*{margin:0;padding:0;box-sizing:border-box}:root{--sidebar-width: 230px;--color-bg: #f5f6fa;--color-sidebar: #1a1d2e;--color-sidebar-hover: #262a3e;--color-sidebar-active: #2d3148;--color-primary: #4f6ef7;--color-primary-hover: #3b5ae0;--color-text: #333;--color-text-light: #999;--color-border: #e2e4ea;--color-white: #fff;--color-danger: #e74c3c}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--color-bg);color:var(--color-text);height:100vh;overflow:hidden}#root{height:100vh;display:flex}.sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);background:var(--color-sidebar);color:#fff;display:flex;flex-direction:column;padding:0}.sidebar-header{padding:24px 20px 20px;border-bottom:1px solid rgba(255,255,255,.08)}.sidebar-header h1{font-size:20px;font-weight:700;letter-spacing:.5px}.sidebar-header p{font-size:11px;color:#fff6;margin-top:4px}.sidebar-nav{padding:12px 8px;flex:1}.sidebar-label{font-size:10px;text-transform:uppercase;letter-spacing:1px;color:#ffffff59;padding:8px 12px 6px}.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;cursor:pointer;font-size:14px;transition:background .15s;-webkit-user-select:none;user-select:none}.nav-item:hover{background:var(--color-sidebar-hover)}.nav-item.active{background:var(--color-sidebar-active);font-weight:500}.nav-item.disabled{opacity:.35;cursor:not-allowed}.nav-item.disabled:hover{background:none}.nav-badge{font-size:10px;background:#ffffff1a;padding:2px 6px;border-radius:4px;margin-left:auto}.main-content{flex:1;overflow-y:auto;padding:32px 40px}.main-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:28px}.main-header>div{flex:1}.page-title{font-size:22px;font-weight:600;margin-bottom:4px}.page-subtitle{font-size:13px;color:var(--color-text-light)}.lang-switch{flex-shrink:0;margin-left:16px;padding:6px 14px;border:1px solid var(--color-border);border-radius:6px;background:var(--color-white);color:var(--color-text);font-size:13px;font-weight:500;cursor:pointer;transition:border-color .2s,background .2s}.lang-switch:hover{border-color:var(--color-primary);background:#f0f3ff}.upload-section{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:24px}.upload-card{background:var(--color-white);border:2px dashed var(--color-border);border-radius:12px;padding:24px;text-align:center;cursor:pointer;transition:border-color .2s,background .2s;position:relative;min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center}.upload-card:hover{border-color:var(--color-primary);background:#f0f3ff}.upload-card.has-image{border-style:solid;border-color:var(--color-primary);padding:8px}.upload-card .upload-icon{font-size:36px;margin-bottom:8px;color:var(--color-primary)}.upload-card .upload-label{font-size:14px;font-weight:500;margin-bottom:4px}.upload-card .upload-hint{font-size:12px;color:var(--color-text-light)}.upload-card input[type=file]{display:none}.upload-preview{width:100%;height:100%;max-height:250px;object-fit:contain;border-radius:8px}.upload-remove{position:absolute;top:8px;right:8px;width:26px;height:26px;border-radius:50%;background:var(--color-danger);color:#fff;border:none;cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .15s}.upload-card:hover .upload-remove{opacity:1}.options-section{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:0}.description-section{margin-top:20px;margin-bottom:28px}.form-group label{display:block;font-size:13px;font-weight:500;margin-bottom:6px;color:var(--color-text)}.form-group select,.form-group textarea{width:100%;padding:10px 12px;border:1px solid var(--color-border);border-radius:8px;font-size:14px;font-family:inherit;background:var(--color-white);color:var(--color-text);outline:none;transition:border-color .2s}.form-group select:focus,.form-group textarea:focus{border-color:var(--color-primary)}.form-group textarea{resize:vertical;min-height:70px}.run-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 32px;background:var(--color-primary);color:#fff;border:none;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;transition:background .2s}.run-btn:hover:not(:disabled){background:var(--color-primary-hover)}.run-btn:disabled{opacity:.5;cursor:not-allowed}.result-section{margin-top:32px;padding-top:28px;border-top:1px solid var(--color-border)}.result-title{font-size:16px;font-weight:600;margin-bottom:16px}.result-image-wrapper{background:var(--color-white);border:1px solid var(--color-border);border-radius:12px;padding:12px;display:inline-block;max-width:100%}.result-image{max-width:100%;max-height:500px;border-radius:8px;display:block}.download-btn{display:inline-flex;align-items:center;gap:6px;margin-top:12px;padding:8px 20px;background:var(--color-white);color:var(--color-primary);border:1px solid var(--color-primary);border-radius:8px;font-size:13px;font-weight:500;cursor:pointer;transition:background .15s;text-decoration:none}.download-btn:hover{background:#f0f3ff}.error-msg{margin-top:16px;padding:12px 16px;background:#fdecea;color:var(--color-danger);border-radius:8px;font-size:13px}.spinner{display:inline-block;width:18px;height:18px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}