/* ============================================================
   p5.waves Examples – Showcase design system shared styles
   Nav, footer, body layout – included by all example pages
   Load AFTER the example's own style.css so these win.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&family=Inter:wght@400;500&display=swap');

/* ── Body layout ── */
body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding-top: 56px;
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  background: #f5f5f5;
  color: #111;
}

/*
  Canvases appended directly to body by p5 global mode
  get order:1 so they appear before the footer (order:2),
  regardless of DOM insertion order.
*/
body > canvas {
  display: block;
  order: 1;
  margin: 2rem auto;
}

/* ── NAV ── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 2.5rem;
  height: 56px;
  background: rgba(245, 245, 245, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.2);
  box-sizing: border-box;
}

.nav-logo {
  font-family: 'Oswald', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #111;
  text-decoration: none;
}

.nav-logo span {
  color: #000;
  border-bottom: 2px solid #000;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: #666;
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-family: 'Oswald', sans-serif;
  font-weight: 400;
  transition: color 0.15s;
}

.nav-links a:hover,
.nav-links a.active {
  color: #000;
}

/* ── FOOTER ── */
footer {
  order: 2;
  text-align: center;
  padding: 3rem 2rem;
  border-top: 1px solid rgba(0, 0, 0, 0.2);
  color: #666;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  line-height: 1.9;
  margin-top: auto;
}

footer a {
  color: #111;
  text-decoration: underline;
  text-underline-offset: 3px;
}

footer a:hover { color: #000; }

.footer-sub {
  font-size: 0.75rem;
  color: #999;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .nav-links { display: none; }
}

/* ============================================================
   Demo two-column layout — used by examples 01–11
   ============================================================ */

.demo-page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 2rem 4rem;
}

.demo-header {
  margin-bottom: 2rem;
}

.demo-number {
  font-family: 'Oswald', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #999;
  margin-bottom: 0.3rem;
}

.demo-header h1 {
  font-family: 'Oswald', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}

.demo-header p {
  color: #555;
  font-size: 0.9rem;
  max-width: 560px;
  line-height: 1.6;
}

/* Two-column layout */
.demo-layout {
  display: grid;
  grid-template-columns: 1fr 460px;
  gap: 2rem;
  align-items: start;
}

/* ── Code panel ── */
.demo-code {
  border: 1px solid rgba(0, 0, 0, 0.15);
  background: #fff;
}

.code-label {
  font-family: 'Oswald', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #777;
  padding: 0.6rem 1rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.demo-code pre {
  margin: 0;
  padding: 1.25rem;
  overflow-x: auto;
}

.demo-code code {
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.8rem;
  line-height: 1.75;
  color: #111;
  white-space: pre;
}

/* ── Right column: canvas + settings stacked ── */
.demo-right {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ── Canvas panel ── */
.demo-canvas {
  border: 1px solid rgba(0, 0, 0, 0.15);
  background: #f5f5f5;
  width: 460px;
  height: 460px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.demo-canvas canvas {
  display: block !important;
  margin: 0 !important;
}

@media (max-width: 1080px) {
  .demo-layout {
    grid-template-columns: 1fr;
  }
  .demo-canvas {
    width: 100%;
    height: auto;
    aspect-ratio: 1;
  }
}