DETAIL VIEW --- */
.media-container {
  background: #000;
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  max-height: 80vh;
  margin-bottom: 20px;
  border: 1px solid var(--border-color);
}

.media-container img, .media-container video {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
}

/* --- COMMENTS & VOTES --- */
.comment-box {
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 12px;
  margin-bottom: 12px;
}

.vote-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 2px 8px;
  font-size: 11px;
}

.vote-btn:hover {
  background: var(--border-color);
}