:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#172033;background:#eef2f7}*{box-sizing:border-box}body{margin:0;min-height:100vh}.shell{width:min(920px,calc(100% - 32px));margin:48px auto}.brand{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:22px}.brand h1{margin:0;font-size:clamp(28px,5vw,42px);letter-spacing:-.035em}.brand p{margin:5px 0 0;color:#667085}.version{font-size:13px;color:#667085}.card{background:#fff;border:1px solid #e4e7ec;border-radius:16px;padding:28px;box-shadow:0 8px 30px rgba(16,24,40,.06)}.auth-card{max-width:520px;margin:0 auto}.card h2{margin:0 0 6px}.muted{color:#667085}.small{font-size:13px}form,label{display:grid;gap:7px}form{gap:16px;margin-top:22px}input,select,button{font:inherit}input,select{width:100%;padding:12px 13px;border:1px solid #cfd4dc;border-radius:9px;background:#fff;color:#172033}input:focus,select:focus{outline:2px solid #9bbcff;outline-offset:1px}button{border-radius:9px;padding:11px 16px;border:1px solid transparent;cursor:pointer;font-weight:650}.primary{width:100%;background:#1f5eff;color:#fff}.primary:disabled{opacity:.45;cursor:not-allowed}.secondary{background:#fff;border-color:#d0d5dd;color:#344054}.text-button{background:transparent;color:#1f5eff;padding:12px 0 0}.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.badge{display:inline-block;margin-left:8px;padding:3px 8px;border-radius:999px;background:#e8efff;color:#1949b8;font-size:12px}.tabs{display:flex;gap:8px;margin-bottom:12px}.tab{background:transparent;border-color:#d0d5dd}.tab.active{background:#172033;color:#fff}.grid.two{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:22px 0}.drop-zone{position:relative;min-height:190px;border:2px dashed #b8c1cf;border-radius:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:26px;cursor:pointer;background:#f8fafc}.drop-zone.drag{border-color:#1f5eff;background:#f1f5ff}.drop-zone input{position:absolute;inset:0;opacity:0;cursor:pointer}.drop-title{font-size:18px;font-weight:700}.file-list{display:grid;gap:9px;margin:16px 0}.file-row{display:flex;justify-content:space-between;gap:12px;padding:10px 12px;border:1px solid #e4e7ec;border-radius:9px}.message{margin-top:14px;padding:11px 12px;border-radius:9px;background:#f2f4f7;white-space:pre-wrap;overflow-wrap:anywhere}.message.error{background:#fff1f0;color:#9b1c1c}.message.success{background:#ecfdf3;color:#067647}.section-head{display:flex;justify-content:space-between;gap:16px;align-items:center}.section-head p{margin:3px 0 0}.table-wrap{overflow:auto;margin-top:16px}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:10px;border-bottom:1px solid #eaecf0;vertical-align:top}td:last-child{max-width:360px;overflow-wrap:anywhere}@media(max-width:640px){.shell{width:min(100% - 20px,920px);margin:20px auto}.card{padding:20px}.brand{align-items:flex-start}.grid.two{grid-template-columns:1fr}.toolbar{align-items:flex-start;gap:12px}.tabs{overflow:auto}.section-head{align-items:flex-start;flex-direction:column}}@media(prefers-color-scheme:dark){:root{color:#eef2f7;background:#111827}.card{background:#182132;border-color:#2d3748}.brand p,.version,.muted{color:#aeb8c8}input,select{background:#111827;color:#eef2f7;border-color:#46536a}.secondary,.tab{background:#182132;color:#eef2f7;border-color:#46536a}.tab.active{background:#eef2f7;color:#111827}.drop-zone{background:#131c2b;border-color:#46536a}.file-row,th,td{border-color:#2d3748}.message{background:#222c3d}.message.error{background:#451a1a;color:#fecaca}.message.success{background:#052e24;color:#a7f3d0}}
.ip-current{display:flex;justify-content:space-between;gap:18px;align-items:center;margin:20px 0;padding:16px;border:1px solid #e4e7ec;border-radius:12px}.ip-current>div{display:grid;gap:4px}.compact{width:auto}.danger{background:#7f1d1d;color:#fff}.admin-tab[hidden]{display:none}@media(max-width:640px){.ip-current{align-items:stretch;flex-direction:column}.compact{width:100%}}

