:root{
  --ink:#0A0A0A; --paper:#FAFAF8; --card:#FFFFFF;
  --purple:#5E1EEC; --purple-tint:#F0EBFF; --gray:#6B7280;
  --line:rgba(10,10,10,.10); --line-soft:rgba(10,10,10,.06);
  --green:#0F8B5F; --green-tint:#E4F5EC;
  --red:#D4351F; --red-tint:#FBEAE6;
  --display:'Sora',system-ui,sans-serif;
  --body:'Inter',system-ui,sans-serif;
}
.brief-root *{box-sizing:border-box;margin:0;padding:0}
.brief-root{font-family:var(--body);background:var(--paper);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh}
.brief-root .wrap{max-width:480px;margin:0 auto;padding:28px 20px 48px;position:relative}
@media(min-width:520px){.brief-root .wrap{padding-top:38px}}
.brief-root .reveal{opacity:0;transform:translateY(14px);animation:briefUp .6s cubic-bezier(.2,.7,.2,1) forwards}
@keyframes briefUp{to{opacity:1;transform:none}}
.brief-root .client-row{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.brief-root .client-badge{width:44px;height:44px;border-radius:10px;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:600;font-size:16px;flex:none;overflow:hidden}
.brief-root .client-badge img{width:100%;height:100%;object-fit:cover;display:block}
.brief-root .product-corner{width:44px;height:44px;border-radius:10px;overflow:hidden;background:#F4F1EC;border:1px solid var(--line);cursor:pointer;transition:transform .2s ease,border-color .2s ease;flex:none}
.brief-root .product-corner:hover{transform:scale(1.06);border-color:rgba(94,30,236,.45)}
.brief-root .product-corner img{width:100%;height:100%;object-fit:cover;display:block}
.brief-root .client-name{font-family:var(--display);font-weight:600;font-size:15px;letter-spacing:-.01em}
.brief-root .client-sub{font-size:12px;color:var(--gray);letter-spacing:.04em}
.brief-root h1.product{display:block;max-width:100%;font-family:var(--display);font-weight:700;font-size:24px;line-height:1.22;letter-spacing:0;margin:2px 0 16px;color:var(--ink);overflow:visible;overflow-wrap:anywhere;word-break:break-word;hyphens:auto;text-wrap:balance}
@media(max-width:360px){.brief-root h1.product{font-size:22px;line-height:1.24}}
@media(min-width:520px){.brief-root h1.product{font-size:32px;line-height:1.14}}
.brief-root .chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.brief-root .chip{display:inline-flex;align-items:center;gap:6px;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:12.5px;font-weight:500;color:#2a2a2a}
.brief-root .chip svg{width:14px;height:14px;flex:none;color:var(--purple)}
.brief-root .loom{position:relative;width:100%;aspect-ratio:16/9;border-radius:16px;overflow:hidden;background:var(--ink);border:1px solid var(--line)}
.brief-root .loom iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.brief-root .loom-poster{position:absolute;inset:0;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:radial-gradient(120% 120% at 50% 30%,#1c1c1c 0%,#0A0A0A 70%);text-decoration:none;border:0;width:100%}
.brief-root .play{width:60px;height:60px;border-radius:50%;background:var(--purple);display:flex;align-items:center;justify-content:center;transition:transform .25s ease}
.brief-root .play svg{width:24px;height:24px;color:#fff;margin-left:3px}
.brief-root .loom-poster:hover .play{transform:scale(1.08)}
.brief-root .loom-label{color:#fff;font-weight:600;font-size:14px;font-family:var(--display);letter-spacing:.01em}
.brief-root .loom-cap{display:flex;align-items:center;gap:7px;margin:10px 2px 0;font-size:12.5px;color:var(--gray)}
.brief-root .loom-cap .dot{width:5px;height:5px;border-radius:50%;background:var(--purple);flex:none}
.brief-root section{margin-top:26px}
.brief-root .eyebrow{font-family:var(--display);font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);margin-bottom:10px;display:block}
.brief-root .hooks{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:transparent}
