.watermark-shell{max-width:1080px}.watermark-workspace{display:none;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 18px 55px #17395b12;background:#fff}.watermark-workspace.active{display:grid;grid-template-columns:1.15fr .85fr}.watermark-preview{background:#eaf0f5;padding:24px;min-width:0}.watermark-preview canvas{display:block;max-width:100%;max-height:470px;margin:auto;background:#fff;box-shadow:0 8px 25px #17395b20}.file-strip{display:flex;gap:8px;overflow:auto;margin-top:16px;padding-bottom:4px}.file-thumb{flex:0 0 62px;height:62px;border:2px solid transparent;border-radius:9px;padding:0;overflow:hidden;background:#fff;cursor:pointer}.file-thumb.active{border-color:var(--blue)}.file-thumb img{width:100%;height:100%;object-fit:cover}.watermark-controls{padding:28px;min-width:0}.watermark-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:20px}.watermark-tabs button{border:1px solid var(--line);background:#fff;border-radius:9px;padding:11px;font-weight:800;cursor:pointer}.watermark-tabs button.active{color:var(--blue);border-color:var(--blue);background:#edf5ff}.control-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.position-grid{display:grid;grid-template-columns:repeat(3,38px);gap:5px;margin:10px 0 18px}.position-grid button{width:38px;height:34px;border:1px solid var(--line);border-radius:7px;background:#fff;cursor:pointer}.position-grid button.active{background:var(--blue);border-color:var(--blue);color:#fff}.batch-summary{font-size:13px;color:var(--muted);margin:12px 0}.secondary-action{width:100%;border:1px solid var(--line);border-radius:10px;padding:12px;background:#fff;color:var(--ink);font-weight:800;cursor:pointer;margin-top:8px}.logo-preview{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12px;margin:10px 0}.logo-preview img{width:42px;height:42px;object-fit:contain;border:1px solid var(--line);border-radius:6px}.status-message{min-height:18px;color:var(--muted);font-size:12px;text-align:center;margin-top:10px}.field input[type=color]{height:43px;padding:5px}.field input[type=range]{padding:8px 0;border:0}.toggle-row{display:flex;align-items:center;gap:8px;margin:14px 0;color:var(--muted);font-size:13px}.toggle-row input{accent-color:var(--blue)}@media(max-width:780px){.watermark-workspace.active{grid-template-columns:1fr}.watermark-preview{padding:16px}.watermark-controls{padding:22px}.control-grid{grid-template-columns:1fr}.dropzone{min-height:260px;padding:25px}.dropzone small{text-align:center;line-height:1.5}}