/* === Space Cat Goes to School === */

/* Stars background */
@keyframes twinkle {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

:root {
  --bg-deep: #0a0a1a;
  --bg-card: #12122a;
  --bg-card-hover: #1a1a3a;
  --border: #2a2a5a;
  --text: #e0e0f0;
  --text-muted: #8888aa;
  --accent-purple: #b388ff;
  --accent-teal: #64ffda;
  --accent-orange: #ffab40;
  --accent-pink: #ff80ab;
  --link: #b388ff;
  --link-hover: #64ffda;
  --heading: #e0e0f0;
  --table-header-bg: #1a1a3a;
  --table-row-alt: #0f0f25;
  --table-border: #2a2a5a;
  --max-width: 900px;
}

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

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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Starfield layer */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.8), transparent),
    radial-gradient(1px 1px at 25% 45%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1.5px 1.5px at 40% 15%, rgba(179,136,255,0.7), transparent),
    radial-gradient(1px 1px at 55% 70%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 70% 35%, rgba(100,255,218,0.6), transparent),
    radial-gradient(1.5px 1.5px at 85% 60%, rgba(255,255,255,0.7), transparent),
    radial-gradient(1px 1px at 15% 80%, rgba(255,171,64,0.5), transparent),
    radial-gradient(1px 1px at 95% 10%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 30% 90%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1.5px 1.5px at 60% 5%, rgba(179,136,255,0.6), transparent),
    radial-gradient(1px 1px at 5% 55%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 50% 40%, rgba(100,255,218,0.4), transparent),
    radial-gradient(1px 1px at 75% 85%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 20% 65%, rgba(255,128,171,0.5), transparent),
    radial-gradient(1.5px 1.5px at 90% 30%, rgba(255,255,255,0.7), transparent),
    radial-gradient(1px 1px at 45% 95%, rgba(179,136,255,0.4), transparent),
    radial-gradient(1px 1px at 65% 50%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 35% 25%, rgba(100,255,218,0.5), transparent),
    radial-gradient(1px 1px at 80% 75%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 12% 42%, rgba(255,171,64,0.4), transparent);
}

/* Second star layer for depth */
body::after {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  animation: twinkle 4s ease-in-out infinite;
  background:
    radial-gradient(1px 1px at 18% 33%, rgba(255,255,255,0.9), transparent),
    radial-gradient(2px 2px at 52% 22%, rgba(179,136,255,0.8), transparent),
    radial-gradient(1px 1px at 78% 55%, rgba(100,255,218,0.7), transparent),
    radial-gradient(1.5px 1.5px at 33% 78%, rgba(255,171,64,0.8), transparent),
    radial-gradient(1px 1px at 88% 88%, rgba(255,255,255,0.7), transparent),
    radial-gradient(2px 2px at 8% 92%, rgba(255,128,171,0.6), transparent),
    radial-gradient(1px 1px at 62% 12%, rgba(255,255,255,0.8), transparent),
    radial-gradient(1px 1px at 42% 58%, rgba(179,136,255,0.5), transparent);
}

/* Everything sits above stars */
.site-wrapper {
  position: relative;
  z-index: 1;
}

/* === Header === */
.site-header {
  text-align: center;
  padding: 2rem 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(20,20,50,0.95) 0%, rgba(10,10,26,0.8) 100%);
}

.site-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-purple);
  text-shadow: 0 0 20px rgba(179,136,255,0.4);
  letter-spacing: 0.05em;
}

.site-title a {
  color: inherit;
  text-decoration: none;
}

.site-subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

.cat-emoji {
  font-size: 1.5rem;
  margin: 0 0.3rem;
}

/* === Navigation === */
nav.breadcrumb {
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  max-width: var(--max-width);
  margin: 0 auto;
}

nav.breadcrumb a {
  color: var(--accent-teal);
  text-decoration: none;
}

nav.breadcrumb a:hover {
  text-decoration: underline;
}

nav.breadcrumb .sep {
  margin: 0 0.4rem;
  color: var(--text-muted);
}

/* === Main Content === */
.content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem 1.5rem 4rem;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
  color: var(--heading);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

h1 {
  font-size: 1.8rem;
  color: var(--accent-purple);
  text-shadow: 0 0 15px rgba(179,136,255,0.3);
  border-bottom: 2px solid var(--border);
  padding-bottom: 0.5rem;
}

h2 {
  font-size: 1.4rem;
  color: var(--accent-teal);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.3rem;
}

h3 {
  font-size: 1.15rem;
  color: var(--accent-orange);
}

h4 {
  font-size: 1rem;
  color: var(--accent-pink);
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--link);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

strong {
  color: #f0f0ff;
}

em {
  color: var(--accent-pink);
  font-style: italic;
}

code {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.15em 0.4em;
  font-size: 0.9em;
  font-family: 'Fira Code', 'Consolas', monospace;
}

pre {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem;
  overflow-x: auto;
  margin-bottom: 1rem;
}

pre code {
  border: none;
  padding: 0;
  background: none;
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

blockquote {
  border-left: 3px solid var(--accent-purple);
  padding-left: 1rem;
  margin: 1rem 0;
  color: var(--text-muted);
  background: rgba(179,136,255,0.05);
  padding: 0.75rem 1rem;
  border-radius: 0 6px 6px 0;
}