.user-tools{display:flex;gap:10px;align-items:center;margin:14px 0;flex-wrap:wrap}.user-tools input[type=email],.user-tools input:not([type]){min-width:260px}.user-detail{margin-top:18px;padding:16px;border:1px solid #e4e7ec;border-radius:12px;white-space:pre-wrap}.mini{padding:6px 9px;margin:2px;font-size:.82rem}@media(max-width:640px){.user-tools>*{width:100%}}

#destinationAdminRows select,#destinationAdminRows input{min-width:125px;margin:2px}.linkish{background:none;border:0;text-decoration:underline;cursor:pointer;padding:0}

.admin-form,.permission-add{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:16px 0}
.admin-form input{min-width:180px;flex:1}.permission-add input[type=text],.permission-add input:not([type]){min-width:220px}
#userDetail pre{overflow:auto;max-height:180px}
@media(max-width:640px){.admin-form>*{width:100%}.permission-add>*{width:100%}}

.message.warning{background:#fffaeb;color:#b54708}
#destinationAdminRows .dest-path{min-width:190px}
#destinationAdminRows .dest-name{min-width:210px}
#destinationAdminRows .dest-overwrite{min-width:150px}
#destinationAdminRows .dest-prefix{min-width:190px}
#destinationAdminRows td:last-child{min-width:145px}
#destinationAdminRows td:last-child button{display:block;width:100%;margin:5px 0}
@media(max-width:760px){
  #destinationAdminRows select,#destinationAdminRows input{min-width:180px;width:100%}
}

/* S3U-053 Activity Log */
.audit-time{white-space:nowrap;min-width:125px;width:125px}
.audit-details{width:55%;min-width:320px;white-space:normal;overflow-wrap:anywhere}
.audit-detail{margin:2px 0;line-height:1.35}
.audit-detail span{font-weight:650}
#activityTable th:first-child,#activityTable td:first-child{width:125px;white-space:nowrap}
#activityTable th:last-child,#activityTable td:last-child{width:55%;min-width:320px}
@media(max-width:700px){
  #activityTable th:last-child,#activityTable td:last-child{min-width:260px}
  .audit-details{min-width:260px}
}

/* S3U-057 IP Administration alignment */
#adminIpRows td,#ipRows td{vertical-align:middle}
#adminIpRows tr,#ipRows tr{vertical-align:middle}
#adminIpRows td:last-child,#ipRows td:last-child{text-align:center}
#adminIpRows .admin-revoke-ip,#ipRows .revoke-ip{display:inline-flex;align-items:center;justify-content:center}

.changelog-content .release{padding:14px 0;border-bottom:1px solid var(--border,#334155)}
.changelog-content .release h3{margin:0 0 10px}
.changelog-content .release small{font-weight:400;opacity:.7;margin-left:8px}
.change-row{display:grid;grid-template-columns:95px 110px 1fr;gap:12px;padding:6px 0}
@media(max-width:640px){.change-row{grid-template-columns:85px 1fr}.change-row div{grid-column:1/-1}}

.dashboard-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:14px}
.dashboard-card{border:1px solid var(--border,#334155);border-radius:10px;padding:16px;display:flex;flex-direction:column;gap:5px}
.dashboard-card strong{font-size:1.65rem}.dashboard-card span{opacity:.75}
@media(max-width:850px){.dashboard-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:500px){.dashboard-grid{grid-template-columns:1fr}}

