:root{--brand:#1d9bf0;--ink:#17202b;--muted:#64748b;--line:#dbe3ea;--surface:#fff;--page:#f4f7fa}
*{box-sizing:border-box}body{margin:0;background:var(--page);color:var(--ink);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.page{width:min(1160px,calc(100% - 28px));margin:auto;padding:26px 0 46px}.intro{max-width:760px;margin:0 auto 22px;text-align:center}
.eyebrow{display:inline-flex;border:1px solid color-mix(in srgb,var(--brand),white 72%);background:color-mix(in srgb,var(--brand),white 93%);color:var(--brand);padding:7px 12px;border-radius:999px;font-size:.78rem;font-weight:800}
h1{font-size:clamp(2rem,5vw,3.1rem);letter-spacing:-.045em;line-height:1.08;margin:14px 0 10px}.intro p{color:#526171;line-height:1.65;margin:0 auto;max-width:700px}
.notice{margin:17px auto 0;text-align:left;background:#fff8e6;border:1px solid #f0d28c;border-radius:12px;padding:11px 14px;font-size:.85rem;line-height:1.5;color:#704b00}
.platforms{display:flex;gap:7px;justify-content:center;flex-wrap:wrap;margin-top:15px}.platforms a{color:#334155;text-decoration:none;background:white;border:1px solid #dbe3ea;border-radius:999px;padding:7px 11px;font-size:.8rem;font-weight:700}.platforms a[aria-current=page]{background:var(--brand);border-color:var(--brand);color:white}
.workspace{display:grid;grid-template-columns:minmax(280px,.85fr) minmax(0,1.15fr);gap:18px;align-items:start}.panel{background:white;border:1px solid #e1e7ed;border-radius:17px;box-shadow:0 8px 28px #1c34450a;overflow:hidden}.panel-head{padding:17px 19px;border-bottom:1px solid #edf0f3}.panel-head h2{font-size:1.05rem;margin:0 0 4px}.panel-head p{font-size:.83rem;color:var(--muted);margin:0;line-height:1.45}
.fields{padding:18px;display:grid;gap:13px}.field{display:grid;gap:6px;min-width:0}.field label,.legend{font-size:.85rem;font-weight:750}input[type=text],input[type=number],textarea{width:100%;font:inherit;font-size:.9rem;color:#17202b;background:#fff;border:1px solid #cbd5df;border-radius:9px;padding:10px 11px;outline:none;min-width:0}textarea{resize:vertical;min-height:88px;line-height:1.5}input:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand),transparent 86%)}.hint{font-size:.73rem;color:var(--muted);display:flex;justify-content:space-between;gap:8px}.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}.choice-row{display:flex;gap:8px;flex-wrap:wrap}.choice{display:inline-flex;align-items:center;gap:6px;border:1px solid #d6dee6;border-radius:999px;padding:7px 10px;font-size:.81rem;cursor:pointer}.choice input{accent-color:var(--brand)}
.btn-row{display:flex;gap:9px;flex-wrap:wrap}button{border:0;border-radius:999px;padding:10px 15px;font:inherit;font-size:.86rem;font-weight:800;cursor:pointer;transition:transform .15s,opacity .15s}button:hover{transform:translateY(-1px)}button:disabled{opacity:.6;cursor:wait}.primary{background:var(--brand);color:white}.secondary{background:#eef2f6;color:#263445}
.preview-wrap{padding:19px;display:grid;gap:13px;justify-items:center;background:radial-gradient(ellipse at top,color-mix(in srgb,var(--brand),white 91%),#f8fafc 62%)}.preview-label{width:100%;display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:.83rem;font-weight:800}.live{font-size:.74rem;color:#087443}
.post{--postbg:#fff;--postfg:#182230;--postmuted:#64748b;--postline:#e3e8ee;position:relative;width:100%;max-width:570px;overflow:hidden;border:1px solid #d3dce5;border-radius:14px;background:var(--postbg);color:var(--postfg);padding:18px;font-family:Arial,Helvetica,sans-serif;box-shadow:0 10px 25px #0f24350a}
.post.dim{--postbg:#18232d;--postfg:#f4f7f9;--postmuted:#9aaab7;--postline:#34424e;border-color:#34424e}.post.dark{--postbg:#050505;--postfg:#f4f4f4;--postmuted:#9b9b9b;--postline:#333;border-color:#333}
.post.instagram{border-top:4px solid transparent;border-image:linear-gradient(90deg,#feda75,#fa7e1e,#d62976,#962fbf,#4f5bd5) 1;border-radius:12px}.post.facebook{border-radius:8px}.post.linkedin{border-radius:5px}.post.threads{border-radius:17px}.post.youtube{border-radius:12px}
.post-top{display:flex;align-items:flex-start;gap:10px}.avatar{width:46px;height:46px;border-radius:50%;background:#dce6ef;object-fit:cover;flex:0 0 auto;display:grid;place-items:center;font-size:19px;font-weight:800;color:#496175;overflow:hidden}.identity{min-width:0;flex:1}.name-line{display:flex;align-items:center;gap:5px;flex-wrap:wrap;font-size:15px;font-weight:800;line-height:1.35;overflow-wrap:anywhere}.handle{font-size:13px;color:var(--postmuted);line-height:1.45;overflow-wrap:anywhere}.verified{display:none;width:15px;height:15px;fill:var(--brand);flex:0 0 auto}.verified.show{display:inline-block}.more{font-size:18px;color:var(--postmuted)}
