:root{color-scheme:dark;--bg:#0b1218;--surface:#111f29;--raised:#172a35;--border:#304651;--accent:#73dbe2;--ink:#07161c;--muted:#acc1cc;--text:#f0f5f7;font-family:Arial,Helvetica,sans-serif;font-size:15px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}[hidden]{display:none!important}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--accent)}button{border:1px solid var(--border);border-radius:8px;padding:11px 15px;background:var(--surface);color:var(--text);cursor:pointer;min-height:43px}button:hover{background:var(--raised)}button:disabled{opacity:.45;cursor:default}button.primary,button[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:var(--ink)}a{color:var(--accent)}h1,h2,h3,p{margin-top:0}h1{font-size:27px;margin-bottom:0}h2{font-size:20px;margin-bottom:17px}h3{font-size:16px}small,.muted{color:var(--muted)}small{font-size:11px;letter-spacing:1.4px}label{display:flex;flex-direction:column;gap:9px;line-height:1.4}input,select,textarea{width:100%;border:1px solid var(--border);border-radius:7px;padding:12px;background:#0c1720;color:var(--text);min-width:0}textarea{min-height:125px;resize:vertical;line-height:1.6}input[type=color]{height:46px;padding:5px}input[type=checkbox]{width:19px;height:19px;accent-color:var(--accent);margin:0}.check{flex-direction:row;align-items:center;gap:10px}.checks{display:flex;flex-wrap:wrap;gap:23px}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:21px}.full{grid-column:1/-1}.section{padding:27px 0;border-bottom:1px solid #263b46}.section:first-child{padding-top:0}.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:23px;margin-bottom:18px}.card-title{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:20px}.card-title h2,.card-title h3{margin:0}.card-title .service-id{font-size:11px;color:var(--muted)}.empty{padding:45px 22px;text-align:center;border:1px dashed var(--border);border-radius:10px;color:var(--muted)}.empty p{margin:10px 0 22px}.help{font-size:13px;color:var(--muted);line-height:1.6;margin:8px 0 0}.error{color:#ffb4ac}.success{color:#87e4bd}#studio{display:grid;grid-template-columns:220px 1fr;min-height:100dvh}aside{background:#081118;border-right:1px solid var(--border);padding:28px 18px;display:flex;flex-direction:column;position:sticky;top:0;height:100dvh}.identity{display:flex;flex-direction:column;text-decoration:none;color:var(--text);gap:11px;padding:0 10px 24px}.identity img{width:158px;height:67px;object-fit:contain}.identity strong{font-size:18px}.identity small{font-size:10px}nav{display:flex;flex-direction:column;gap:7px;flex:1}nav button{text-align:left;border-color:transparent;background:transparent;padding:13px 15px}nav button[aria-current=page]{background:var(--accent);color:var(--ink)}main{padding:34px 38px;min-width:0;max-width:1500px;width:100%}.top{display:flex;align-items:center;justify-content:space-between;gap:25px;margin-bottom:13px}.top small{display:block;margin-bottom:9px}.publish-actions{display:flex;gap:10px;align-items:center}.publish-actions>span{font-size:12px;color:var(--muted);max-width:160px;line-height:1.6}#notice{min-height:24px;font-size:14px;line-height:1.6}.styles{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.style{padding:0;overflow:hidden;text-align:left}.style strong,.style>span{display:block;margin:13px 15px}.style>span{font-size:12px;opacity:.8;margin-top:-5px}.style .mini{height:115px;background:#162a37;padding:15px;display:flex;gap:10px}.style .mini i{display:block;background:#397282;border-radius:4px}.style .mini i:first-child{width:22%;height:100%}.style .mini i:nth-child(2){width:67%;height:38%}.style .mini i:nth-child(3){width:18%;height:38%}.style[data-layout=tiles] .mini{flex-wrap:wrap}.style[data-layout=tiles] .mini i{width:28%;height:65%;background:#328494}.style[data-layout=cinema] .mini{display:block;background:linear-gradient(120deg,#203d57,#33797e)}.style[data-layout=cinema] .mini i:first-child{width:100%;height:58%;background:#142632}.style[data-layout=cinema] .mini i:nth-child(2){width:33%;height:25%;margin-top:10px}.colours{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.colour{text-align:left;padding:0;overflow:hidden}.colour .swatch{height:74px;display:block;background:linear-gradient(135deg,var(--swatch-bg),var(--swatch-edge))}.colour strong,.colour small{display:block;margin:12px 15px}.colour small{letter-spacing:0;font-size:12px;margin-top:-5px;color:inherit;opacity:.8}.assets{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.asset{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px}.asset .image{height:120px;background:#0b1720;border-radius:6px;display:flex;align-items:center;justify-content:center;overflow:hidden;margin-bottom:16px}.asset img{width:100%;height:100%;object-fit:contain}.asset p{font-size:12px;color:var(--muted)}.asset input[type=file]{font-size:12px;padding:6px}.asset button{margin-top:10px}.danger{color:#ffb4ac}.badge{display:inline-block;padding:5px 9px;border-radius:5px;background:#24404e;color:#dceaf0;font-size:12px}.login-shell{min-height:100dvh;display:grid;place-items:center;padding:20px}.login-card{width:420px;max-width:100%;background:var(--surface);border:1px solid var(--border);border-radius:15px;padding:35px;display:grid;gap:22px}.login-card>img{width:190px;height:78px;object-fit:contain;margin:auto}.login-card