:root {
  --b4-blue:#566f9f;
  --b4-blue-dark:#273c61;
  --b4-blue-deep:#10233c;
  --ink:#14243a;
  --muted:#6e7f93;
  --line:#d8e0e9;
  --line-strong:#c3cfdd;
  --surface:#fff;
  --canvas:#f3f6f9;
  --soft:#eef3f8;
  --green:#1f9c70;
  --green-soft:#e7f7f0;
  --red:#d8465a;
  --red-soft:#fff0f2;
  --amber:#b87810;
  --amber-soft:#fff7e6;
  --shadow:0 14px 32px rgba(29,49,77,.08);
}
*{box-sizing:border-box}
html{min-width:320px;background:var(--canvas)}
body{margin:0;color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:linear-gradient(180deg,#f8fafc 0,#f2f5f8 100%)}
button,textarea,input{font:inherit}button{cursor:pointer}
[hidden]{display:none!important}
.app-shell{min-height:100vh;display:flex;flex-direction:column}
.topbar{height:68px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 clamp(16px,4vw,56px);position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit;min-width:0}
.brand-logo{width:74px;height:44px;object-fit:contain;object-position:left center}
.brand-divider{width:1px;height:30px;background:var(--line)}
.brand-copy{display:grid;line-height:1.05}.brand-copy strong{font-size:14px}.brand-copy small{margin-top:4px;font-size:9px;color:var(--muted);letter-spacing:.12em;text-transform:uppercase}
.topbar-actions{display:flex;align-items:center;gap:8px}.status-pill{height:32px;padding:0 10px;border:1px solid var(--line);display:inline-flex;align-items:center;gap:7px;color:var(--muted);background:#fff;font-size:11px}.status-dot{width:7px;height:7px;border-radius:50%;background:#9aabba}.status-pill.is-online .status-dot{background:var(--green)}.status-pill.is-offline .status-dot{background:var(--red)}
.icon-button{width:34px;height:34px;border:1px solid var(--line);background:#fff;color:var(--b4-blue-dark)}
.page-content{width:min(1480px,calc(100% - 32px));margin:0 auto;flex:1}
.hero{display:grid;grid-template-columns:minmax(0,.8fr) minmax(500px,1.2fr);gap:44px;align-items:end;padding:30px 0 22px}.eyebrow,.panel-kicker{color:var(--b4-blue);font-size:9px;font-weight:900;letter-spacing:.16em}.hero h1{margin:6px 0 7px;font-size:clamp(27px,2.7vw,41px);line-height:1;letter-spacing:-.04em}.hero p{margin:0;max-width:620px;color:var(--muted);font-size:13px;line-height:1.55}
.flow-steps{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);background:#fff}.step{min-width:0;padding:11px 13px;display:flex;align-items:center;gap:10px;border-left:1px solid var(--line)}.step:first-child{border-left:0}.step>span{font-size:10px;font-weight:900;color:var(--b4-blue);letter-spacing:.05em}.step.is-active{box-shadow:inset 0 -3px 0 var(--b4-blue)}.step div{min-width:0;display:grid}.step strong{font-size:11px}.step small{font-size:9px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.workspace{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:16px;align-items:stretch;padding-bottom:26px}.panel{min-height:620px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);overflow:hidden;position:relative}.panel:before{content:"";position:absolute;left:0;top:0;width:4px;height:54px;background:var(--b4-blue)}
.panel-heading{min-height:68px;padding:16px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:14px;background:#fff}.panel-heading h2{font-size:16px;margin:4px 0 0;letter-spacing:-.015em}.file-meta{max-width:45%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:10px;color:var(--muted)}
