:root {
  --primary: #1a1a2e;
  --accent: #e94560;
  --accent-hover: #d63851;
  --bg: #f8f9fa;
  --card-bg: #ffffff;
  --text: #2d3436;
  --text-light: #636e72;
  --border: #e0e0e0;
  --tag-bg: #eef2f7;
  --max-width: 1200px;
}

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

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

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

/* Header */
.site-header {
  background: var(--primary);
  color: white;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: white;
  text-decoration: none;
}

.site-title:hover { color: var(--accent); text-decoration: none; }

.site-nav { display: flex; gap: 1.5rem; }
.site-nav a { color: rgba(255,255,255,0.85); font-size: 0.95rem; }
.site-nav a:hover { color: white; text-decoration: none; }

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

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, #16213e 100%);
  color: white;
  padding: 4rem 0;
  text-align: center;
}

.hero h1 { font-size: 2.5rem; margin-bottom: 1rem; }
.hero p { font-size: 1.2rem; opacity: 0.9; max-width: 700px; margin: 0 auto; }

.stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 2rem;
}

.stat-number { font-size: 2rem; font-weight: 700; color: var(--accent); }
.stat-label { font-size: 0.85rem; opacity: 0.8; }

/* Platform Grid */
.section-title {
  font-size: 1.8rem;
  margin: 2.5rem 0 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--accent);
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.platform-card {
  background: var(--card-bg);
  border-radius: 8px;
  padding: 1.5rem;
  border: 1px solid var(--border);
  transition: transform 0.2s, box-shadow 0.2s;
}

.platform-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.platform-card h3 { margin-bottom: 0.5rem; }
.platform-card h3 a { color: var(--text); }
.platform-card h3 a:hover { color: var(--accent); text-decoration: none; }

.platform-card .website {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 0.75rem;
  display: block;
}

.platform-card .description {
  color: var(--text);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.platform-card .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Tags */
.tag {
  display: inline-block;
  background: var(--tag-bg);
  color: var(--text-light);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.8rem;
}

.tag:hover { background: var(--accent); color: white; text-decoration: none; }

/* Single Platform Page */
.platform-single {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}

.platform-single h1 { font-size: 2.2rem; margin-bottom: 0.5rem; }

.platform-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.platform-meta .website-link {
  font-size: 1rem;
  color: var(--accent);
  font-weight: 500;
}

.platform-meta .date-added {
  color: var(--text-light);
  font-size: 0.9rem;
}

.platform-content {
  background: var(--card-bg);
  border-radius: 8px;
  padding: 2rem;
  border: 1px solid var(--border);
}

.platform-content h2 { margin-top: 1.5rem; margin-bottom: 0.75rem; }
.platform-content p { margin-bottom: 1rem; }
.platform-content ul, .platform-content ol { margin-bottom: 1rem; padding-left: 1.5rem; }

.back-link { display: inline-block; margin-bottom: 1.5rem; font-weight: 500; }

/* Taxonomy */
.taxonomy-list { list-style: none; padding: 0; }
.taxonomy-list li { margin-bottom: 0.5rem; }
.taxonomy-list li a { font-size: 1.1rem; }
.taxonomy-count { color: var(--text-light); font-size: 0.9rem; }

/* Footer */
.site-footer {
  background: var(--primary);
  color: rgba(255,255,255,0.7);
  padding: 2rem 0;
  margin-top: 3rem;
  text-align: center;
  font-size: 0.9rem;
}

/* Submit Form */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
  font-size: 0.95rem;
}

.form-group input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
  background: var(--bg);
  color: var(--text);
  transition: border-color 0.2s;
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.1);
}

.submit-btn {
  display: inline-block;
  background: var(--accent);
  color: white;
  border: none;
  padding: 0.75rem 2rem;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
  margin-top: 0.5rem;
}

.submit-btn:hover {
  background: var(--accent-hover);
}

.form-error {
  background: #ffeef0;
  color: #c0392b;
  padding: 0.75rem 1rem;
  border-radius: 6px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.form-success {
  text-align: center;
  padding: 2rem 0;
}

.form-success h3 {
  color: #27ae60;
  margin-bottom: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 1.8rem; }
  .stats { gap: 1.5rem; }
  .platform-grid { grid-template-columns: 1fr; }
  .site-header .container { flex-direction: column; gap: 0.75rem; }
}