.brief-root .hook{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-bottom:1px solid var(--line-soft);position:relative}
.brief-root .hook:last-child{border-bottom:0}
.brief-root .hook::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 4px 4px 0}
.brief-root .hook.h-purple::before{background:var(--purple)}
.brief-root .hook.h-green::before{background:var(--green)}
.brief-root .hook.h-red::before{background:var(--red)}
.brief-root .hook .h-text{font-size:14.5px;font-weight:500;color:var(--ink);padding-left:8px;line-height:1.45}
.brief-root .angle{display:flex;gap:14px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 16px;margin-bottom:10px;transition:border-color .2s ease,transform .2s ease;cursor:pointer;text-align:left;width:100%;font-family:var(--body);color:var(--ink)}
.brief-root .angle:hover{border-color:rgba(94,30,236,.4);transform:translateY(-1px)}
.brief-root .angle .idx{font-family:var(--display);font-weight:700;font-size:22px;color:var(--purple);line-height:1;flex:none;width:24px}
.brief-root .angle .a-body{flex:1;min-width:0}
.brief-root .angle .a-title{font-family:var(--display);font-weight:600;font-size:15px;letter-spacing:-.01em}
.brief-root .angle .a-line{font-size:13.5px;color:var(--gray);margin-top:3px}
.brief-root .angle .chev{color:var(--purple);transition:transform .2s ease}
.brief-root .angle:hover .chev{transform:translateX(3px)}
.brief-root .split{display:grid;grid-template-columns:1fr;gap:12px}
@media(min-width:440px){.brief-root .split{grid-template-columns:1fr 1fr}}
.brief-root .panel{border-radius:14px;padding:14px 16px;border:1px solid var(--line)}
.brief-root .panel.do{background:var(--green-tint);border-color:rgba(15,139,95,.22)}
.brief-root .panel.dont{background:var(--red-tint);border-color:rgba(212,53,31,.22)}
.brief-root .panel h3{font-family:var(--display);font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;display:flex;align-items:center;gap:7px;margin-bottom:9px}
.brief-root .panel.do h3{color:#0a6b48}
.brief-root .panel.dont h3{color:#a8290f}
.brief-root .panel h3 svg{width:15px;height:15px}
.brief-root .panel ul{list-style:none;display:flex;flex-direction:column;gap:6px}
.brief-root .panel li{font-size:13.5px;line-height:1.45;color:#2a2a2a}
.brief-root .gpt-card{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 16px;text-decoration:none;color:var(--ink);transition:border-color .2s ease}
.brief-root .gpt-card:hover{border-color:rgba(94,30,236,.4)}
.brief-root .gpt-icon{width:36px;height:36px;border-radius:10px;background:var(--purple-tint);color:var(--purple);display:flex;align-items:center;justify-content:center;flex:none}
.brief-root .gpt-icon svg{width:18px;height:18px}
.brief-root .gpt-body{flex:1;min-width:0}
.brief-root .gpt-title{font-family:var(--display);font-weight:600;font-size:14.5px}
.brief-root .gpt-sub{font-size:12.5px;color:var(--gray);margin-top:2px}
.brief-root .gpt-ext{color:var(--gray)}
.brief-root .cta{display:flex;align-items:center;justify-content:center;gap:9px;width:100%;margin-top:22px;background:var(--purple);color:#fff;text-decoration:none;font-family:var(--display);font-weight:600;font-size:15.5px;padding:16px;border-radius:14px;transition:transform .18s ease,box-shadow .25s ease;box-shadow:0 1px 0 rgba(94,30,236,.3)}
.brief-root .cta:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(94,30,236,.28)}
.brief-root .cta svg{width:18px;height:18px}
.brief-root a:focus-visible,.brief-root button:focus-visible{outline:2px solid var(--purple);outline-offset:3px;border-radius:6px}
.brief-root .modal-backdrop{position:fixed;inset:0;background:rgba(10,10,10,.55);display:flex;align-items:flex-end;justify-content:center;z-index:100;padding:0;animation:fadeIn .2s ease}