/* === Lists === */
ul, ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.3rem;
}

li > ul, li > ol {
  margin-bottom: 0;
  margin-top: 0.3rem;
}

/* === Tables === */
.table-wrapper {
  overflow-x: auto;
  margin-bottom: 1.5rem;
  border-radius: 6px;
  border: 1px solid var(--table-border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

thead {
  background: var(--table-header-bg);
}

th {
  padding: 0.6rem 0.75rem;
  text-align: left;
  font-weight: 600;
  color: var(--accent-teal);
  border-bottom: 2px solid var(--accent-purple);
  white-space: nowrap;
}

td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--table-border);
  vertical-align: top;
}

tbody tr:nth-child(even) {
  background: var(--table-row-alt);
}

tbody tr:hover {
  background: var(--bg-card-hover);
}

/* === Status badges === */
.status-active { color: var(--accent-teal); }
.status-suspended { color: var(--accent-orange); }
.status-new { color: var(--accent-pink); }

/* === Warning/info boxes (for ⚠️ lines) === */
.alert {
  padding: 0.75rem 1rem;
  border-radius: 6px;
  margin-bottom: 1rem;
  border-left: 4px solid;
}

.alert-warning {
  background: rgba(255,171,64,0.1);
  border-color: var(--accent-orange);
}

.alert-info {
  background: rgba(100,255,218,0.1);
  border-color: var(--accent-teal);
}

/* === Rocket divider === */
.rocket-divider {
  text-align: center;
  margin: 2rem 0;
  font-size: 1.2rem;
  color: var(--text-muted);
  letter-spacing: 0.5em;
}

/* === Footer === */
.site-footer {
  text-align: center;
  padding: 2rem 1rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.8rem;
  background: linear-gradient(0deg, rgba(20,20,50,0.95) 0%, rgba(10,10,26,0.8) 100%);
}

/* === Index / listing pages === */
.program-list {
  list-style: none;
  padding: 0;
}

.program-list li {
  margin-bottom: 0.5rem;
}

.program-list a {
  display: block;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: all 0.2s;
}

.program-list a:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-purple);
  text-decoration: none;
  transform: translateX(4px);
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.section-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  transition: all 0.2s;
  text-decoration: none;
  display: block;
  color: var(--text);
}

.section-card:hover {
  border-color: var(--accent-purple);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(179,136,255,0.15);
  text-decoration: none;
}

.section-card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.section-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0;
}

/* === Tier badges === */
.tier-badge {
  display: inline-block;
  padding: 0.15em 0.5em;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
}

.tier-strong {
  background: rgba(100,255,218,0.15);
  color: var(--accent-teal);
  border: 1px solid rgba(100,255,218,0.3);
}

.tier-moderate {
  background: rgba(179,136,255,0.15);
  color: var(--accent-purple);
  border: 1px solid rgba(179,136,255,0.3);
}

.tier-reach {
  background: rgba(255,171,64,0.15);
  color: var(--accent-orange);
  border: 1px solid rgba(255,171,64,0.3);
}

.tier-not-viable {
  background: rgba(255,80,80,0.15);
  color: #ff8080;
  border: 1px solid rgba(255,80,80,0.3);
}

/* === Program cards (section index) === */
.program-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  margin-bottom: 0.75rem;
  transition: border-color 0.2s, background 0.2s;
  text-decoration: none;
  color: var(--text);
  cursor: pointer;
}

.program-card:hover {
  border-color: var(--accent-purple);
  background: var(--bg-card-hover);
  text-decoration: none !important;
}

.program-card * {
  text-decoration: none !important;
}

.program-card-name {
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--link);
}

.program-card:hover .program-card-name {
  color: var(--link-hover);
}

.program-card-fit {
  margin-top: 0.35rem;
  padding-left: 1rem;
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

.program-card-fit .tier-badge {
  vertical-align: middle;
  margin-right: 0.3rem;
}

.program-card-fit strong {
  color: var(--text);
}

/* === Program comparison table === */
.program-table {
  width: 100%;
}

.program-table td:first-child {
  white-space: nowrap;
}

details summary {
  color: var(--accent-teal);
}

details summary:hover {
  color: var(--link-hover);
}

/* === Responsive === */
@media (max-width: 768px) {
  .site-title { font-size: 1.5rem; }
  .content { padding: 1rem; }
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.2rem; }
  table { font-size: 0.8rem; }
  th, td { padding: 0.4rem 0.5rem; }
}

@media (max-width: 480px) {
  .site-title { font-size: 1.2rem; }
  .content { padding: 0.75rem; }
  .section-grid { grid-template-columns: 1fr; }
}