:root{--ink:#121419;--muted:#70757e;--line:#e5e7eb;--paper:#f4f5f7;--panel:#fff;--lime:#dfff56;--lime-dark:#a8ca20;--blue:#5267ff;--radius:18px}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);font-size:15px}.topbar{height:68px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 22px;position:relative;z-index:3}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:900;letter-spacing:-.04em;text-decoration:none;font-size:21px}.brand-mark{width:22px;height:22px;border:6px solid var(--ink);border-right-color:var(--lime);border-radius:7px;transform:rotate(10deg)}.stepper{display:flex;align-items:center;gap:10px;color:#9297a0;font-size:13px;font-weight:700}.stepper i{width:38px;height:1px;background:#d7d9dd}.step 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var(--ink);outline-offset:2px}.checker{background:conic-gradient(#ddd 25%,#fff 0 50%,#ddd 0 75%,#fff 0) 0 0/12px 12px}.white{background:#fff;border-color:#e4e5e7}.dark{background:#17191e}.color-choice span{display:block;width:100%;height:100%;border-radius:7px;background:#dfff56}.color-choice input{position:absolute;opacity:0;width:100%;height:100%}.stage-wrap{min-width:0}.dropzone,.editor{height:100%;border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden}.dropzone{display:grid;place-items:center;border:2px dashed #cfd2d8;background:radial-gradient(circle at 50% 40%,#fff 0,#f6f7f8 65%)}.dropzone.drag{border-color:var(--ink);background:#f3f8d9}.upload-card{text-align:center;max-width:360px;padding:30px}.upload-icon{width:62px;height:62px;border-radius:17px;background:var(--lime);display:grid;place-items:center;margin:0 auto 18px;font-size:29px;font-weight:500}.upload-card h1{font-size:26px;letter-spacing:-.04em}.upload-card 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div{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid #eee;font-size:12px;color:var(--muted)}.qa-list b{color:var(--ink)}.tip{display:flex;gap:9px;background:#f3f6e7;border-radius:11px;padding:11px;margin-top:14px}.tip span{color:#829d13}.tip p{font-size:12px;line-height:1.4;color:#5f6750}.export{margin-top:19px;border-top:1px solid var(--line);padding-top:17px}.export label{font-size:12px;font-weight:700}.export select{display:block;width:100%;margin-top:7px;height:40px;border:1px solid var(--line);border-radius:9px;background:#fff;padding:0 9px}.hidden{display:none!important}.disabled-until-image{opacity:.45;pointer-events:none}body.has-image .disabled-until-image{opacity:1;pointer-events:auto}#toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);padding:10px 16px;border-radius:10px;background:#17191e;color:#fff;font-size:13px;opacity:0;pointer-events:none;transition:.25s;z-index:10}#toast.show{opacity:1;transform:translate(-50%,0)}@media(max-width:1050px){.workspace{grid-template-columns:260px 1fr}.qa-panel{display:none}}@media(max-width:760px){.topbar{height:58px;padding:0 14px}.stepper{display:none}.workspace{height:auto;min-height:calc(100vh - 58px);display:flex;flex-direction:column;padding:8px}.stage-wrap{height:62vh;order:1}.tools-panel{order:2}.qa-panel{order:3;display:block}.panel{overflow:visible}.proofs{grid-template-rows:120px 100px}.workspace>.tools-panel{display:grid;grid-template-columns:1fr}.brand{font-size:19px}}