/* S3U-059/S3U-068 Destination Administration structural layout */
.destination-admin-list{display:grid;gap:16px;margin-top:18px;min-width:0}
.destination-card{border:1px solid var(--border,#334155);border-radius:12px;padding:18px;min-width:0;overflow:hidden}
.destination-card-head{display:flex;justify-content:space-between;gap:16px;margin-bottom:16px;min-width:0}
.destination-identity{min-width:0}
.destination-identity h3{margin:0 0 10px;font-size:1.15rem}
.destination-identity>div{display:grid;grid-template-columns:90px minmax(0,1fr);gap:8px;margin-top:5px;min-width:0}
.field-caption{opacity:.68}
.destination-identity code,.bucket-value{white-space:normal;overflow-wrap:anywhere;word-break:break-word;min-width:0}
.destination-policy-grid{display:grid;grid-template-columns:minmax(150px,1fr) minmax(180px,1.15fr) minmax(130px,.75fr);gap:12px;min-width:0}
.destination-policy-grid label{display:flex;flex-direction:column;gap:7px;min-width:0}
.destination-policy-grid select,.destination-policy-grid input{box-sizing:border-box;width:100%;max-width:100%;min-width:0}
.destination-prefix{grid-column:1/-1}
.destination-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.destination-actions button{width:auto;min-width:100px;margin:0}
@media(max-width:800px){
 .destination-policy-grid{grid-template-columns:1fr 1fr}
 .destination-prefix{grid-column:1/-1}
}
@media(max-width:560px){
 .destination-card{padding:14px}
 .destination-policy-grid{grid-template-columns:1fr}
 .destination-prefix{grid-column:1}
 .destination-identity>div{grid-template-columns:1fr}
 .destination-actions{display:grid;grid-template-columns:1fr}
 .destination-actions button{width:100%}
}

[hidden]{display:none!important}
.destination-admin-list{display:grid;gap:16px;margin-top:18px;min-width:0}.destination-card{border:1px solid var(--border,#334155);border-radius:12px;padding:18px;min-width:0;overflow:hidden}.destination-identity>div{display:grid;grid-template-columns:90px minmax(0,1fr);gap:8px;margin-top:5px}.destination-identity code{white-space:normal;overflow-wrap:anywhere;word-break:break-word}.destination-policy-grid{display:grid;grid-template-columns:minmax(150px,1fr) minmax(180px,1.15fr) minmax(130px,.75fr);gap:12px}.destination-policy-grid label{display:flex;flex-direction:column;gap:7px;min-width:0}.destination-policy-grid select,.destination-policy-grid input{width:100%;max-width:100%;min-width:0;box-sizing:border-box}.destination-prefix{grid-column:1/-1}.destination-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.destination-actions button{width:auto;min-width:100px;margin:0}@media(max-width:800px){.destination-policy-grid{grid-template-columns:1fr 1fr}}@media(max-width:560px){.destination-policy-grid{grid-template-columns:1fr}.destination-prefix{grid-column:1}.destination-actions{display:grid;grid-template-columns:1fr}.destination-actions button{width:100%}}

/* v0.9.3 low-hanging-fruit polish */
.header-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.env-badge,.status-pill{border:1px solid var(--border,#475569);border-radius:999px;padding:4px 8px;font-size:.78rem;font-weight:700}.env-badge{letter-spacing:.08em}.status-ok{opacity:.9}.status-error{font-weight:700}.status-checking{opacity:.65}.api-version{font-size:.8rem;opacity:.7}
.tabs{display:flex;flex-wrap:wrap;gap:8px}.tabs .tab{width:auto!important;min-width:0!important;white-space:nowrap;padding:10px 14px;flex:0 0 auto}
.site-config-form{display:grid;grid-template-columns:minmax(220px,1fr) auto;gap:12px;align-items:end;max-width:760px}.site-config-form label{min-width:0}.site-config-form input{width:100%;box-sizing:border-box}
.empty-state{padding:18px;text-align:center;opacity:.7}.change-row{grid-template-columns:110px 90px 110px minmax(0,1fr)!important}
@media(max-width:800px){.tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.tabs .tab{width:100%!important}.site-config-form{grid-template-columns:1fr}}
@media(max-width:480px){.tabs{grid-template-columns:1fr}.header-meta{justify-content:flex-start}.change-row{grid-template-columns:1fr!important}}

