:root{--red:#e31318;--ink:#1f2023;--muted:#676b72;--line:#e1e3e6;--panel:#fff;--soft:#f4f5f6;--warning:#fff4e5;--shadow:0 18px 45px rgba(26,28,32,.10)}*{box-sizing:border-box}html{background:#edeff1}body{margin:0;color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#edeff1}.page-header{padding:28px clamp(22px,4vw,64px) 34px;background:#17181b;color:#fff;display:grid;grid-template-columns:1fr minmax(420px,1.8fr) auto;gap:34px;align-items:end;border-bottom:5px solid var(--red)}.brand-row{align-self:start}.brand{font-size:29px;font-weight:900;letter-spacing:-1.5px;color:var(--red)}.brand span{color:#fff}.environment{display:inline-block;margin-top:9px;padding:5px 8px;border:1px solid #44474d;border-radius:999px;color:#b8bbc0;font-size:11px;text-transform:uppercase;letter-spacing:.09em}.header-copy .kicker{margin:0 0 8px;color:#ff8f93;font-size:12px;text-transform:uppercase;letter-spacing:.14em;font-weight:700}.header-copy h1{font-size:clamp(26px,3vw,42px);line-height:1.08;letter-spacing:-.03em;margin:0 0 12px}.header-copy p:last-child{max-width:780px;margin:0;color:#c7c9cd;line-height:1.55}.header-stats{display:flex;gap:1px;background:#34363b;border:1px solid #34363b}.header-stats div{min-width:108px;background:#24262a;padding:18px 16px}.header-stats strong,.header-stats span{display:block}.header-stats strong{font-size:25px;color:#fff}.header-stats span{margin-top:4px;color:#aeb1b6;font-size:11px;text-transform:uppercase;letter-spacing:.08em}.global-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d9dcdf;border-bottom:1px solid #d9dcdf}.global-notes div{background:#fff;padding:17px clamp(20px,3vw,42px);display:flex;gap:12px;align-items:flex-start}.global-notes strong{white-space:nowrap;color:var(--red);font-size:13px}.global-notes span{color:#5f6369;font-size:12px;line-height:1.5}.spec-issues{margin:18px auto 0;max-width:1640px;background:#fff8ec;border:1px solid #edcc95;border-radius:8px;color:#654218}.spec-issues summary{cursor:pointer;padding:14px 18px;font-weight:800;font-size:13px}.spec-issues ul{margin:0;padding:0 34px 17px 39px}.spec-issues li{margin:7px 0;font-size:12px;line-height:1.5}.workspace{display:grid;grid-template-columns:360px minmax(0,1fr);max-width:1700px;margin:0 auto;min-height:calc(100vh - 290px)}.sidebar{background:#f7f8f9;border-right:1px solid #d7d9dc;padding:24px 18px 30px;position:sticky;top:0;height:100vh;overflow:auto}.sidebar-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.sidebar-head h2{margin:0;font-size:20px}.sidebar-head span{font-size:12px;color:var(--muted)}.segmented{display:grid;grid-template-columns:repeat(3,1fr);background:#e7e9eb;padding:3px;border-radius:8px;margin-bottom:18px}.segmented button,.viewport-switch button{appearance:none;border:0;background:transparent;padding:9px 8px;border-radius:6px;color:#5b5f65;font-weight:700;cursor:pointer}.segmented button.active,.viewport-switch button.active{background:#fff;color:var(--ink);box-shadow:0 2px 8px rgba(0,0,0,.08)}.field{display:block;margin-bottom:12px}.field span{display:block;margin-bottom:6px;font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:#6b6f75;font-weight:700}.field input,.field select{width:100%;border:1px solid #d7d9dc;background:#fff;border-radius:7px;padding:11px 12px;font:inherit;color:var(--ink);outline:none}.field input:focus,.field select:focus{border-color:var(--red);box-shadow:0 0 0 3px rgba(227,19,24,.09)}.scenario-list{display:flex;flex-direction:column;gap:7px;margin-top:18px}.scenario-card{appearance:none;width:100%;text-align:left;border:1px solid #dde0e3;background:#fff;border-radius:9px;padding:13px;cursor:pointer;transition:.16s ease}.scenario-card:hover{transform:translateY(-1px);border-color:#bfc3c8;box-shadow:0 6px 15px rgba(0,0,0,.06)}.scenario-card.active{border-color:var(--red);box-shadow:0 0 0 2px rgba(227,19,24,.10)}.scenario-card .top{display:flex;justify-content:space-between;gap:10px;align-items:center}.scenario-card .code{font-size:11px;color:#fff;background:#36383d;padding:4px 6px;border-radius:4px;font-weight:800}.scenario-card .type{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:#888c92}.scenario-card strong{display:block;margin-top:9px;font-size:13px;line-height:1.35}.scenario-card small{display:block;margin-top:6px;color:#73777d;line-height:1.35}.scenario-card .warn-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#e38b13;margin-left:5px}.empty-state{padding:25px 10px;text-align:center;color:#777;font-size:13px}.review-panel{padding:28px clamp(20px,3vw,48px) 50px;min-width:0}.review-toolbar{display:flex;justify-content:space-between;gap:24px;align-items:flex-end}.scenario-code{font-size:11px;color:var(--red);font-weight:900;letter-spacing:.12em;text-transform:uppercase}.review-toolbar h2{margin:5px 0 0;font-size:clamp(22px,2.2vw,32px);letter-spacing:-.025em}.toolbar-actions{display:flex;gap:10px;align-items:center}.viewport-switch{display:flex;background:#dfe2e5;padding:3px;border-radius:8px}.viewport-switch