:root{--bg:#f3f5f7;--surface:#ffffff;--text:#101828;--muted:#667085;--border:#e4e7ec;--accent:#0f766e;--accent-soft:#d1fae5;--danger:#b42318}*{box-sizing:border-box}body{margin:0;font-family:Manrope,"Segoe UI",sans-serif;background:radial-gradient(circle at top left,#eef7f5,#f7f8fa 40%,#eff2f6 100%);color:var(--text);min-height:100vh;padding:24px}.section-label{font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:8px}.controls-panel{overflow-y:auto;max-height:calc(100vh - 140px)}.preview-panel{display:flex;flex-direction:column;gap:10px}.canvas-info{font-size:.82rem;color:var(--muted);text-align:center;padding:2px 0}.align-btn{flex:1;padding:8px 4px;font-size:.82rem;border-radius:8px;border:1px solid var(--border);background:#fff;color:var(--text);cursor:pointer;transition:background .12s,border-color .12s}.align-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}.layer-list{display:flex;flex-direction:column;gap:6px;margin-top:8px}.layer-row{display:flex;align-items:center;gap:6px;padding:6px 8px;border:1px solid var(--border);border-radius:8px;background:#fafafa;cursor:pointer;transition:border-color .15s,background .15s}.layer-row.selected{border-color:var(--accent);background:#f0fdf9}.layer-row img{width:36px;height:36px;object-fit:cover;border-radius:5px;flex-shrink:0}.layer-row span{flex:1;font-size:.78rem;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.layer-row button{padding:2px 6px;font-size:.75rem;border-radius:5px;border:1px solid var(--border);background:#fff;cursor:pointer;flex-shrink:0;line-height:1.4}.layer-row button:hover{background:var(--accent);color:#fff;border-color:var(--accent)}input[type=color],input[type=file],input[type=number],input[type=range],input[type=text],select,textarea{border:1px solid var(--border);font:inherit}textarea{resize:vertical;min-height:72px;resize:vertical}button{border:1px solid var(--border);color:var(--text)}button.ghost{background:var(--accent-soft)}.preview-wrap{display:grid;place-items:center}#imagePreview,canvas{max-width:100%;max-height:74vh;display:block}.list{color:var(--muted)}@media (max-width:900px){body{padding:14px}.tool-shell{padding:16px;border-radius:14px}.layout{grid-template-columns:1fr}.preview-wrap{min-height:320px}}.tool-shell{max-width:1100px;margin:0 auto;background:color-mix(in srgb,#fff 90%,#f3faf9 10%);border:1px solid var(--border);border-radius:20px;padding:24px;box-shadow:0 16px 40px rgba(16,24,40,.08)}.tool-header h1{margin:0;font-size:clamp(1.4rem, 3vw, 2rem);letter-spacing:-.02em}.tool-header p{margin:8px 0 0;color:var(--muted)}.layout{margin-top:20px;display:grid;grid-template-columns:320px 1fr;gap:16px}.panel{border:1px solid var(--border);background:#fff;border-radius:14px;padding:14px}.control-group+.control-group{margin-top:12px}label{display:block;font-size:.86rem;color:var(--muted);margin-bottom:6px}input[type=checkbox],input[type=color],input[type=file],input[type=number],input[type=range],input[type=text],select,textarea{border:1px solid var(--border);border-radius:10px;padding:10px;font:inherit;background:#fff}input[type=file],input[type=number],input[type=text],select,textarea{width:100%}input[type=color]{width:100%;height:42px;padding:4px 6px;cursor:pointer}input[type=range]{width:100%;padding:0;cursor:pointer}input[type=checkbox]{width:auto;padding:0;margin-right:6px;vertical-align:middle}.row{display:grid;grid-template-columns:1fr 1fr;gap:8px}.btn-row{display:flex;flex-wrap:wrap;gap:8px}button{border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--text);padding:9px 14px;font:600 0.88rem/1 Manrope,sans-serif;cursor:pointer;transition:opacity .12s,transform .1s}button:active{transform:scale(.97)}button.primary{background:var(--accent);color:#fff;border-color:var(--accent)}button.ghost{background:var(--accent-soft);border-color:#b7f0db;color:#065f46}button.danger{background:#fff0f0;color:var(--danger);border-color:#ffd5d2}button.sm{padding:6px 10px;font-size:.8rem}.preview-wrap{border:1px dashed #cdd5df;border-radius:14px;background:#f8fafc;min-height:420px;display:grid;place-items:center;position:relative;overflow:auto}canvas{max-width:100%;max-height:74vh;display:block}.meta{color:var(--muted);font-size:.85rem;margin-top:8px}.badge{display:inline-flex;align-items:center;border-radius:999px;padding:4px 10px;font-size:.78rem;background:#f2f4f7;color:#344054}.list{margin:8px 0 0;padding-left:16px;color:var(--muted);font-size:.86rem;line-height:1.7}@media (max-width:900px){body{padding:14px}.tool-shell{padding:16px;border-radius:14px}.layout{grid-template-columns:1fr}.controls-panel{max-height:none}.preview-wrap{min-height:320px}}