h1{font-size:22px;text-align:center}.login-card .error{font-size:13px;margin:0;min-height:1em}.password-row{display:flex;gap:8px}.password-row input{min-width:0}.password-row button{flex:none}.code{display:block;font:12px/1.7 Consolas,monospace;white-space:pre-wrap;overflow-wrap:anywhere;color:#c3dce6;background:#09141c;border-radius:8px;padding:16px}.audit{width:100%;border-collapse:collapse;font-size:13px}.audit td,.audit th{text-align:left;padding:12px 8px;border-bottom:1px solid var(--border);vertical-align:top}.audit th{color:var(--muted)}dialog{color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:12px;max-width:540px;width:calc(100% - 40px);padding:28px}dialog::backdrop{background:#0009}dialog form{display:grid;gap:20px}.layout-note{font-size:12px;margin:14px 0 0;color:var(--muted)}@media(max-width:1050px){#studio{grid-template-columns:180px 1fr}aside{padding:22px 12px}.identity img{width:135px}main{padding:26px}.top{align-items:flex-start}.publish-actions{flex-wrap:wrap;justify-content:flex-end}.publish-actions>span{width:100%;text-align:right;max-width:none}.assets{grid-template-columns:1fr}.asset{display:grid;grid-template-columns:180px 1fr;gap:15px}.asset .image{grid-row:1/5;height:130px}.styles,.colours{gap:10px}}@media(max-width:720px){#studio{display:block}aside{height:auto;position:relative;padding:15px;gap:10px}.identity{padding:0;flex-direction:row;align-items:center}.identity img{width:100px;height:38px}.identity small{display:none}nav{display:grid;grid-template-columns:repeat(3,1fr);gap:4px}nav button{text-align:center;font-size:12px;padding:9px 5px}aside #signout{position:absolute;right:15px;top:15px;font-size:12px;min-height:35px;padding:7px 9px}.identity strong{font-size:15px}main{padding:24px 17px}.top{gap:10px}h1{font-size:22px}.publish-actions>span{font-size:10px}.publish-actions button{padding:9px;font-size:12px}.grid{grid-template-columns:1fr}.styles{grid-template-columns:1fr}.colours{grid-template-columns:repeat(2,1fr)}.styles .mini{height:65px}.asset{display:block}.asset .image{height:130px}.audit{font-size:11px}.section{padding:22px 0}}

/* Approved design-option cards, copied from the accepted Streams Pro mockup. */
#content .ss-colour-presets{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
#content .ss-colour-preset{display:grid;align-content:start;justify-content:stretch;gap:8px;padding:10px;text-align:left;min-width:0}
#content .ss-colour-preset[aria-pressed="true"]{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
#content .ss-colour-art{display:flex;gap:7px;min-height:100px;background:var(--theme-canvas);border-radius:7px;border:1px solid var(--theme-edge);padding:9px;overflow:hidden}
#content .ss-colour-nav{width:22%;display:flex;flex-direction:column;gap:7px;padding:9px 5px;background:var(--theme-sidebar);border-radius:4px}
#content .ss-colour-nav i{height:5px;background:var(--theme-edge);border-radius:2px}
#content .ss-colour-nav i:first-child{background:var(--theme-accent)}
#content .ss-colour-page{flex:1;display:grid;grid-template-rows:1fr 26px;gap:7px;min-width:0}
#content .ss-colour-hero{background:var(--theme-hero);border-radius:var(--theme-radius);border:1px solid var(--theme-edge)}
#content .ss-colour-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:5px}
#content .ss-colour-tiles i{background:var(--theme-panel);border:1px solid var(--theme-edge);border-radius:4px}
#content .ss-colour-label{display:flex;justify-content:space-between;align-items:center;gap:10px}
#content .ss-colour-dot{width:12px;height:12px;border-radius:50%;background:var(--theme-accent)}
#content .ss-colour-preset small{font-size:11px;color:var(--muted);white-space:normal}
#content .ss-presets{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
#content .ss-preset{display:grid;gap:10px;text-align:left;padding:10px;justify-content:stretch}
#content .ss-preset[aria-pressed="true"]{border-color:var(--accent);background:#142e38}
#content .ss-preset-art{display:flex;gap:5px;height:58px;padding:6px;border-radius:4px;background:#0b1218;overflow:hidden}
#content .ss-preset-art i{display:block;background:#203b46;border-radius:2px;flex:1}
#content .ss-preset-art.sidebar i:first-child{flex:.3;background:#73dbe2}
#content .ss-preset-art.tiles{display:grid;grid-template-columns:repeat(3,1fr);padding-top:22px}
#content .ss-preset-art.tiles i:first-child{background:#73dbe2}
#content .ss-preset-art.cinema{flex-direction:column}
#content .ss-preset-art.cinema i:first-child{flex:2;background:linear-gradient(110deg,#15434e,#73dbe2)}
#content .ss-preset small{font-size:11px;color:var(--muted)}
#content .ss-preset,#content .ss-colour-preset{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:8px}
#content .ss-preset[aria-pressed="true"]{border-color:var(--accent);background:#142e38;color:var(--text)}
#content .ss-colour-preset[aria-pressed="true"]{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent);background:var(--surface);color:var(--text)}
#content .ss-colour-label strong{font-size:15px}#content .ss-colour-preset small{letter-spacing:0;line-height:1.4}#content .ss-colour-dot{flex:none}
@media(max-width:650px){#content .ss-colour-presets{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:370px){#content .ss-colour-presets{grid-template-columns:1fr}}