/* Type Pairing Tool */

:root {
  --font-body: 'Space Grotesk', system-ui, sans-serif;
}

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;
}

.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); }
.btn-ghost.copied { border-color: var(--cyan); color: var(--cyan); }

/* ── PREVIEW ─────────────────────────────────────────────── */

.preview-section {
  flex: 1;
  padding: 4rem 2rem;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.preview-layout {
  width: 100%;
  max-width: 760px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.preview-headline {
  line-height: 1.05;
  color: var(--cloud);
  outline: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
  padding-bottom: 0.25rem;
}
.preview-headline:focus { border-color: var(--violet-deep); }

.preview-body {
  line-height: 1.7;
  color: var(--violet-muted);
  outline: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s, color 0.15s;
  padding-bottom: 0.25rem;
}
.preview-body:focus { border-color: var(--violet-deep); color: var(--cloud); }

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

.controls-section {
  background: var(--slate-panel);
  border-top: 1px solid var(--slate-raised);
  padding: 1.75rem 2rem 2rem;
}

.controls-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 900px;
  margin-bottom: 1.75rem;
}

.font-col { display: flex; flex-direction: column; gap: 0.9rem; }

.col-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--violet);
  margin: 0;
}

.ctrl-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--violet-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.3rem;
}

.val-badge {
  color: var(--violet-bright);
  font-weight: 500;
  font-size: 0.7rem;
}

.font-select {
  background: var(--slate-raised);
  border: 1px solid var(--slate-raised);
  color: var(--cloud);
  font: 500 0.875rem var(--font-body);
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  width: 100%;
  cursor: pointer;
  transition: border-color 0.15s;
}
.font-select:hover { border-color: var(--violet-deep); }
.font-select:focus { outline: 2px solid var(--cyan); outline-offset: 2px; }
optgroup { color: var(--violet-muted); background: var(--slate); }
option   { color: var(--cloud); background: var(--slate-panel); }

.slider-row { display: flex; flex-direction: column; }

.ctrl-range {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 0.3rem;
  background: var(--slate-raised);
  border-radius: 999px; cursor: pointer; margin-top: 0.4rem;
}
.ctrl-range::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 0.9rem; height: 0.9rem; border-radius: 50%;
  background: var(--violet); border: 2px solid var(--cloud);
}
.ctrl-range::-moz-range-thumb {
  width: 0.9rem; height: 0.9rem; border-radius: 50%;
  background: var(--violet); border: 2px solid var(--cloud);
}

/* ── QUICK PAIRS ─────────────────────────────────────────── */

.quick-pairs {
  border-top: 1px solid var(--slate-raised);
  padding-top: 1.25rem;
  max-width: 900px;
}

.pairs-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.6rem;
}

.pair-chip {
  background: var(--slate-raised);
  border: 1px solid transparent;
  color: var(--violet-muted);
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.pair-chip:hover { border-color: var(--violet); color: var(--cloud); }
.pair-chip.is-active { border-color: var(--cyan); color: var(--cyan); }

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

.site-footer {
  padding: 1rem 2rem;
  border-top: 1px solid var(--slate-raised);
  font-size: 0.75rem;
}
.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) {
  .controls-grid { grid-template-columns: 1fr; }
  .preview-section { padding: 2.5rem 1.25rem; }
  .controls-section { padding: 1.25rem; }
  .site-header { padding: 0.9rem 1.25rem; }
}