.qcard-tool-wrapper { --p-bg: #ffffff; --p-border: #e2e8f0; --p-primary: #6366f1; --p-text: #0f172a; width: 100%; max-width: 1000px; margin: 0 auto; background: var(--p-bg); border-radius: 24px; padding: 32px; box-shadow: 0 10px 25px -5px rgba(0,0,0,0.05); border: 1px solid var(--p-border); }
.qcard-header { font-size: 1.5rem; font-weight: 600; color: var(--p-text); margin-bottom: 8px; display: flex; align-items: center; justify-content: center; gap: 12px; }
.qcard-subtitle { color: #64748b; font-size: 0.95rem; padding-bottom: 16px; border-bottom: 1px solid var(--p-border); margin-bottom: 24px; text-align: center; }

.qcard-layout { display: grid; grid-template-columns: 350px 1fr; gap: 32px; align-items: start; }
@media(max-width: 800px) { .qcard-layout { grid-template-columns: 1fr; } }

/* 左侧控制台 */
.qcard-controls { display: flex; flex-direction: column; gap: 20px; background: #f8fafc; padding: 24px; border-radius: 16px; border: 1px solid var(--p-border); }
.qcard-form-group { display: flex; flex-direction: column; gap: 8px; }
.qcard-label { font-size: 0.9rem; font-weight: 600; color: #475569; }
.qcard-textarea, .qcard-input { width: 100%; padding: 12px; border: 1px solid #cbd5e1; border-radius: 12px; outline: none; font-family: inherit; font-size: 1rem; color: var(--p-text); background: var(--p-bg); transition: 0.2s; }
.qcard-textarea:focus, .qcard-input:focus { border-color: var(--p-primary); box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1); }
.qcard-textarea { resize: vertical; min-height: 120px; }

/* 渐变色选色器 */
.qcard-colors { display: flex; flex-wrap: wrap; gap: 12px; }
.qcard-color-btn { width: 40px; height: 40px; border-radius: 50%; border: 2px solid transparent; cursor: pointer; transition: 0.2s; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
.qcard-color-btn:hover { transform: scale(1.1); }
.qcard-color-btn.active { border-color: var(--p-text); transform: scale(1.1); }

/* 滑块 */
.qcard-slider-wrap { display: flex; align-items: center; gap: 12px; }
.qcard-slider { flex: 1; accent-color: var(--p-primary); cursor: pointer; }
.qcard-slider-val { font-weight: bold; color: var(--p-primary); width: 36px; text-align: right; }

/* 下载按钮 */
.qcard-download-btn { width: 100%; padding: 14px; background: var(--p-primary); color: white; border: none; border-radius: 12px; font-size: 1.1rem; font-weight: 600; cursor: pointer; transition: 0.2s; box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3); display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 10px; }
.qcard-download-btn:hover { background: #4f46e5; transform: translateY(-2px); }

/* 右侧预览区 */
.qcard-preview-zone { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.qcard-preview-title { font-size: 0.9rem; font-weight: 600; color: #64748b; letter-spacing: 1px; text-transform: uppercase; }
.qcard-canvas-container { width: 100%; max-width: 450px; aspect-ratio: 1/1; border-radius: 20px; overflow: hidden; box-shadow: 0 20px 40px rgba(0,0,0,0.15); transition: 0.3s; }
.qcard-canvas-container canvas { width: 100%; height: 100%; display: block; }

/* 黑夜模式 */
[data-theme="dark"] .qcard-tool-wrapper { background: #1e293b !important; border-color: #334155 !important; }
[data-theme="dark"] .qcard-controls { background: #0f172a; border-color: #334155; }
[data-theme="dark"] .qcard-label, [data-theme="dark"] .qcard-preview-title { color: #94a3b8; }
[data-theme="dark"] .qcard-textarea, [data-theme="dark"] .qcard-input { background: #1e293b; border-color: #475569; color: #f8fafc; }
[data-theme="dark"] .qcard-textarea:focus, [data-theme="dark"] .qcard-input:focus { border-color: var(--p-primary); }