:root{color:#172020;background:radial-gradient(circle at 12% 12%,rgba(233,197,116,.5),transparent 24%),radial-gradient(circle at 88% 18%,rgba(181,215,207,.35),transparent 20%),linear-gradient(180deg,#f8f3e6,#efe3ca);font-family:Iowan Old Style,Palatino Linotype,PingFang SC,serif;color-scheme:light}*{box-sizing:border-box}body{margin:0;min-height:100vh}button,input,textarea{font:inherit}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.app-shell{width:min(1040px,calc(100vw - 32px));margin:0 auto;padding:44px 0 80px}.hero{padding:30px;border:1px solid rgba(23,32,32,.1);border-radius:32px;background:linear-gradient(135deg,#fffcf4eb,#f6edd6b8),#ffffffbd;box-shadow:0 26px 90px #4e3b181f;transform-origin:top center;animation:reveal .48s ease-out both}.eyebrow{margin:0 0 14px;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:#766027}h1{margin:0;font-size:clamp(30px,4.2vw,52px);line-height:1.02;letter-spacing:-.04em}.hero-copy{max-width:46rem;margin:14px 0 0;font-size:15px;line-height:1.68;color:#172020c7}.workspace-card{margin-top:24px;padding:24px;border:1px solid rgba(23,32,32,.1);border-radius:32px;background:#fffaf1d6;box-shadow:0 20px 70px #4e3b181a;animation:reveal .56s ease-out both}.dropzone{display:grid;gap:8px;padding:22px;border:1.5px dashed rgba(23,32,32,.18);border-radius:24px;background:linear-gradient(135deg,#ffffffa8,#efe3cab8);cursor:pointer;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}.dropzone:hover{transform:translateY(-1px);border-color:#76602770;box-shadow:0 12px 40px #7660271f}.dropzone-kicker{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#8a6f2f}.dropzone strong{font-size:clamp(18px,2.4vw,24px);line-height:1.2}.action-row{display:flex;align-items:center;justify-content:space-between;margin-top:18px;gap:14px}.action-group{display:flex;gap:14px;align-items:center}.action-button{min-width:132px;padding:12px 16px;border:1px solid rgba(23,32,32,.16);border-radius:999px;background:#ffffffb8;color:#172020;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,opacity .18s ease}.action-button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 12px 30px #1720201f}.action-button:disabled{opacity:.45;cursor:not-allowed}.action-button--primary{border-color:#24382f;background:linear-gradient(135deg,#24382f,#375847);color:#f8f3e6}.toggle-check{display:inline-flex;align-items:center;cursor:pointer}.toggle-check__input{position:absolute;opacity:0;pointer-events:none}.toggle-check__label{display:inline-flex;align-items:center;gap:10px;min-width:132px;min-height:42px;padding:12px 16px;border:1px solid rgba(23,32,32,.16);border-radius:999px;background:#ffffffc7;color:#172020d1;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease,background .18s ease,color .18s ease}.toggle-check__label:before{content:"";width:16px;height:16px;border:1.5px solid rgba(23,32,32,.28);border-radius:4px;background:#ffffffd1;transition:border-color .18s ease,background .18s ease,box-shadow .18s ease}.toggle-check:hover .toggle-check__label{transform:translateY(-1px);box-shadow:0 12px 30px #1720201f}.toggle-check__input:checked+.toggle-check__label{border-color:#2f4b3d66;background:#2f4b3d1f;color:#24382f}.toggle-check__input:checked+.toggle-check__label:before{border-color:#2f4b3d;background:linear-gradient(135deg,#2f4b3d,#466a58);box-shadow:inset 0 0 0 3px #fffaf1eb}.toggle-check__input:focus-visible+.toggle-check__label{outline:2px solid rgba(47,75,61,.35);outline-offset:2px}.status-panel{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:22px}.status-card{padding:16px 18px;border-radius:22px;background:#ffffffad;border:1px solid rgba(23,32,32,.08)}.status-label{display:block;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#17202094}.status-card strong{display:block;margin-top:8px;font-size:24px;line-height:1}.error-message{margin:18px 0 0;padding:14px 16px;border-radius:18px;background:#ae341b1a;color:#8f2f1d}.result-panel{margin-top:22px;padding:18px;border-radius:26px;background:#ffffffb3;border:1px solid rgba(23,32,32,.08)}.result-header{display:flex;align-items:baseline;justify-content:space-between;gap:16px}.result-header h2{margin:0;font-size:20px}.export-name{font-size:13px;color:#17202094}.preview{width:100%;min-height:460px;margin-top:14px;padding:18px;border:1px solid rgba(23,32,32,.1);border-radius:20px;resize:vertical;background:#fcf9f2eb;color:#1a2424;font-family:SF Mono,Menlo,Monaco,monospace;font-size:14px;line-height:1.7}@keyframes reveal{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@media(max-width:720px){.app-shell{width:min(100vw,calc(100vw - 20px));padding:22px 0 40px}.hero,.workspace-card{padding:20px;border-radius:24px}.action-row,.result-header,.action-group{flex-direction:column;align-items:stretch}.toggle-check{width:100%}.toggle-check__label{width:100%;justify-content:center}.status-panel{grid-template-columns:1fr}.status-card strong{font-size:22px}.preview{min-height:360px}}