@media(min-width:520px){.brief-root .modal-backdrop{align-items:center;padding:24px}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.brief-root .modal{background:var(--paper);width:100%;max-width:520px;border-radius:18px 18px 0 0;padding:20px;max-height:90vh;overflow-y:auto;animation:slideUp .25s ease}
@media(min-width:520px){.brief-root .modal{border-radius:18px}}
@keyframes slideUp{from{transform:translateY(20px);opacity:0}to{transform:none;opacity:1}}
.brief-root .modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:14px}
.brief-root .modal-eyebrow{font-family:var(--display);font-size:10.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--gray)}
.brief-root .modal-title{font-family:var(--display);font-weight:700;font-size:22px;letter-spacing:-.02em;line-height:1.2;margin-top:3px}
.brief-root .modal-close{background:transparent;border:1px solid var(--line);border-radius:10px;width:34px;height:34px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--ink);flex:none}
.brief-root .modal-close svg{width:16px;height:16px}
.brief-root .modal-section{margin-top:14px}
.brief-root .modal-hooks{display:flex;flex-direction:column;gap:8px}
.brief-root .m-hook{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:transparent}
.brief-root .m-hook.h-purple{border-color:rgba(94,30,236,.45)}
.brief-root .m-hook.h-green{border-color:rgba(15,139,95,.45)}
.brief-root .m-hook.h-red{border-color:rgba(212,53,31,.45)}
.brief-root .m-idx{font-family:var(--display);font-size:11px;font-weight:600;background:var(--card);border:1px solid var(--line);width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex:none}
.brief-root .m-hook-text{font-size:14.5px;font-weight:500;line-height:1.4}
.brief-root .modal-row{display:grid;grid-template-columns:132px 1fr;gap:14px;margin-top:14px;align-items:start}
.brief-root .inspo{aspect-ratio:9/16;border-radius:12px;overflow:hidden;background:#1a1a1a;position:relative}
.brief-root .inspo iframe,.brief-root .inspo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border:0}
.brief-root .inspo .placeholder{position:absolute;inset:0;display:flex;flex-direction:column;gap:8px;align-items:center;justify-content:center;color:#fff;font-size:11.5px;font-family:var(--display);letter-spacing:.04em;text-transform:uppercase}
.brief-root .body-list{display:flex;flex-direction:column;gap:8px;list-style:none}
.brief-root .body-list li{display:flex;gap:8px;font-size:13.5px;line-height:1.4}
.brief-root .body-list .b-idx{font-family:var(--display);font-size:10.5px;font-weight:600;background:var(--purple-tint);color:var(--purple);width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex:none;margin-top:1px}
.brief-root .angle .a-thumb{position:relative;flex:none;width:44px;aspect-ratio:9/16;border-radius:10px;overflow:hidden;background:#1a1a1a}
.brief-root .angle .a-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .25s ease}
.brief-root .angle:hover .a-thumb img{transform:scale(1.07)}
.brief-root .angle .a-thumb-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:20px;height:20px;border-radius:50%;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;backdrop-filter:blur(4px)}
.brief-root .angle .a-thumb-play svg{width:10px;height:10px;color:#fff;margin-left:1px}

@media(prefers-reduced-motion:reduce){.brief-root .reveal{animation:none;opacity:1;transform:none}.brief-root .angle,.brief-root .cta,.brief-root .play{transition:none}}
.brief-root .img-modal{display:flex;align-items:center;justify-content:center;max-width:min(92vw,520px);max-height:min(85vh,700px);padding:12px;background:var(--card);border-radius:18px;box-shadow:0 24px 60px rgba(0,0,0,.25);animation:fadeIn .2s ease}
.brief-root .img-modal img{max-width:100%;max-height:min(85vh,700px);border-radius:14px;display:block;object-fit:contain}

:root{--ink:#0A0A0A;--paper:#FAFAF8;--card:#FFFFFF;--purple:#5E1EEC;--gray:#6B7280;--line:rgba(10,10,10,.10);--display:'Sora',system-ui,sans-serif;--body:'Inter',system-ui,sans-serif}