.input-panel{display:flex;flex-direction:column}.drop-zone{position:relative;flex:1;margin:14px 16px 0;min-height:430px;border:1px dashed #9fb0c4;background:#fbfcfe;overflow:hidden}.drop-zone.is-dragging{border-color:var(--b4-blue);background:#f2f6fb}.drop-zone textarea{position:absolute;inset:0;width:100%;height:100%;resize:none;border:0;outline:0;padding:18px;background:transparent;color:#23374d;font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;font-size:11px;line-height:1.55;opacity:0;pointer-events:none}.drop-zone.has-content textarea{opacity:1;pointer-events:auto}.drop-empty{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:28px;color:var(--muted)}.drop-zone.has-content .drop-empty{display:none}.upload-icon{width:54px;height:42px;border:1px solid var(--line-strong);display:grid;place-items:center;margin-bottom:12px;color:var(--b4-blue-dark);font-size:10px;font-weight:900;letter-spacing:.08em}.drop-empty strong{color:var(--ink);font-size:14px}.drop-empty span{margin:4px 0 16px;font-size:11px}
.input-footer{padding:13px 16px 16px;display:flex;justify-content:space-between;align-items:center;gap:14px}.input-actions-left{display:flex;align-items:center;gap:7px;min-width:0}.char-count{color:var(--muted);font-size:9px;white-space:nowrap}.primary-button,.secondary-button,.ghost-button{min-height:36px;border:0;padding:0 14px;font-weight:800;font-size:10px;transition:.15s}.primary-button{background:var(--b4-blue-dark);color:#fff;min-width:124px}.primary-button:hover{background:var(--b4-blue-deep)}.primary-button:disabled,.ghost-button:disabled{opacity:.45;cursor:not-allowed}.secondary-button{background:#fff;color:var(--b4-blue-dark);border:1px solid var(--line-strong)}.ghost-button{background:#fff;color:var(--b4-blue-dark);border:1px solid var(--line)}.ghost-button.danger{color:var(--red)}.button-spinner{display:none;width:13px;height:13px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:spin .75s linear infinite}.primary-button.is-loading .button-label{display:none}.primary-button.is-loading .button-spinner{display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}
.result-panel{display:flex;flex-direction:column}.result-actions{display:flex;gap:7px;flex-wrap:wrap}.result-empty{flex:1;padding:28px 22px;display:flex;flex-direction:column;justify-content:center}.readiness-head{display:flex;align-items:center;gap:15px;padding-bottom:18px;border-bottom:1px solid var(--line)}.readiness-mark{width:48px;height:48px;display:grid;place-items:center;background:var(--b4-blue-dark);color:#fff;font-weight:900;font-size:16px}.readiness-head h3{margin:4px 0 4px;font-size:18px}.readiness-head p{margin:0;color:var(--muted);font-size:11px;line-height:1.5}.readiness-list{display:grid}.readiness-row{display:grid;grid-template-columns:40px minmax(0,1fr) auto;gap:12px;align-items:center;padding:15px 0;border-bottom:1px solid var(--line)}.readiness-index{font-size:10px;font-weight:900;color:var(--b4-blue)}.readiness-row div{display:grid;gap:2px}.readiness-row strong{font-size:12px}.readiness-row small{font-size:10px;color:var(--muted)}.readiness-status{font-size:9px;font-weight:900;text-transform:uppercase;letter-spacing:.05em;padding:5px 7px;border:1px solid var(--line)}.readiness-status.ok{color:var(--green);border-color:#b9dfd0;background:var(--green-soft)}.readiness-status.error{color:var(--red);border-color:#efc2c9;background:var(--red-soft)}.readiness-status.warning{color:var(--amber);border-color:#ecd7ad;background:var(--amber-soft)}.readiness-status.pending{color:var(--muted);background:var(--soft)}.readiness-footer{margin-top:16px;padding:14px 0 0;border-top:3px solid var(--b4-blue);display:grid;gap:4px}.readiness-footer strong{font-size:11px}.readiness-footer span{font-size:10px;color:var(--muted);line-height:1.45}kbd{border:1px solid var(--line);background:#fff;padding:1px 4px;font-size:9px}
