/* ============================================================
   phydias blog - standalone stylesheet
   Dark navy + coral + amber, terminal motif.
   ============================================================ */

:root {
  --bg-page: #14203a;
  --bg-navy: #1B2A4A;
  --bg-card: #22335a;
  --coral: #FF5C48;
  --amber: #FFA726;
  --cream: #F5F0E1;
  --cream-muted: rgba(245, 240, 225, 0.6);
  --border: rgba(245, 240, 225, 0.12);
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg-page);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--coral);
  color: var(--bg-page);
}

/* ---------- Nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.5rem;
  background: rgba(20, 32, 58, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav a {
  text-decoration: none;
}

.nav-monogram {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--cream);
}

.nav-monogram .prompt {
  color: var(--coral);
}

.nav-home {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cream-muted);
  transition: color 0.2s ease;
}

.nav-home:hover {
  color: var(--amber);
}

/* ---------- Layout ---------- */

.post {
  max-width: 720px;
  margin: 0 auto;
  padding: 3.5rem 1.5rem 5rem;
}

.post-header {
  margin-bottom: 2.5rem;
}

.post-date {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--amber);
  margin-bottom: 0.75rem;
}

h1 {
  font-size: 2.1rem;
  line-height: 1.25;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.post-subtitle {
  color: var(--cream-muted);
  font-size: 1.05rem;
  margin: 0;
}

/* ---------- Typography ---------- */

h2 {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--cream);
  margin: 2.75rem 0 1rem;
  padding: 0.6rem 0.9rem;
  background: var(--bg-navy);
  border: 1px solid var(--border);
  border-left: 3px solid var(--coral);
  border-radius: 6px;
  overflow-x: auto;
  white-space: nowrap;
}

h2 .prompt {
  color: var(--coral);
  user-select: none;
}

h3 {
  font-size: 1.15rem;
  margin: 2rem 0 0.75rem;
  color: var(--amber);
}

p {
  margin: 0 0 1.25rem;
}

a {
  color: var(--coral);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

strong {
  color: var(--cream);
  font-weight: 700;
}

em {
  color: var(--cream);
}

/* ---------- Lists ---------- */

ul, ol {
  margin: 0 0 1.25rem;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
}

li::marker {
  color: var(--coral);
}

/* ---------- Track list ---------- */

.track-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  counter-reset: track;
}

.track-list li {
  counter-increment: track;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.85rem 1rem 0.85rem 2.75rem;
  margin-bottom: 0.6rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  position: relative;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.track-list li:hover {
  border-color: var(--coral);
  transform: translateX(4px);
}

.track-list li::before {
  content: counter(track, decimal-leading-zero);
  position: absolute;
  left: 0.9rem;
  top: 0.95rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--amber);
}

.track-title {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--cream);
}

.track-title .artist {
  color: var(--coral);
}

.track-why {
  font-size: 0.9rem;
  color: var(--cream-muted);
  line-height: 1.5;
}

/* ---------- Code ---------- */

code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--bg-navy);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.15em 0.4em;
  color: var(--amber);
}

pre {
  background: var(--bg-navy);
  border: 1px solid var(--border);
  border-left: 3px solid var(--coral);
  border-radius: 8px;
  padding: 1.1rem 1.25rem;
  margin: 0 0 1.5rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.6;
}

pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
  color: var(--cream);
}

/* terminal syntax colors */
pre .kw { color: var(--coral); }   /* keywords / commands */
pre .str { color: var(--amber); }  /* strings / paths */
pre .cm { color: var(--cream-muted); font-style: italic; } /* comments */
pre .pr { color: var(--coral); user-select: none; }        /* prompt */

/* ---------- Blockquote ---------- */

blockquote {
  margin: 0 0 1.5rem;
  padding: 0.75rem 1.25rem;
  border-left: 3px solid var(--coral);
  background: var(--bg-card);
  border-radius: 0 8px 8px 0;
  color: var(--cream-muted);
  font-style: italic;
}

blockquote p:last-child {
  margin-bottom: 0;
}

/* ---------- Horizontal rule ---------- */

hr {
  border: none;
  border-top: 1px dashed var(--border);
  margin: 2.5rem 0;
}

/* ---------- Footer ---------- */

.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 1.5rem 2.5rem;
  text-align: center;
}

.footer-social {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.footer-social a {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cream-muted);
}

.footer-social a:hover {
  color: var(--coral);
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--cream-muted);
  margin: 0;
}

/* ---------- Responsive ---------- */

@media (max-width: 480px) {
  body {
    font-size: 1rem;
  }

  h1 {
    font-size: 1.7rem;
  }

  .post {
    padding: 2.5rem 1.25rem 4rem;
  }

  .track-list li {
    padding-left: 2.4rem;
  }
}