/* Generative Lettering */

:root {
  --font-body: 'Space Grotesk', system-ui, sans-serif;
  --glow: rgba(139, 92, 246, 0.2);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--slate);
  color: var(--cloud);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

/* ── SKIP + HEADER ───────────────────────────────────────── */

.skip-link {
  position: absolute; top: -4rem; left: 1rem;
  background: var(--violet); color: var(--cloud);
  padding: 0.5rem 1rem; border-radius: 0 0 0.5rem 0.5rem;
  font-size: 0.875rem; text-decoration: none; z-index: 200;
  transition: top 0.15s;
}
.skip-link:focus { top: 0; }

.site-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--slate-raised);
  gap: 1rem;
  flex-shrink: 0;
}

.brand { display: flex; align-items: center; gap: 0.6rem; font-size: 0.8rem; }
.back-link { color: var(--violet-muted); text-decoration: none; transition: color 0.15s; }
.back-link:hover { color: var(--cloud); }
.brand-sep { color: var(--slate-raised); }
.brand-name { color: var(--violet-bright); font-weight: 600; }

.header-actions { display: flex; gap: 0.5rem; }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--slate-raised);
  color: var(--violet-muted);
  padding: 0.4rem 0.85rem;
  border-radius: 0.5rem;
  font: 500 0.78rem var(--font-body);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.btn-ghost:hover { border-color: var(--violet); color: var(--cloud); }

/* ── MAIN LAYOUT ─────────────────────────────────────────── */

.main-layout {
  flex: 1;
  display: flex;
  min-height: 0;
}

#canvas-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--slate);
  padding: 1.5rem;
  min-width: 0;
  overflow: hidden;
}

#canvas-wrap canvas {
  max-width: 100%;
  max-height: 100%;
  display: block;
  border-radius: 0.5rem;
  box-shadow: 0 0 48px var(--glow);
}

/* ── CONTROLS PANEL ──────────────────────────────────────── */

.controls-panel {
  width: 260px;
  flex-shrink: 0;
  background: var(--slate-panel);
  border-left: 1px solid var(--slate-raised);
  padding: 1.25rem;
  overflow-y: auto;
}

/* Tweakpane v3 theme overrides */
#tweakpane-root .tp-dfwv {
  width: 100% !important;
}

/* ── FOOTER ──────────────────────────────────────────────── */

.site-footer {
  padding: 1rem 2rem;
  border-top: 1px solid var(--slate-raised);
  font-size: 0.75rem;
  flex-shrink: 0;
}
.site-footer a { color: var(--violet-muted); text-decoration: none; transition: color 0.15s; }
.site-footer a:hover { color: var(--cloud); }

/* ── RESPONSIVE ──────────────────────────────────────────── */

@media (max-width: 700px) {
  .main-layout { flex-direction: column; }
  .controls-panel { width: 100%; border-left: none; border-top: 1px solid var(--slate-raised); }
  #canvas-wrap { padding: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}