/* 艺术二维码生成器 */
.artqr-grid { display: grid; grid-template-columns: 400px minmax(0, 1fr); gap: 20px; align-items: start; }
.artqr-panel { background: var(--bg); border: 1px solid var(--rule); border-radius: var(--radius-md); padding: 20px; }
.artqr-section { margin-bottom: 20px; }
.artqr-section:last-child { margin-bottom: 0; }
.artqr-section h3 { display: flex; align-items: center; gap: 6px; font-size: .95rem; margin: 0 0 12px; }
.artqr-section h3 i { color: var(--accent); }

.artqr-form-group { margin-bottom: 14px; }
.artqr-form-group > label { display: block; font-size: .85rem; color: var(--muted); margin-bottom: 6px; }
.artqr-form-group input[type="text"], .artqr-form-group select { width: 100%; padding: 9px 12px; border: 1px solid var(--rule); border-radius: var(--radius-sm); background: var(--bg); color: var(--ink); font-size: .9rem; box-sizing: border-box; }
.artqr-form-group input:focus, .artqr-form-group select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.artqr-form-group input[type="range"] { width: 100%; accent-color: var(--accent); }

.artqr-style-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.artqr-style-card { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 6px; border: 2px solid var(--rule); border-radius: var(--radius-sm); background: var(--bg2); cursor: pointer; transition: all .15s ease; }
.artqr-style-preview { width: 100%; aspect-ratio: 1; border-radius: 6px; display: block; }
.artqr-style-name { font-size: .76rem; color: var(--muted); }
.artqr-style-card:hover { border-color: var(--accent); }
.artqr-style-card.active { border-color: var(--accent); background: var(--accent-soft); }
.artqr-style-card.active .artqr-style-name { color: var(--accent); font-weight: 600; }
.artqr-preview-liquid { background: linear-gradient(135deg, #667eea, #764ba2); border-radius: 12px; }
.artqr-preview-pixel { background: repeating-conic-gradient(#000 0 25%, #fff 0 50%) 0 0 / 8px 8px; image-rendering: pixelated; }
.artqr-preview-glitch { background: linear-gradient(90deg, #ff0000, #00ff00, #0000ff); }
.artqr-preview-neon { background: #0a0a0a; box-shadow: inset 0 0 10px #00ffff; }

.artqr-color-group { display: flex; gap: 8px; }
.artqr-color-group input[type="color"] { width: 42px; height: 38px; padding: 2px; border: 1px solid var(--rule); border-radius: var(--radius-sm); background: var(--bg); cursor: pointer; flex-shrink: 0; }
.artqr-color-group input[type="text"] { flex: 1; min-width: 0; }
.artqr-logo-preview { margin-top: 10px; display: flex; align-items: center; gap: 10px; }
.artqr-logo-preview img { max-width: 72px; max-height: 72px; border-radius: 8px; border: 2px solid var(--rule); }

.artqr-actions { display: flex; gap: 10px; }
.artqr-actions .btn { flex: 1; justify-content: center; }

.artqr-preview-box { min-height: 440px; display: flex; align-items: center; justify-content: center; background: var(--bg2); border: 1px dashed var(--rule); border-radius: var(--radius-sm); padding: 20px; }
.artqr-placeholder { text-align: center; color: var(--muted); }
.artqr-placeholder i { font-size: 3rem; color: var(--accent); display: block; margin-bottom: 12px; opacity: .7; }

.artqr-tip { margin-top: 16px; display: flex; gap: 8px; padding: 10px 14px; background: var(--accent-soft); border-radius: var(--radius-sm); font-size: .82rem; color: var(--muted); align-items: flex-start; }
.artqr-tip i { color: var(--accent); margin-top: 2px; flex-shrink: 0; }

.btn-xs { padding: 4px 10px; font-size: .76rem; }

@media (max-width: 900px) {
  .artqr-grid { grid-template-columns: 1fr; }
  .artqr-style-grid { grid-template-columns: repeat(4, 1fr); }
}