.result-content{padding:14px 16px 18px;overflow:auto}.result-banner{padding:13px 14px;display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:12px;border-left:4px solid currentColor}.result-banner.success{background:var(--green-soft);color:#167455}.result-banner.error{background:var(--red-soft);color:#ad3144}.result-banner.warning{background:var(--amber-soft);color:#8c5e0b}.result-banner strong{display:block;font-size:12px}.result-banner small{display:block;margin-top:2px;font-size:10px;opacity:.86}.elapsed{white-space:nowrap;font-size:9px}
.document-card{border:1px solid var(--line);margin-bottom:12px}.document-card-title{padding:9px 12px;border-bottom:1px solid var(--line);background:#f7f9fb;font-size:9px;font-weight:900;letter-spacing:.09em;text-transform:uppercase}.document-grid{padding:11px 12px;display:grid;grid-template-columns:repeat(4,1fr);gap:11px}.document-grid div{min-width:0;display:grid;gap:2px}.document-grid .wide{grid-column:1/-1}.document-grid span{color:var(--muted);font-size:8px;text-transform:uppercase;letter-spacing:.05em}.document-grid strong{font-size:10px;overflow-wrap:anywhere}
.stage-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);margin-bottom:14px}.stage-card{padding:10px 11px;display:flex;align-items:center;gap:9px;border-left:1px solid var(--line)}.stage-card:first-child{border-left:0}.stage-icon{font-size:9px;color:var(--b4-blue);font-weight:900}.stage-card div{display:grid;min-width:0}.stage-card small{color:var(--muted);font-size:8px}.stage-card strong{font-size:10px}.stage-status{font-size:9px;font-weight:800;color:var(--muted)}.stage-card.is-valid .stage-status{color:var(--green)}.stage-card.is-invalid .stage-status{color:var(--red)}.stage-card.is-warning .stage-status{color:var(--amber)}
.issues-header{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:0 0 9px}.issues-title-block{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.issues-header h3{margin:0;font-size:12px}.issue-counters{display:flex;gap:5px}.counter{padding:4px 6px;font-size:8px;font-weight:900;border:1px solid var(--line);background:#fff}.counter.error{background:var(--red-soft);color:var(--red);border-color:#f1cbd1}.counter.warning{background:var(--amber-soft);color:var(--amber);border-color:#ecd7ad}.issues-toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.segmented-control{display:flex;border:1px solid var(--line)}.segment{border:0;border-left:1px solid var(--line);background:#fff;padding:6px 8px;font-size:9px;color:var(--muted)}.segment:first-child{border-left:0}.segment.is-active{background:var(--b4-blue-dark);color:#fff}.blocking-filter{font-size:9px;color:var(--muted);display:flex;align-items:center;gap:5px}.issues-list{display:grid;gap:7px;max-height:300px;overflow:auto;padding-right:2px}.issue-group{border:1px solid var(--line);border-left:3px solid var(--red);padding:9px 10px;background:#fff}.issue-group.warning{border-left-color:var(--amber)}.issue-group-header{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:5px}.issue-group-title{font-size:10px;font-weight:900;text-transform:uppercase;letter-spacing:.04em;color:var(--ink)}.issue-group-subtitle{font-size:9px;color:var(--muted);margin-top:2px}.issue-group-count{min-width:24px;height:24px;display:grid;place-items:center;font-size:9px;font-weight:900;background:var(--soft);border:1px solid var(--line)}.issue-lines{display:grid}.issue-row{display:flex;align-items:flex-start;justify-content:space-between;gap:9px;padding:7px 0;border-top:1px dashed #dfe6ee;background:transparent}.issue-row:first-child{border-top:0}.issue-row-main{display:flex;align-items:flex-start;gap:7px;min-width:0;flex:1}.badge{font-size:7px;text-transform:uppercase;font-weight:900;letter-spacing:.06em;margin-top:2px}.issue-row.error .badge{color:var(--red)}.issue-row.warning .badge{color:var(--amber)}.issue-row-text{min-width:0;display:flex;align-items:baseline;gap:7px;flex-wrap:wrap}.issue-link,.learn-more-link{border:0;background:transparent;padding:0;text-align:left;cursor:pointer}.issue-link{color:#315f9b;font-size:10px;line-height:1.4;text-decoration:underline;text-underline-offset:2px}.learn-more-link{color:var(--b4-blue-dark);font-size:8px;font-weight:900;text-transform:uppercase;letter-spacing:.04em}.issue-row-side{display:flex;align-items:center;gap:5px;flex-wrap:wrap;justify-content:flex-end}.issue-row code{color:var(--muted);font-size:8px}.meta-chip{font-size:8px;font-weight:700;color:#52687f;background:var(--soft);border:1px solid var(--line);padding:2px 5px}.no-issues{padding:16px;border:1px solid #badaca;border-left:3px solid var(--green);background:var(--green-soft);color:#217357;font-size:10px;text-align:left}
.footer{min-height:46px;padding:0 clamp(16px,4vw,56px);border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:18px;color:var(--muted);font-size:9px;background:#fff}
.settings-dialog{width:min(520px,calc(100% - 24px));border:1px solid var(--line);padding:0;box-shadow:0 28px 70px rgba(17,37,57,.28)}.settings-dialog::backdrop{background:rgba(9,26,41,.48);backdrop-filter:blur(3px)}.settings-dialog form{padding:20px}.dialog-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:16px}.dialog-heading h2{margin:4px 0 0;font-size:17px}.dialog-close{border:0;background:transparent;color:var(--muted);font-size:23px}.settings-dialog label{display:grid;gap:6px;font-size:10px;font-weight:800}.settings-dialog input{min-height:40px;border:1px solid var(--line);padding:0 10px;outline:0}.settings-dialog p{color:var(--muted);font-size:10px;line-height:1.5}.schema-box{margin-top:14px;padding:12px;border:1px solid var(--line);background:var(--soft);display:grid;gap:6px}.schema-box>div{display:grid;gap:3px}.schema-box strong{font-size:11px}.schema-box small{font-size:9px;color:var(--muted);line-height:1.45}.schema-box code,.help-block code{display:block;padding:7px 8px;background:#fff;border:1px solid var(--line);font-size:9px;overflow-wrap:anywhere;white-space:normal}.dialog-actions{display:flex;justify-content:flex-end;gap:7px;margin-top:17px}.issue-help-body{display:grid;gap:13px}.issue-help-summary{display:flex;gap:6px;flex-wrap:wrap}.help-block{display:grid;gap:5px}.help-block p,.help-block ul{margin:0}.help-block ul{padding-left:18px}.help-block li{margin:4px 0;font-size:11px;line-height:1.45;color:#34495f}.toast{position:fixed;right:16px;bottom:16px;max-width:min(360px,calc(100% - 32px));padding:10px 12px;background:var(--b4-blue-deep);color:#fff;font-size:10px;box-shadow:var(--shadow);opacity:0;transform:translateY(10px);pointer-events:none;transition:.2s;z-index:40}.toast.is-visible{opacity:1;transform:translateY(0)}
@media(max-width:1080px){.hero{grid-template-columns:1fr;gap:18px}.workspace{grid-template-columns:1fr}.panel{min-height:560px}.result-empty{min-height:480px}}
@media(max-width:720px){.page-content{width:min(100% - 18px,1480px)}.topbar{height:60px;padding:0 10px}.brand-logo{width:58px;height:37px}.brand-copy strong{font-size:12px}.status-pill{display:none}.hero{padding:20px 0 15px}.hero h1{font-size:29px}.flow-steps{grid-template-columns:1fr}.step{border-left:0;border-top:1px solid var(--line);padding:9px 11px}.step:first-child{border-top:0}.step.is-active{box-shadow:inset 3px 0 0 var(--b4-blue)}.workspace{gap:10px}.panel{min-height:auto}.panel-heading{padding:13px 12px;align-items:flex-start;flex-direction:column}.file-meta{max-width:100%}.drop-zone{margin:10px 10px 0;min-height:390px}.input-footer{padding:10px;flex-direction:column;align-items:stretch}.input-actions-left{flex-wrap:wrap}.primary-button{width:100%}.result-actions{width:100%}.result-actions .ghost-button{flex:1}.result-empty{padding:20px 14px;min-height:440px}.readiness-head{align-items:flex-start}.readiness-row{grid-template-columns:30px minmax(0,1fr);gap:8px}.readiness-status{grid-column:2;justify-self:start}.result-content{padding:10px}.document-grid{grid-template-columns:repeat(2,1fr)}.stage-grid{grid-template-columns:1fr}.stage-card{border-left:0;border-top:1px solid var(--line)}.stage-card:first-child{border-top:0}.issues-header{align-items:flex-start;flex-direction:column}.issues-toolbar{width:100%;justify-content:space-between}.issue-row{flex-direction:column}.issue-row-side{justify-content:flex-start;margin-left:0}.footer{padding:12px;align-items:flex-start;flex-direction:column}.settings-dialog form{padding:15px}}
@media(max-width:430px){.brand-divider,.brand-copy small{display:none}.hero p{font-size:12px}.document-grid{grid-template-columns:1fr}.document-grid .wide{grid-column:auto}.segmented-control{width:100%}.segment{flex:1}.blocking-filter{width:100%}.readiness-mark{width:42px;height:42px}.issue-row-text{display:grid;gap:3px}}

/* === RC15 compact + theme system === */
:root,
html[data-theme="light"] {
  --bg: #eef2f6;
  --surface: #ffffff;
  --surface-2: #f7f9fc;
  --surface-3: #eef3f8;
  --ink: #163049;
  --ink-soft: #38516a;
  --muted: #6a8096;
  --line: #d8e0e8;
  --line-strong: #c4d0db;
  --b4-blue: #596f9d;
  --b4-blue-dark: #30486f;
  --b4-blue-deep: #132640;
  --green: #1a8f63;
  --green-soft: #e8f6ef;
  --red: #c23c4f;
  --red-soft: #fdecef;
  --amber: #b57a00;
  --amber-soft: #fff6df;
  --shadow: 0 16px 34px rgba(19, 38, 64, 0.08);
}
html[data-theme="dark"] {
  --bg: #0c1520;
  --surface: #101b28;
  --surface-2: #132131;
  --surface-3: #0f1b28;
  --ink: #e7eff8;
  --ink-soft: #c5d2df;
  --muted: #8ea0b3;
  --line: #263647;
  --line-strong: #344a61;
  --b4-blue: #7f99c9;
  --b4-blue-dark: #9fb5de;
  --b4-blue-deep: #06111f;
  --green: #49c692;
  --green-soft: rgba(73, 198, 146, 0.12);
  --red: #ff6e83;
  --red-soft: rgba(255, 110, 131, 0.12);
  --amber: #ffbf4d;
  --amber-soft: rgba(255, 191, 77, 0.12);
  --shadow: 0 18px 38px rgba(0, 0, 0, 0.34);
}
html[data-theme="dark"] body,
html[data-theme="dark"] .app-shell,
html[data-theme="dark"] .topbar,
html[data-theme="dark"] .panel,
html[data-theme="dark"] .footer,
html[data-theme="dark"] .drop-zone,
html[data-theme="dark"] textarea,
html[data-theme="dark"] .document-card-title,
html[data-theme="dark"] .issue-group,
html[data-theme="dark"] .schema-box,
html[data-theme="dark"] .settings-dialog,
html[data-theme="dark"] .result-empty,
html[data-theme="dark"] .stage-summary-card {
  background: var(--surface);
  color: var(--ink);
}
html[data-theme="dark"] body { background: var(--bg); }
html[data-theme="dark"] .hero,
html[data-theme="dark"] .document-card-title,
html[data-theme="dark"] .drop-zone.has-content,
html[data-theme="dark"] .schema-box,
html[data-theme="dark"] .result-empty,
html[data-theme="dark"] .readiness-status.pending,
html[data-theme="dark"] .counter,
html[data-theme="dark"] .segment,
html[data-theme="dark"] .meta-chip,
html[data-theme="dark"] .issue-group-count,
html[data-theme="dark"] .help-block code,
html[data-theme="dark"] .schema-box code,
html[data-theme="dark"] kbd {
  background: var(--surface-2);
}
html[data-theme="dark"] .drop-zone textarea,
html[data-theme="dark"] .settings-dialog input {
  background: var(--surface-2);
  color: var(--ink);
}
html[data-theme="dark"] .ghost-button,
html[data-theme="dark"] .secondary-button,
html[data-theme="dark"] .icon-button,
html[data-theme="dark"] .status-pill,
html[data-theme="dark"] .readiness-status,
html[data-theme="dark"] .document-card,
html[data-theme="dark"] .stage-grid,
