/* Layout */
.sg-container {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 1.5rem;
  align-items: start;
}
@media (max-width: 860px) {
  .sg-container { grid-template-columns: 1fr; }
}

/* Controls column */
.sg-section-label {
  font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.07em;
  opacity: 0.5; font-weight: 700; margin-bottom: 0.75rem;
}
.sg-presets-card { padding: 1rem; margin-bottom: 1rem; }
.sg-preset-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.5rem;
}
.sg-preset-btn {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  color: inherit; border-radius: 8px; padding: 0.45rem 0.4rem;
  font-size: 0.8rem; font-weight: 600; cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.sg-preset-btn:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.2); }

/* Layers */
.sg-layers-card { padding: 1rem; margin-bottom: 1rem; }
.sg-layer-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.75rem; }
.sg-add-layer { font-size: 0.8rem; padding: 0.3rem 0.75rem; }
.sg-layer-list { display: flex; flex-direction: column; gap: 0.75rem; }

/* Single layer row */
.sg-layer {
  background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px; padding: 0.9rem;
}
.sg-layer-top {
  display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.75rem;
}
.sg-layer-eye {
  background: none; border: none; cursor: pointer; font-size: 1rem;
  opacity: 0.6; transition: opacity 0.15s; padding: 0; line-height: 1;
}
.sg-layer-eye:hover { opacity: 1; }
.sg-layer-title { font-size: 0.82rem; font-weight: 600; flex: 1; }
.sg-layer-inset { font-size: 0.72rem; padding: 0.2rem 0.6rem; }
.sg-layer-del {
  background: none; border: none; cursor: pointer; color: #ff6b6b;
  font-size: 1rem; opacity: 0.5; transition: opacity 0.15s; padding: 0; line-height: 1;
}
.sg-layer-del:hover { opacity: 1; }

.sg-sliders { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem 1rem; }
.sg-slider-row { display: flex; flex-direction: column; gap: 0.25rem; }
.sg-slider-label {
  display: flex; justify-content: space-between;
  font-size: 0.72rem; opacity: 0.6;
}
.sg-slider-val { font-family: monospace; font-size: 0.72rem; }
.sg-slider {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 4px; border-radius: 2px;
  background: rgba(255,255,255,0.15); outline: none; cursor: pointer;
}
.sg-slider::-webkit-slider-thumb {
  -webkit-appearance: none; width: 14px; height: 14px;
  border-radius: 50%; background: var(--accent); cursor: pointer;
  border: 2px solid rgba(255,255,255,0.2);
}
.sg-color-row-inner { display: flex; align-items: center; gap: 0.5rem; margin-top: 0.25rem; }
.sg-opacity-slider { grid-column: span 2; }

/* Background card */
.sg-bg-card { padding: 1rem; }
.sg-bg-row { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }
.sg-small-hex {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 7px; padding: 0.35rem 0.6rem;
  color: inherit; font-family: monospace; font-size: 0.85rem; font-weight: 700;
  width: 90px; text-transform: uppercase; outline: none;
}
.sg-bg-presets { display: flex; gap: 0.4rem; }
.sg-bg-dot {
  width: 22px; height: 22px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.2);
  cursor: pointer; transition: transform 0.1s;
}
.sg-bg-dot:hover { transform: scale(1.2); }

/* Preview column */
.sg-preview-card { padding: 1.5rem; margin-bottom: 1rem; }
.sg-preview-box {
  width: 100%; min-height: 220px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px; transition: background 0.2s;
}
.sg-box {
  width: 140px; height: 100px; border-radius: 12px;
  background: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 700; color: #1a1d2e;
  transition: box-shadow 0.2s;
}

.sg-mode-tabs { display: flex; gap: 0.5rem; margin-bottom: 1rem; }
.sg-mode-tab {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  color: inherit; border-radius: 7px; padding: 0.4rem 0.9rem; flex: 1;
  font-size: 0.85rem; font-weight: 600; cursor: pointer; transition: background 0.15s;
}
.sg-mode-tab.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.sg-box.sg-text-mode {
  width: auto; height: auto; background: transparent; box-shadow: none !important;
  font-size: 2.6rem; color: #fff; padding: 0;
}

/* Code output */
.sg-code-card { padding: 1rem; }
.sg-code-tabs { display: flex; gap: 0.5rem; margin-bottom: 0.75rem; }
.sg-code-tab {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  color: inherit; border-radius: 7px; padding: 0.3rem 0.75rem;
  font-size: 0.8rem; font-weight: 600; cursor: pointer; transition: background 0.15s;
}
.sg-code-tab.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.sg-code-wrap { position: relative; }
.sg-code {
  background: rgba(0,0,0,0.3); border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px; padding: 1rem 1rem 1rem 1rem;
  font-size: 0.82rem; font-family: 'SF Mono', 'Fira Code', monospace;
  white-space: pre-wrap; word-break: break-all; overflow-x: auto;
  margin: 0; min-height: 60px; line-height: 1.7;
  padding-right: 4.5rem;
}
.sg-copy-btn {
  position: absolute; top: 0.6rem; right: 0.6rem;
  font-size: 0.78rem; padding: 0.3rem 0.7rem;
}