/* Homepage-only layout: particle canvas, fx HUD/panel, play mode,
   intro, skills grid, misc home content. */

/* Particle canvas sits behind everything; never intercepts input */
#fx {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.fx-hud {
  color: var(--color-text-muted);
  font-size: var(--text-min);
  letter-spacing: 0.08em;
  text-align: right;
  min-height: 16px;
  margin-bottom: 0.3rem;
}

/* ---------- fx control panel ----------
   Desktop: floating panel bottom-right.
   Phones: full-width bottom sheet with a scrollable body and sticky head. */
#fx-panel {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 300px;
  max-height: min(80vh, 40rem);
  overflow-y: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-control-border);
  padding: 0 1.1rem 1rem;
  z-index: 10000;
  font-size: var(--text-small);
}

.fxp-head {
  position: sticky;
  top: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-surface);
  padding: 0.9rem 0 0.7rem;
  margin-bottom: 0.4rem;
  border-bottom: 1px solid var(--color-border);
}
.fxp-title {
  color: var(--color-warning);
  font-size: var(--text-min);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.fxp-row { margin-bottom: 0.75rem; }
.fxp-row:last-child { margin-bottom: 0; }
.fxp-row label {
  display: block;
  color: var(--color-text-soft);
  font-size: var(--text-small);
  margin-bottom: 0.25rem;
  letter-spacing: 0.04em;
}
.fxp-val { color: var(--color-text-muted); font-size: var(--text-min); }
.fxp-row input[type="range"] {
  width: 100%;
  accent-color: var(--color-accent);
}
.fxp-row select {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-control-border);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: var(--text-small);
  padding: 0.3rem 0.25rem;
}

.fxp-btns { display: flex; gap: 0.4rem; flex-wrap: wrap; }

/* ---------- play mode: hide the page, keep the toy ---------- */
body.play-mode .shell { display: none; }
#play-bar {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 10001;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-control-border);
  padding: 0.5rem 0.7rem;
}
#play-bar .fx-hud { margin: 0; min-height: 0; }

/* ---------- home content ---------- */
.home-intro {
  margin-bottom: 2.5rem;
  max-width: var(--measure);
}
.home-intro p {
  color: var(--color-text-soft);
  font-size: var(--text-body);
  line-height: var(--leading-reading);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  max-width: 45rem;
}
.skills-col .block-label { margin-bottom: 0.6rem; }
.skills-col ul {
  list-style: none;
  font-size: var(--text-small);
  line-height: 2;
}
.skills-col ul li::before {
  content: '>';
  color: var(--color-text-muted);
  margin-right: 0.5rem;
}

.more-link {
  margin-top: 1.5rem;
  color: var(--color-text-muted);
  font-size: var(--text-min);
}

#browser-demo {
  margin-top: 3rem;
  scroll-margin-top: 1.5rem;
}

.contact-meta {
  margin-top: 2rem;
  color: var(--color-text-muted);
  font-size: var(--text-min);
  line-height: 1.8;
}

/* ---------- phone layout ---------- */
@media (max-width: 599px) {
  .section-desc { display: none; }

  /* play mode is a desktop toy — the effects sheet still has everything */
  #fx-play { display: none; }

  #fx-panel {
    left: 0;
    right: 0;
    bottom: 0;
    width: auto;
    max-height: 70vh;
    max-height: 70dvh;
    border-left: none;
    border-right: none;
    border-bottom: none;
    padding-bottom: calc(1rem + env(safe-area-inset-bottom));
  }

  #play-bar { left: 0.8rem; right: 0.8rem; flex-wrap: wrap; justify-content: flex-end; }
}