html[data-theme="dark"] .stage-card,
html[data-theme="dark"] .issue-group,
html[data-theme="dark"] .issue-group-count,
html[data-theme="dark"] .counter,
html[data-theme="dark"] .segmented-control,
html[data-theme="dark"] .segment,
html[data-theme="dark"] .settings-dialog,
html[data-theme="dark"] .schema-box,
html[data-theme="dark"] .help-block code,
html[data-theme="dark"] .schema-box code,
html[data-theme="dark"] .drop-zone,
html[data-theme="dark"] .topbar,
html[data-theme="dark"] .panel,
html[data-theme="dark"] .footer,
html[data-theme="dark"] .workspace,
html[data-theme="dark"] .input-footer,
html[data-theme="dark"] .document-grid,
html[data-theme="dark"] .stage-summary-card,
html[data-theme="dark"] .panel-heading,
html[data-theme="dark"] .flow-steps,
html[data-theme="dark"] .step,
html[data-theme="dark"] .readiness-row,
html[data-theme="dark"] .readiness-footer,
html[data-theme="dark"] .issue-row {
  border-color: var(--line);
}
html[data-theme="dark"] .brand-copy strong,
html[data-theme="dark"] h1,
html[data-theme="dark"] h2,
html[data-theme="dark"] h3,
html[data-theme="dark"] .issue-group-title,
html[data-theme="dark"] .document-grid strong,
html[data-theme="dark"] .readiness-row strong,
html[data-theme="dark"] .result-banner strong { color: var(--ink); }
html[data-theme="dark"] .brand-copy small,
html[data-theme="dark"] .hero p,
html[data-theme="dark"] .panel-kicker,
html[data-theme="dark"] .document-grid span,
html[data-theme="dark"] .issue-group-subtitle,
html[data-theme="dark"] .char-count,
html[data-theme="dark"] .file-meta,
html[data-theme="dark"] .readiness-row small,
html[data-theme="dark"] .readiness-footer span,
html[data-theme="dark"] .stage-card small,
html[data-theme="dark"] .stage-status,
html[data-theme="dark"] .issue-row code,
html[data-theme="dark"] .help-block li,
html[data-theme="dark"] .schema-box small,
html[data-theme="dark"] .settings-dialog p,
html[data-theme="dark"] .blocking-filter,
html[data-theme="dark"] .issue-link-hint,
html[data-theme="dark"] .elapsed,
html[data-theme="dark"] .status-pill,
html[data-theme="dark"] .step small {
  color: var(--muted);
}
html[data-theme="dark"] .result-banner.success strong,
html[data-theme="dark"] .result-banner.warning strong,
html[data-theme="dark"] .result-banner.error strong { color: inherit; }
html[data-theme="dark"] .ghost-button,
html[data-theme="dark"] .secondary-button,
html[data-theme="dark"] .icon-button,
html[data-theme="dark"] .segment,
html[data-theme="dark"] .counter,
html[data-theme="dark"] .issue-group-count,
html[data-theme="dark"] .meta-chip,
html[data-theme="dark"] .help-block code,
html[data-theme="dark"] .schema-box code,
html[data-theme="dark"] .readiness-status.pending,
html[data-theme="dark"] kbd {
  color: var(--ink-soft);
}
html[data-theme="dark"] .issue-link,
html[data-theme="dark"] .learn-more-link { color: var(--b4-blue-dark); }
html[data-theme="dark"] .segment.is-active,
html[data-theme="dark"] .primary-button,
html[data-theme="dark"] .toast { background: var(--b4-blue-dark); color: #06111f; }
html[data-theme="dark"] .primary-button .button-label { color: #06111f; }
html[data-theme="dark"] .status-pill.is-online,
html[data-theme="dark"] .readiness-status.ok,
html[data-theme="dark"] .counter.error,
html[data-theme="dark"] .counter.warning,
html[data-theme="dark"] .result-banner.success,
html[data-theme="dark"] .result-banner.error,
html[data-theme="dark"] .result-banner.warning { box-shadow: none; }

.stage-summary-card {
  display: none;
  border: 1px solid var(--line);
  padding: 10px 12px;
  margin-bottom: 12px;
  background: var(--surface-2);
}
.stage-summary-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
}
