/* ========================================
   FILM GRAIN
   ======================================== */

/* Noise type segmented buttons */
.fg-noise-group {
  display: flex;
  gap: 2px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 3px;
}

.fg-noise-btn {
  flex: 1;
  appearance: none;
  background: none;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 6px 0;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  font-family: var(--font-body);
  transition: border-color 0.15s, color 0.15s, background 0.15s;
  letter-spacing: 0.01em;
}

.fg-noise-btn:hover {
  color: var(--text);
  border-color: var(--line);
}

.fg-noise-btn.active {
  color: var(--accent);
  background: rgba(171, 255, 203, 0.1);
  border-color: rgba(171, 255, 203, 0.25);
}

/* Shape segmented buttons */
.fg-shape-group {
  display: flex;
  gap: 2px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 3px;
}

.fg-shape-btn {
  flex: 1;
  appearance: none;
  background: none;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 6px 0;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  font-family: var(--font-body);
  transition: border-color 0.15s, color 0.15s, background 0.15s;
  letter-spacing: 0.01em;
}

.fg-shape-btn:hover {
  color: var(--text);
  border-color: var(--line);
}

.fg-shape-btn.active {
  color: var(--accent);
  background: rgba(171, 255, 203, 0.1);
  border-color: rgba(171, 255, 203, 0.25);
}

/* Seed row */
.fg-seed-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.fg-seed-input {
  flex: 1;
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 0.76rem;
  font-weight: 500;
  font-family: var(--font-body);
  letter-spacing: 0.02em;
  transition: border-color 160ms ease;
}

.fg-seed-input:focus {
  border-color: rgba(171, 255, 203, 0.35);
  outline: none;
}

.fg-seed-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 0.78rem;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  white-space: nowrap;
}

.fg-seed-btn:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
}

/* Presets */
.fg-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.fg-preset-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.62rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
  font-family: var(--font-body);
}

.fg-preset-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}