.brand-root *{box-sizing:border-box;margin:0;padding:0}
.brand-root{font-family:var(--body);background:var(--paper);color:var(--ink);min-height:100vh;-webkit-font-smoothing:antialiased;line-height:1.55}
.brand-root .wrap{max-width:520px;margin:0 auto;padding:32px 20px 56px}
.brand-root .head{display:flex;align-items:center;gap:12px;margin-bottom:24px}
.brand-root .badge{width:44px;height:44px;border-radius:12px;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:600;font-size:16px;flex:none;overflow:hidden}
.brand-root .badge img{width:100%;height:100%;object-fit:cover}
.brand-root .eyebrow{font-family:var(--display);font-size:11px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--gray)}
.brand-root h1{font-family:var(--display);font-weight:700;font-size:26px;letter-spacing:-.02em;margin-top:2px}
.brand-root .intro{font-size:14.5px;color:var(--gray);margin:14px 0 22px}
.brand-root .list{display:flex;flex-direction:column;gap:10px}
.brand-root .item{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;text-decoration:none;color:var(--ink);transition:border-color .2s ease,transform .2s ease}
.brand-root .item:hover{border-color:rgba(94,30,236,.45);transform:translateY(-1px)}
.brand-root .icon{width:52px;height:52px;border-radius:10px;background:#F0EBFF;color:var(--purple);display:flex;align-items:center;justify-content:center;flex:none;overflow:hidden}
.brand-root .icon svg{width:18px;height:18px}
.brand-root .icon img{width:100%;height:100%;object-fit:cover;display:block}
.brand-root .body{flex:1;min-width:0}
.brand-root .title{font-family:var(--display);font-weight:600;font-size:15.5px;letter-spacing:-.01em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.brand-root .sub{font-size:12.5px;color:var(--gray);margin-top:2px}
.brand-root .chev{color:var(--purple);flex:none}
.brand-root .empty{border:1px dashed var(--line);border-radius:14px;padding:24px;text-align:center;font-size:14px;color:var(--gray)}

body{margin:0}button{font:inherit}a{color:inherit}dialog{border:0}img{max-width:100%}.brief-root .modal-backdrop{font-family:var(--body)}.brief-root .image-close{position:absolute;right:20px;top:20px;background:white}.brief-root .image-backdrop{align-items:center}.brief-root .img-modal{position:relative}.brief-root .loom video{width:100%;height:100%;object-fit:contain}.brief-root .inspo video{width:100%;height:100%}.empty{padding:30px;color:#6B7280}.error{color:#a8290f}.preview-banner{background:#F0EBFF;color:#5E1EEC;text-align:center;padding:10px;font:14px Inter,sans-serif}.brief-root .loom .play svg{color:#0a0a0a}.brief-root .product-corner{padding:0}@media(max-width:360px){.brief-root .modal-row{grid-template-columns:100px minmax(0,1fr)}}.brief-root .modal-row>div{min-width:0}.brand-root .sub{overflow-wrap:anywhere}

.brief-root .inspo .tiktok-player{height:calc(100% - 36px)}.brief-root .tiktok-source{position:absolute;bottom:0;left:0;right:0;height:36px;display:flex;align-items:center;justify-content:center;color:white;font-size:12px;background:#222;text-decoration:underline}

.brief-root .tiktok-modal{max-width:820px}
.brief-root .tiktok-modal .modal-row{grid-template-columns:340px minmax(0,1fr);gap:24px}
.brief-root .tiktok-panel{aspect-ratio:auto;height:605px}
.brief-root .tiktok-panel .tiktok-status{position:absolute;inset:0 0 36px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;padding:30px;background:#f0edf5;color:#433d50;text-align:center;font-size:14px;line-height:1.6}
.brief-root .tiktok-retry{border:0;border-radius:9px;padding:11px 16px;background:var(--purple);color:white;cursor:pointer}
.brief-root .tiktok-panel [hidden]{display:none!important}