button{padding:8px 12px}.open-mail{display:inline-flex;align-items:center;padding:10px 13px;background:var(--ink);color:#fff;text-decoration:none;border-radius:7px;font-size:13px;font-weight:700}.detail-grid{display:grid;grid-template-columns:1.1fr 1fr .9fr 1.7fr;gap:1px;background:#dfe1e4;border:1px solid #dfe1e4;margin:22px 0 0}.detail-grid>div{background:#fff;padding:14px}.detail-grid span,.qa-grid span{display:block;color:#85898f;font-size:10px;text-transform:uppercase;letter-spacing:.09em;margin-bottom:6px}.detail-grid strong,.qa-grid strong{display:block;font-size:12px;line-height:1.45;overflow-wrap:anywhere}.timing-note,.warning-list{margin-top:12px;padding:13px 15px;border-radius:7px;font-size:12px;line-height:1.5}.timing-note{background:#edf5ff;color:#254c73;border:1px solid #d2e4f8}.warning-list{background:var(--warning);color:#714415;border:1px solid #efd2aa}.warning-list ul{margin:0;padding-left:18px}.qa-details{margin-top:12px;background:#fff;border:1px solid #dfe1e4;border-radius:7px}.qa-details summary{cursor:pointer;padding:13px 15px;font-size:12px;font-weight:800}.qa-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#e4e5e7;border-top:1px solid #e4e5e7}.qa-grid>div{padding:13px 15px;background:#fafafa}.preview-frame-shell{margin:24px auto 0;background:#d9dcdf;padding:18px;border-radius:12px;box-shadow:var(--shadow);transition:max-width .25s ease}.preview-frame-shell.desktop{max-width:900px}.preview-frame-shell.mobile{max-width:430px;padding:12px}.preview-frame-shell iframe{display:block;width:100%;height:1120px;border:0;background:#f5f5f5;border-radius:5px}.page-footer{display:flex;justify-content:space-between;padding:18px clamp(22px,4vw,64px);background:#17181b;color:#8f9399;font-size:11px}.page-footer span:first-child{color:#fff;font-weight:700}@media(max-width:1100px){.page-header{grid-template-columns:1fr 2fr}.header-stats{grid-column:1/-1}.workspace{grid-template-columns:320px minmax(0,1fr)}.detail-grid{grid-template-columns:repeat(2,1fr)}.global-notes{grid-template-columns:1fr}.global-notes div{padding:13px 24px}.qa-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.page-header{display:block;padding:22px}.header-copy{margin-top:24px}.header-stats{margin-top:22px;overflow:auto}.spec-issues{margin:14px}.workspace{display:block}.sidebar{position:static;height:auto;border-right:0;border-bottom:1px solid #d7d9dc}.scenario-list{max-height:430px;overflow:auto}.review-panel{padding:24px 14px 36px}.review-toolbar{display:block}.toolbar-actions{margin-top:16px;justify-content:space-between}.detail-grid,.qa-grid{grid-template-columns:1fr}.preview-frame-shell{padding:8px;margin-top:16px}.preview-frame-shell iframe{height:900px}.page-footer{display:block}.page-footer span{display:block;margin:5px 0}}
/* Compact review shell: keep the email itself above the fold. */
.compact-header{min-height:56px;padding:0 24px;display:flex;align-items:center;gap:22px;background:#17181b;color:#fff;border-bottom:3px solid var(--red)}
.compact-brand{font-size:22px;font-weight:900;letter-spacing:-1.1px;color:var(--red);white-space:nowrap}
.compact-brand span{color:#fff}
.compact-title{font-size:16px;font-weight:800}
.compact-title span{margin-left:7px;color:#92969c;font-size:12px;font-weight:500}
.compact-meta{margin-left:auto;display:flex;align-items:center;gap:8px}
.compact-meta span{padding:5px 8px;border:1px solid #3b3e43;border-radius:999px;color:#b9bcc1;font-size:10px;text-transform:uppercase;letter-spacing:.06em;white-space:nowrap}
.spec-issues{margin:0;max-width:none;border-width:0 0 1px;border-radius:0;background:#fff8ec}
.spec-issues summary{padding:10px 24px}
.spec-issues ul{padding-bottom:12px}
.workspace{max-width:none;margin:0;min-height:calc(100vh - 99px);align-items:start}
.sidebar{padding:16px 16px 24px;height:calc(100vh - 56px)}
.sidebar-head{margin-bottom:10px}
.segmented{margin-bottom:12px}
.field{margin-bottom:9px}
.scenario-list{margin-top:12px}
.review-panel{padding:16px 24px 28px}
.review-toolbar{align-items:center}
.review-toolbar h2{margin-top:2px;font-size:26px}
.detail-grid{margin-top:12px}
.detail-grid>div{padding:10px 12px}
.detail-grid span,.qa-grid span{margin-bottom:4px}
.timing-note,.warning-list{margin-top:8px;padding:8px 12px}
.qa-details{margin-top:8px}
.qa-details summary{padding:9px 12px}
.preview-frame-shell{margin-top:12px;padding:10px;border-radius:7px;box-shadow:none}
.preview-frame-shell iframe{height:calc(100vh - 255px);min-height:720px}
.page-footer{display:none}
@media(max-width:760px){.compact-header{padding:10px 14px;gap:10px;flex-wrap:wrap}.compact-title span{display:none}.compact-meta{width:100%;margin-left:0}.compact-meta span{font-size:9px}.spec-issues summary{padding:10px 14px}.sidebar{height:auto;padding:14px}.review-panel{padding:14px}.preview-frame-shell iframe{height:780px;min-height:0}}