:root{--ink:#171717;--muted:#727272;--line:#e7e5e0;--paper:#fff;--bg:#f2f1ed;--accent:#6d4aff;--danger:#d83b3b;--shadow:0 12px 45px rgba(25,20,10,.11)}*{box-sizing:border-box}html,body{margin:0;height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink)}button,input{font:inherit}button{cursor:pointer}.login-page{background:radial-gradient(circle at 20% 15%,#ede7ff 0,transparent 32%),radial-gradient(circle at 85% 85%,#ddf4eb 0,transparent 30%),#f7f6f2;display:grid;place-items:center}.login-shell{width:min(440px,calc(100% - 32px))}.login-card{background:rgba(255,255,255,.92);padding:44px;border:1px solid rgba(255,255,255,.9);border-radius:24px;box-shadow:var(--shadow);backdrop-filter:blur(18px)}.brand-mark{width:48px;height:48px;border-radius:15px;background:var(--ink);color:#fff;display:grid;place-items:center;font:bold 23px Georgia;margin-bottom:26px}.brand-mark.small{width:34px;height:34px;border-radius:10px;margin:0;font-size:17px}.eyebrow{font-size:11px;letter-spacing:.2em;font-weight:800;color:var(--accent);margin:0 0 9px}.login-card h1{font:700 32px Georgia,serif;margin:0 0 10px}.muted{color:var(--muted);line-height:1.5;margin:0 0 28px}.login-form{display:grid;gap:18px}.login-form label{font-size:13px;font-weight:700}.login-form input{display:block;width:100%;margin-top:8px;border:1px solid var(--line);border-radius:10px;padding:13px 14px;outline:none;background:#fafafa}.login-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #6d4aff1c;background:#fff}.primary{border:0;border-radius:9px;background:var(--ink);color:#fff;padding:10px 15px;font-weight:700}.wide{width:100%;padding:14px;display:flex;justify-content:center;gap:12px}.alert{padding:11px 13px;border-radius:8px;background:#fff0f0;color:#a32424;font-size:13px;margin-bottom:20px}.login-hint{text-align:center;color:var(--muted);font-size:12px;margin:20px 0 0}.login-hint code{color:var(--ink)}
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270px}.toolbar,.properties{background:#fff;z-index:10}.toolbar{border-right:1px solid var(--line);display:flex;flex-direction:column;align-items:center;padding:13px 8px;gap:5px}.tool{width:56px;padding:8px 3px;border:0;border-radius:9px;background:transparent;color:#595959}.tool span{display:block;font-size:22px;line-height:24px}.tool small,.color-tool small,.width-tool small{font-size:10px;display:block;margin-top:3px}.tool:hover,.tool.active{background:#efecff;color:#5335dd}.tool-divider{height:1px;width:38px;background:var(--line);margin:7px}.color-tool,.width-tool{width:56px;text-align:center;font-size:10px;color:var(--muted);cursor:pointer}.color-tool input{position:absolute;opacity:0;pointer-events:none}.color-tool span{display:block;width:23px;height:23px;border-radius:50%;background:#171717;margin:auto;border:3px solid #fff;box-shadow:0 0 0 1px #bbb}.width-tool input{width:48px;accent-color:var(--ink)}.width-tool span{font-weight:700;color:var(--ink)}.properties{border-left:1px solid var(--line);padding:18px;overflow:auto}.panel-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:14px}.panel-head h3{font:700 17px Georgia,serif;margin:0}.no-selection{text-align:center;color:#999;padding:70px 12px}.no-selection span{font-size:35px}.no-selection p{font-size:12px;line-height:1.6}.control-label{font-size:10px;letter-spacing:.14em;font-weight:800;color:#999;margin:22px 0 10px}.button-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px}.button-grid button{border:1px solid var(--line);background:#fafafa;border-radius:8px;padding:9px;font-size:18px}.button-grid small{font-size:9px;display:block;margin-top:3px}.field{font-size:12px;font-weight:700;display:block;margin-top:17px}.field output{float:right;color:var(--muted);font-weight:400}.field input{display:block;width:100%;margin-top:11px;accent-color:var(--accent)}.row-buttons{display:flex;gap:6px}.row-buttons button{flex:1;border:1px solid var(--line);background:#fff;border-radius:7px;padding:8px 4px;font-size:10px}.tips{background:#f7f5ef;border-radius:10px;padding:12px;margin-top:28px;font-size:11px}.tips p{color:var(--muted);line-height:1.6;margin:7px 0 0}.stage-area{position:relative;overflow:auto;padding:70px;background-color:#eeede9;background-image:radial-gradient(#cfcdc6 .7px,transparent .7px);background-size:16px 16px}.canvas-wrap{position:relative;width:max-content;margin:auto;box-shadow:0 5px 28px rgba(35,30,20,.12)}canvas{display:block;background:#fff;outline:none;touch-action:none}.empty-hint{position:fixed;left:calc(50% + 37px);top:50%;transform:translate(-50%,-45%);text-align:center;pointer-events:none;color:#777}.paste-icon{width:58px;height:58px;border:1px dashed #aaa;border-radius:16px;display:grid;place-items:center;margin:auto;font-size:25px;background:#ffffffa8}.empty-hint h2{font:700 20px Georgia,serif;color:#333;margin:15px 0 6px}.empty-hint p{font-size:12px}.empty-hint kbd,.tips kbd{background:#fff;border:1px solid #ddd;border-bottom-width:2px;border-radius:4px;padding:2px 5px}.upload-button{display:inline-block;pointer-events:auto;border:1px solid var(--line);background:#fff;border-radius:8px;padding:9px 12px;font-size:11px;color:#333;cursor:pointer;margin-top:8px}.resize-handle{position:absolute;border:0;background:#302f2d;color:#fff;z-index:3;opacity:.8}.resize-right{right:-18px;top:50%;transform:translateY(-50%);width:18px;height:54px;border-radius:0 7px 7px 0}.resize-bottom{bottom:-18px;left:50%;transform:translateX(-50%);height:18px;width:54px;border-radius:0 0 7px 7px}.resize-corner{right:-18px;bottom:-18px;width:18px;height:18px;border-radius:0 0 5px}.zoom-bar{position:fixed;bottom:17px;left:95px;background:#fff;border:1px solid var(--line);box-shadow:0 4px 15px #00000012;border-radius:8px;display:flex;align-items:center;z-index:20}.zoom-bar button{border:0;background:transparent;padding:8px 10px}.zoom-bar span{font-size:11px;width:45px;text-align:center;color:var(--muted)}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,20px);background:#171717;color:#fff;padding:10px 16px;border-radius:8px;font-size:12px;opacity:0;transition:.2s;pointer-events:none;z-index:50}.toast.show{opacity:1;transform:translate(-50%,0)}@media(max-width:850px){.workspace{grid-template-columns:62px 1fr}.properties{display:none}.empty-hint{left:55%}.saved-label{display:none}.stage-area{padding:45px}.top-actions .ghost{display:none}}