*{box-sizing:border-box}
html,body{margin:0;padding:0;min-height:100%;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;background:#f5f7fb;color:#172033}
body{font-size:15px}
button,input,textarea{font:inherit}
button{cursor:pointer}
.page{max-width:1180px;margin:0 auto;padding:42px 24px 60px}
.topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;margin-bottom:28px}
.eyebrow{font-size:11px;font-weight:800;letter-spacing:.12em;color:#687386;margin-bottom:7px}
h1{font-size:32px;line-height:1.15;margin:0 0 8px;font-weight:800;letter-spacing:-.03em}
.topbar p{margin:0;color:#687386;font-size:15px}
.secondary-btn,.primary-btn{border:0;border-radius:10px;padding:12px 18px;font-weight:700;transition:.15s}
.secondary-btn{background:#fff;border:1px solid #d8dee8;color:#263247;box-shadow:0 2px 8px rgba(23,32,51,.05)}
.secondary-btn:hover{background:#f8fafc}
.card{background:#fff;border:1px solid #e1e6ee;border-radius:16px;box-shadow:0 10px 35px rgba(23,32,51,.06);padding:30px}
.card-title{margin-bottom:25px}
h2{font-size:22px;margin:0;font-weight:800}
.field-label{display:block;font-size:13px;font-weight:750;margin:0 0 8px;color:#263247}
.helper{font-size:12px;color:#7a8494;margin-top:-3px}
.upload-box{min-height:145px;border:1.5px dashed #c9d1de;border-radius:12px;background:#fafbfc;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;text-align:center;margin-bottom:22px;color:#647084;cursor:pointer;transition:.15s}
.upload-box:hover{border-color:#8c98aa;background:#f7f9fb}
.upload-box strong{color:#263247;font-size:15px}
.upload-icon{width:34px;height:34px;border-radius:50%;background:#eef1f5;display:grid;place-items:center;font-size:22px;color:#566174;margin-bottom:2px}
.upload-box input{display:none}
.file-name{font-size:12px;color:#4f5d72;max-width:90%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.text-input{width:100%;border:1px solid #d7dde7;border-radius:9px;background:#fff;padding:12px 13px;outline:none;color:#172033;margin-bottom:20px}
.text-input:focus{border-color:#7d8ba0;box-shadow:0 0 0 3px rgba(125,139,160,.12)}
.caption{resize:vertical;min-height:135px}
.publish-header{display:flex;justify-content:space-between;align-items:end;margin-top:4px;margin-bottom:13px}
.link-btn{border:0;background:transparent;color:#3e4c63;font-weight:750;padding:4px 0;text-decoration:underline;text-underline-offset:3px}
.platform-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:22px}
.platform-option{display:flex;align-items:center;gap:11px;border:1px solid #e0e5ed;border-radius:10px;padding:13px 14px;background:#fff;cursor:pointer;transition:.15s}
.platform-option:hover{background:#f8fafc;border-color:#cbd3df}
.platform-option input{width:17px;height:17px;accent-color:#263247;margin:0;cursor:pointer}
.platform-option span{font-weight:600;color:#29354a}
.primary-btn{width:100%;background:#1f2937;color:#fff;padding:14px 18px}
.primary-btn:not(:disabled):hover{background:#111827}
.primary-btn:disabled{opacity:.45;cursor:not-allowed}
.status{min-height:20px;margin-top:12px;text-align:center;font-size:13px;color:#566174}
.note{text-align:center;color:#8a94a3;font-size:12px;margin:18px 0 0}
@media(max-width:700px){.page{padding:24px 14px 40px}.topbar{flex-direction:column}h1{font-size:27px}.secondary-btn{width:100%}.card{padding:20px}.platform-grid{grid-template-columns:1fr}}