.post-message{font-size:17px;line-height:1.5;white-space:pre-wrap;overflow-wrap:anywhere;margin:15px 0}.post-meta{font-size:12px;color:var(--postmuted);line-height:1.5;overflow-wrap:anywhere}.post-stats{display:flex;flex-wrap:wrap;gap:7px 15px;border-top:1px solid var(--postline);border-bottom:1px solid var(--postline);margin-top:14px;padding:11px 0;font-size:12px;color:var(--postmuted)}.post-stats b{color:var(--postfg)}.post-actions{display:flex;justify-content:space-around;gap:10px;padding-top:13px;color:var(--postmuted)}.post-actions span{font-size:12px;display:flex;align-items:center;gap:5px}.post-actions svg{width:17px;height:17px;fill:currentColor}.post-media{display:none;width:100%;max-height:250px;object-fit:cover;border-radius:10px;margin:8px 0 13px}.post-media.visible{display:block}.mock-label{margin:16px -18px -18px;padding:8px 10px;background:#fff0bf;color:#674600;text-align:center;font:800 10px/1.4 Arial,sans-serif;letter-spacing:.08em;border-top:1px solid #efd37d}.dim .mock-label,.dark .mock-label{background:#3e3214;color:#ffe39a;border-color:#66501a}.download-note{text-align:center;font-size:.78rem;color:#526171;line-height:1.45;margin:0}.footer-note{text-align:center;color:#64748b;font-size:.78rem;margin:22px 0 0;line-height:1.5}
@media(max-width:800px){.workspace{grid-template-columns:1fr}.page{padding-top:20px}.preview-wrap{padding:15px}}@media(max-width:460px){.page{width:calc(100% - 18px)}.fields{padding:14px}.panel-head{padding:15px}.two{grid-template-columns:1fr}.preview-wrap{padding:10px}.post{padding:14px}.mock-label{margin:16px -14px -14px}.post-message{font-size:16px}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;scroll-behavior:auto!important}}

/* Platform-specific feed details: distinct silhouettes, spacing and media treatment. */
.platform-context{font-size:12px;color:var(--postmuted);margin:3px 0 10px;line-height:1.4}
.post.twitter{max-width:600px;border-radius:0;border-width:0 0 1px;box-shadow:none;padding:15px 17px}
.post.twitter .post-message{font-size:15px;margin:10px 0 12px;line-height:1.45}
.post.twitter .post-stats{border:0;padding:8px 0 2px;margin-top:8px}
.post.twitter .post-actions{justify-content:space-between;padding:12px 4px 3px}
.post.facebook{max-width:520px;border-radius:9px;padding:16px}
.post.facebook .post-top{align-items:center}
.post.facebook .post-message{font-size:15px;margin:12px 0 14px}
.post.facebook .platform-context{display:inline-block;background:#f0f2f5;color:#536171;border-radius:6px;padding:5px 8px}
.post.instagram{max-width:460px;padding:15px;border:1px solid var(--postline);border-top:1px solid var(--postline);border-image:none;border-radius:10px}
.post.instagram .post-top{align-items:center}
.post.instagram .post-message{font-size:14px;margin:12px 0}
.post.instagram .post-media{aspect-ratio:1/1;max-height:none;object-fit:cover;border-radius:2px;margin:8px 0 12px}
.post.instagram .post-stats{order:5}
.post.instagram .post-actions{justify-content:flex-start;gap:17px;padding-top:5px}
.post.linkedin{max-width:570px;border-radius:8px;padding:16px}
.post.linkedin .post-top{align-items:flex-start}
.post.linkedin .handle{font-size:12px}
.post.linkedin .platform-context{padding:7px 9px;border-left:3px solid var(--brand);background:#f3f8fc;color:#425466}
.post.linkedin .post-message{font-size:14px;margin:12px 0;line-height:1.5}
.post.linkedin .post-actions{justify-content:space-around;border-top:1px solid var(--postline);margin-top:5px}
.post.threads{max-width:560px;border-radius:16px;padding:16px}
.post.threads .post-top{align-items:flex-start}
.post.threads .post-message{font-size:16px;margin:9px 0 13px}
.post.threads .post-stats{order:5}
.post.threads .post-actions{justify-content:flex-start;gap:16px}
.post.youtube{max-width:560px;border-radius:13px;padding:16px}
.post.youtube .post-top{align-items:center}
.post.youtube .avatar{width:42px;height:42px}
.post.youtube .post-message{font-size:15px;margin:12px 0}
.post.youtube .post-media{aspect-ratio:1/1;max-height:310px;object-fit:cover;border-radius:10px;margin:8px 0 13px}
.post.youtube .platform-context{font-weight:700;color:#606060}
.post.youtube .post-actions{justify-content:flex-start;gap:18px}