@media(max-width:719px){.brief-root .tiktok-modal .modal-row{grid-template-columns:minmax(0,1fr)}.brief-root .tiktok-panel{width:100%;max-width:360px;justify-self:center;height:auto;aspect-ratio:9/17}}

.brief-root .tiktok-panel .tiktok-source{right:106px;font-size:12px}.brief-root .tiktok-reload{position:absolute;bottom:0;right:0;height:36px;width:106px;border:0;border-left:1px solid #555;background:#222;color:white;font-size:12px;cursor:pointer}

/* Practical creator guidance */
:is(.brief-root,.brand-root) .guide-card{border:1px solid var(--line);border-radius:14px;background:#fff;padding:18px;margin:18px 0;font-size:14px;line-height:1.6}
:is(.brief-root,.brand-root) .guide-card h2{font:600 17px var(--display);margin:0 0 10px;letter-spacing:0}
:is(.brief-root,.brand-root) .guide-card p+p{margin-top:12px}
:is(.brief-root,.brand-root) .guide-card summary{font-weight:600;cursor:pointer;min-height:28px}
:is(.brief-root,.brand-root) .guide-card[open] summary{margin-bottom:12px}
:is(.brief-root,.brand-root) .start-guide ol{padding-left:22px}
:is(.brief-root,.brand-root) .start-guide li{margin:8px 0}
:is(.brief-root,.brand-root) .start-guide p{font-size:13px;color:var(--gray);margin-top:12px}
:is(.brief-root,.brand-root) .offer-card{background:var(--purple-tint,#f0ebff);border-color:#d9c9fc}
:is(.brief-root,.brand-root) .offer-card strong{display:block;font:600 19px/1.4 var(--display);margin:6px 0}
:is(.brief-root,.brand-root) .offer-card p{font-size:13px;color:#514365}
.guide-label{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:#5e1eec;font-weight:700}
.brief-root .guide-note{font-size:13px;line-height:1.6;color:var(--gray);margin:8px 0 14px}
.brief-root .back-link{display:inline-flex;font-size:13px;color:var(--gray);text-decoration:none;margin-bottom:18px}
.brief-root .fact-list{padding-left:20px;margin-bottom:12px}
.brand-root .product-list-title{font:600 18px var(--display);margin:28px 0 14px}
.brand-root .title{white-space:normal;overflow:visible;line-height:1.4}
.brief-root .check-row{display:flex;gap:12px;padding:12px 0;align-items:flex-start;border-bottom:1px solid var(--line-soft);font-size:13px;cursor:pointer}
.brief-root .check-row:last-child{border-bottom:0}
.brief-root input[type=checkbox],.brief-root input[type=radio]{accent-color:var(--purple);width:19px;height:19px;flex:none;margin-top:2px}
.brief-root .check-progress{font-size:13px;font-weight:600;color:var(--purple);margin-bottom:8px}
.brief-root .concept-modal{max-width:800px}
.brief-root .hook-picker{border:0;margin:16px 0;padding:0;min-width:0}
.brief-root .hook-picker legend{font-weight:600;margin-bottom:10px}
.brief-root .hook-choice{display:flex;align-items:flex-start;gap:12px;border:1px solid var(--line);border-radius:10px;padding:12px;margin:8px 0;cursor:pointer;font-size:14px}
.brief-root .hook-choice:has(input:checked){border-color:var(--purple);background:var(--purple-tint)}
.brief-root .script-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:14px 0}
.brief-root .copy-script{background:var(--purple);color:white;border:0;border-radius:10px;padding:12px 18px;cursor:pointer;font-weight:600}
.brief-root .copy-status{font-size:13px;color:#0a6b48}
.brief-root .copy-fallback{width:100%;height:180px;padding:12px;font:13px/1.5 var(--body)}
.brief-root .concept-modal .modal-row{grid-template-columns:minmax(150px,220px) minmax(0,1fr);gap:22px}
.brief-root .inspo-note{font-size:12px}
.brief-root .modal-rules .split{margin-top:12px}
.brief-root .modal-close{position:sticky;top:0;background:var(--paper);z-index:2}
@media(max-width:599px){.brief-root .concept-modal .modal-row{grid-template-columns:minmax(0,1fr)}.brief-root .concept-modal .modal-row>div:first-child{max-width:230px;margin:auto;width:100%}.brief-root .concept-modal .body-list li{font-size:14px;line-height:1.6}.brief-root .modal{padding:18px;max-height:94dvh}}