/* ==========================================================================
   ASCII Art — design tokens
   Palette: near-black canvas, warm amber terminal accent (deliberately NOT
   the green-on-black hacker cliché), everything in monospace since the
   subject matter IS fixed-width text.
   ========================================================================== */

:root {
  --canvas: #0C0C0D;
  --canvas-raised: #131313;
  --surface: #18171660;
  --surface-solid: #1A1918;
  --surface-hover: #211F1D;
  --hairline: #2C2A27;
  --ink: #F0EAE0;
  --ink-dim: #A89E8F;
  --ink-faint: #635B4F;
  --accent: #F5A623;
  --accent-deep: #C97F0E;
  --accent-wash: rgba(245, 166, 35, 0.12);
  --focus-ring: #F7BB53;

  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
  --font-body: 'Inter', system-ui, sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }

/* Faint CRT scanline texture — reinforces "terminal output", not decoration */
.scanlines {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.025;
  background: repeating-linear-gradient(0deg, #fff 0px, transparent 1px, transparent 3px);
}

/* ============ Top bar ============ */
.topbar {
  position: sticky; top: 0; z-index: 40;
  background: rgba(12, 12, 13, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--hairline);
}
.topbar-inner {
  max-width: 1100px; margin: 0 auto; padding: 16px 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-weight: 700; font-size: 1.05rem; }
.brand-mark { color: var(--accent); }
.brand-accent { color: var(--accent); }
.topnav { display: flex; align-items: center; gap: 22px; font-size: 0.85rem; font-family: var(--font-mono); }
.topnav a { text-decoration: none; color: var(--ink-dim); transition: color 0.15s ease; }
.topnav a:hover { color: var(--ink); }
.topnav-author {
  font-size: 0.78rem;
  padding: 6px 12px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
}
.topnav-author:hover { border-color: var(--accent); color: var(--accent) !important; }

/* ============ Hero ============ */
.hero { position: relative; z-index: 1; padding: 60px 24px 20px; }
.hero-inner { max-width: 860px; margin: 0 auto; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--accent);
  text-align: center;
  margin: 0 0 28px;
}

.input-row { display: flex; gap: 10px; }
.input-shell {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface-solid);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: 4px 16px;
  transition: border-color 0.15s ease;
}
.input-shell:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-wash); }
.prompt { color: var(--accent); font-family: var(--font-mono); font-weight: 700; }
.text-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  padding: 14px 0;
}
.text-input::placeholder { color: var(--ink-faint); }

.btn-copy {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: 0 22px;
  background: var(--accent);
  color: #1A1200;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 700;
  cursor: pointer;
  transition: filter 0.15s ease;
}
.btn-copy:hover { filter: brightness(1.1); }

.input-meta { text-align: right; margin-top: 6px; font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-faint); }

.font-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 16px;
  justify-content: center;
}
.font-tab {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid var(--hairline);
  background: transparent;
  color: var(--ink-dim);
  cursor: pointer;
  transition: all 0.15s ease;
}
.font-tab:hover { border-color: var(--ink-faint); color: var(--ink); }
.font-tab.active { background: var(--accent); border-color: var(--accent); color: #1A1200; font-weight: 700; }

.banner-shell {
  background: var(--surface-solid);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 28px;
  overflow-x: auto;
  min-height: 180px;
  display: flex;
  align-items: center;
}
.banner-output {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.15;
  color: var(--accent);
  margin: 0;
  white-space: pre;
}

/* ============ Font grid ============ */
.grid-section { position: relative; z-index: 1; max-width: 1100px; margin: 0 auto; padding: 56px 24px 100px; }
.grid-header {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 18px;
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--ink-faint);
}
.font-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 12px;
}
.font-card {
  background: var(--surface-solid);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: 18px;
  cursor: pointer;
  text-align: left;
  color: var(--ink);
  transition: border-color 0.15s ease, background 0.15s ease;
  overflow-x: auto;
}
.font-card:hover { border-color: var(--accent); background: var(--surface-hover); }
.font-card-name {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
  display: block;
}
.font-card-preview {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  line-height: 1.1;
  color: var(--accent);
  white-space: pre;
}

/* ============ API section ============ */
.api-section { position: relative; z-index: 1; border-top: 1px solid var(--hairline); background: var(--canvas-raised); padding: 72px 24px; }
.api-inner { max-width: 720px; margin: 0 auto; }
.section-title { font-family: var(--font-mono); font-size: clamp(1.4rem, 3vw, 1.9rem); font-weight: 700; margin: 0 0 12px; }
.section-lede { color: var(--ink-dim); margin: 0 0 36px; }

.endpoint-card { background: var(--surface-solid); border: 1px solid var(--hairline); border-radius: var(--radius-md); padding: 20px 22px; margin-bottom: 16px; }
.endpoint-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.endpoint-head code { font-family: var(--font-mono); font-size: 0.9rem; }
.method-badge { font-family: var(--font-mono); font-size: 0.66rem; font-weight: 700; padding: 3px 9px; border-radius: 4px; background: var(--accent-wash); color: var(--accent); }
.endpoint-desc { color: var(--ink-dim); font-size: 0.88rem; margin: 0 0 14px; }
.endpoint-desc code { font-family: var(--font-mono); font-size: 0.85em; background: var(--canvas-raised); padding: 1px 6px; border-radius: 4px; color: var(--ink); }
.code-block { background: var(--canvas); border: 1px solid var(--hairline); border-radius: var(--radius-sm); padding: 14px 16px; overflow-x: auto; margin: 0; }
.code-block code { font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent); white-space: pre; line-height: 1.6; }

/* ============ Footer / toast ============ */
.site-footer { position: relative; z-index: 1; text-align: center; padding: 28px 24px 36px; color: var(--ink-faint); font-size: 0.82rem; font-family: var(--font-mono); }
.footer-accent { color: var(--accent); }

.toast {
  position: fixed; bottom: 26px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--accent); color: #1A1200;
  font-family: var(--font-mono); font-size: 0.8rem; font-weight: 700;
  padding: 9px 20px; border-radius: 999px;
  opacity: 0; pointer-events: none; transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 100;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 640px) {
  .hero { padding: 40px 16px 10px; }
  .input-row { flex-direction: column; }
  .btn-copy { padding: 12px; }
  .banner-output { font-size: 0.6rem; }
  .font-grid { grid-template-columns: 1fr; }
}