.stage-summary-top strong {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--ink);
}
.stage-summary-overall {
  font-size: 9px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.stage-summary-overall.success { color: var(--green); }
.stage-summary-overall.warning { color: var(--amber); }
.stage-summary-overall.error { color: var(--red); }
.stage-summary-text {
  font-size: 10px;
  color: var(--ink-soft);
  line-height: 1.45;
}

/* compact spacing optimizations */
.hero { gap: 18px; padding: 20px 0 14px; }
.hero h1 { margin: 6px 0 8px; }
.hero p { max-width: 60ch; }
.flow-steps { align-self: stretch; }
.step { padding: 10px 12px; }
.panel-heading { gap: 10px; }
.document-grid { gap: 9px; }
.document-grid strong { line-height: 1.35; }
.issues-list { max-height: 360px; }
.result-actions, .topbar-actions { flex-wrap: wrap; }

@media (max-width: 900px) {
  .page-content { width: min(100% - 18px, 1480px); }
  .hero { padding: 14px 0 10px; }
  .hero-copy h1 { font-size: 32px; }
  .flow-steps { grid-template-columns: 1fr; }
  .step { border-left: 0; border-top: 1px solid var(--line); }
  .step:first-child { border-top: 0; }
  .document-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .topbar { gap: 8px; }
  .topbar-actions { gap: 6px; }
  .icon-button { min-width: 34px; height: 34px; }
  .hero { padding: 10px 0 8px; }
  .hero-copy { display: grid; gap: 4px; }
  .hero-copy p { font-size: 11px; }
  .flow-steps { display: none; }
  .panel-heading h2 { font-size: 16px; }
  .drop-zone { min-height: 280px; }
  .drop-empty strong { font-size: 14px; }
  .drop-empty span { font-size: 11px; }
  .result-empty { min-height: 260px; }
  .readiness-list { gap: 0; }
  .readiness-row { padding: 10px 0; }
  .document-card-title { padding: 8px 10px; }
  .document-grid { grid-template-columns: 1fr 1fr; padding: 9px 10px; gap: 8px; }
  .stage-grid { display: none; }
  .stage-summary-card { display: block; }
  .issues-header { gap: 8px; }
  .issues-title-block { width: 100%; justify-content: space-between; }
  .issues-toolbar { width: 100%; gap: 6px; }
  .segmented-control { flex: 1; min-width: 0; }
  .segment { flex: 1; font-size: 8px; padding: 6px 5px; }
  .blocking-filter { font-size: 8px; white-space: nowrap; }
  .issues-list { max-height: 280px; }
  .issue-group { padding: 8px 9px; }
  .issue-group-header { margin-bottom: 4px; }
  .issue-group-title { font-size: 9px; }
  .issue-group-subtitle { font-size: 8px; }
  .issue-row { gap: 6px; padding: 6px 0; }
  .issue-row-text { gap: 4px; }
  .issue-link { font-size: 9px; }
  .learn-more-link { font-size: 7px; }
  .meta-chip, .issue-row code, .badge { font-size: 7px; }
  .result-actions .ghost-button, .input-actions-left .ghost-button { min-height: 34px; }
  .footer { font-size: 8px; }
}

@media (max-width: 430px) {
  .page-content { width: min(100% - 12px, 1480px); }
  .topbar { padding: 0 8px; }
  .brand-copy strong { font-size: 11px; }
  .hero-copy h1 { font-size: 24px; }
  .hero-copy p { display: none; }
  .panel-heading { padding: 10px; }
  .drop-zone { margin: 8px 8px 0; min-height: 235px; }
  .input-footer { padding: 8px; gap: 8px; }
  .result-content { padding: 8px; }
  .document-grid { grid-template-columns: 1fr; }
  .document-grid .wide { grid-column: auto; }
  .result-actions { gap: 6px; }
  .result-actions .ghost-button { flex: 1 1 calc(50% - 3px); font-size: 9px; }
  .issue-counters { gap: 4px; }
  .counter { padding: 3px 5px; font-size: 7px; }
  .issues-toolbar { flex-direction: column; align-items: stretch; }
  .blocking-filter { width: 100%; justify-content: flex-start; }
  .issue-row-main { gap: 5px; }
  .issue-row-side { width: 100%; justify-content: flex-start; }
  .stage-summary-text { font-size: 9px; }
}