.action{display:flex;align-items:center;gap:5px;white-space:nowrap}
.action-glyph{font-size:17px;line-height:1;color:var(--postmuted)}
.media-upload input[type=file]{font:inherit;font-size:.82rem;width:100%;max-width:100%}
@media(max-width:460px){
 .post.twitter,.post.facebook,.post.instagram,.post.linkedin,.post.threads,.post.youtube{padding:12px}
 .post.twitter{padding:12px 13px}
 .post.instagram .post-media,.post.youtube .post-media{max-height:none}
 .post-actions{gap:7px!important}
 .post-actions .action{font-size:11px}
 .action-glyph{font-size:15px}
}


.platform-setting-select{width:100%;font:inherit;font-size:.9rem;color:#17202b;background:#fff;border:1px solid #cbd5df;border-radius:9px;padding:10px 11px;min-width:0}
.community-poll{display:grid;gap:9px;border:1px solid var(--postline);border-radius:12px;padding:12px;margin:10px 0;color:var(--postfg);font-size:13px}
.community-poll[hidden]{display:none}
.community-poll span{display:flex;justify-content:space-between;gap:12px;border:1px solid color-mix(in srgb,var(--brand),white 45%);background:color-mix(in srgb,var(--brand),white 94%);border-radius:8px;padding:9px 10px}
.community-poll span b{color:var(--brand)}


/* Custom outer frame + inner post card designer */
.frame{box-sizing:border-box;position:relative;display:flex;align-items:stretch;justify-content:center;gap:0;min-width:0;margin:12px auto 0;overflow:hidden;transition:width .15s ease,padding .15s ease,border-radius .15s ease,background .15s ease;isolation:isolate}
.frame>.post{box-sizing:border-box;display:flex;flex-direction:column;min-width:0;min-height:0;flex-shrink:1;overflow:hidden;transition:width .12s ease,padding .12s ease,border-radius .12s ease,background .12s ease;position:relative}
.post .post-top{flex:0 0 auto;min-width:0;gap:10px}
.post .avatar{width:var(--custom-avatar-size,48px);height:var(--custom-avatar-size,48px);min-width:var(--custom-avatar-size,48px);border-radius:var(--custom-avatar-shape,50%);object-fit:cover;display:block;flex-shrink:0}
.post .avatar[hidden]{display:none}
.post .name-line{font-size:var(--custom-name-size,16px);color:inherit;font-weight:750;overflow-wrap:anywhere}
.post .handle{font-size:12px;color:var(--custom-handle-color,#64748b);overflow-wrap:anywhere}
.post .post-message{font-size:16px;line-height:1.4;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;min-width:0;min-height:0;flex:0 1 auto;margin:14px 0}
.post .mock-label{margin-top:auto;padding-top:8px;font-size:9px;line-height:1.3;letter-spacing:.04em;opacity:.7;flex:0 0 auto}
.post .mock-label[hidden]{display:none}
.post .verified{display:none;width:15px;height:15px;fill:var(--brand);vertical-align:middle;margin-left:4px}
.post .verified.show{display:inline-block}
.post .more{margin-left:auto;flex-shrink:0}
.control-section{border-top:1px solid #e6ebf1;padding-top:14px;margin-top:2px;display:grid;gap:12px}
.control-section h3{font-size:.92rem;margin:0;color:#1e293b}
.fields input[type=range]{width:100%;accent-color:var(--brand);padding:0}
.fields input[type=color]{width:100%;height:40px;padding:3px;border:1px solid #cbd5df;border-radius:8px;background:#fff}
.fields select{width:100%;min-width:0;max-width:100%;font:inherit;font-size:.88rem;color:#17202b;background:#fff;border:1px solid #cbd5df;border-radius:9px;padding:10px}
.field output{font-weight:700;color:#64748b;font-size:.8rem;white-space:nowrap}
.preview-wrap{min-width:0;display:flex;flex-direction:column;align-items:center;overflow:hidden;padding:14px}
.preview-label{width:100%;max-width:760px}
.post.twitter,.post.facebook,.post.instagram,.post.linkedin,.post.threads,.post.youtube{max-width:none;border-radius:inherit}
.post .post-meta,.post .post-stats,.post .post-actions{display:none!important}
.post .identity{min-width:0;overflow:hidden}
.post .identity .name-line{display:flex;align-items:center;gap:2px;min-width:0}
.post .identity .name-line>span{overflow-wrap:anywhere;min-width:0}
.post .identity .handle{white-space:normal;overflow-wrap:anywhere}
.post .post-message:empty:before{content:'your post show here ,';color:inherit;opacity:.6}
@media(max-width:680px){
 .workspace{grid-template-columns:minmax(0,1fr);gap:14px}
 .page{width:min(100% - 18px,760px);padding-top:14px}
 .fields{padding:13px;gap:11px}
 .control-section{gap:10px}
 .control-section .two{gap:9px}
 .preview-wrap{padding:9px}
 .frame{max-width:100%}
 .post .post-message{margin:9px 0}
}