/* v0.9.4 S3U-088/090/091 compact operational UI */
.shell{max-width:1180px}.card{padding:18px}.brand{margin-bottom:14px}.brand h1{font-size:1.55rem}.toolbar{padding:10px 0}.tabs{gap:5px;margin:10px 0}.tabs .tab{padding:7px 10px;font-size:.9rem}.section-head{gap:12px}.section-head h2{font-size:1.2rem;margin-bottom:3px}.secondary.compact,.primary.compact{padding:7px 10px}.destination-admin-list{gap:10px;margin-top:12px}.destination-card{padding:13px}.destination-card-head{margin-bottom:10px}.destination-actions{gap:6px;margin-top:10px}.destination-actions button{min-width:82px;padding:7px 9px}.changelog-content .release{padding:9px 0}.changelog-content .release h3{font-size:1rem;margin-bottom:6px}.change-row{grid-template-columns:125px 80px 105px minmax(0,1fr)!important;gap:8px;padding:6px 0;align-items:center}.change-row strong{white-space:nowrap}.progress-wrap,.file-upload-row{margin-top:10px}.file-upload-row{border:1px solid var(--border,#334155);border-radius:8px;padding:10px}.progress-label{display:flex;justify-content:space-between;gap:10px;margin:4px 0;font-size:.84rem}progress{width:100%;height:10px}.view-toggle{display:flex;gap:6px}.browse-toolbar{display:flex;align-items:center;gap:8px;margin:8px 0 12px}.breadcrumb{flex:1;font-family:monospace;overflow-wrap:anywhere}.browse-folder{cursor:pointer}.browse-folder:hover{background:rgba(127,127,127,.08)}.assignment-panel{border-top:1px solid var(--border,#334155);margin-top:16px;padding-top:14px}.assignment-row{display:grid;grid-template-columns:minmax(180px,1.5fr) minmax(120px,1fr) 100px auto;gap:10px;align-items:center;padding:7px 0;border-bottom:1px solid var(--border,#334155)}
@media(max-width:600px){.card{padding:13px}.assignment-row{grid-template-columns:1fr}.change-row{grid-template-columns:1fr!important}.browse-toolbar{align-items:flex-start;flex-wrap:wrap}.breadcrumb{flex-basis:100%;order:3}}


/* v0.9.5 corrective UI: S3U-088, S3U-091, S3U-136, S3U-137 */
.shell{width:min(1320px,calc(100% - 28px));margin:24px auto}.card{padding:16px;border-radius:14px}.toolbar{margin-bottom:8px}.tabs{gap:5px;margin:8px 0 10px}.tabs .tab{padding:6px 10px;font-size:.86rem;border-radius:8px}.grid.two{gap:12px;margin:14px 0}input,select{padding:9px 11px}button{padding:8px 12px}.section-head h2{font-size:1.18rem}.section-head p{font-size:.92rem}.view-toggle{border:1px solid #d0d5dd;border-radius:9px;padding:2px;gap:2px}.view-toggle button{border:0;border-radius:6px}.view-toggle .active{background:#172033;color:#fff}.drop-zone{min-height:145px;padding:18px}.table-wrap{margin-top:10px}
.changelog-content .release{padding:10px 0}.change-row{display:grid;grid-template-columns:minmax(155px,auto) 105px 120px minmax(260px,1fr)!important;gap:12px;padding:5px 0;align-items:start}.change-row>strong{white-space:nowrap}.change-row>span{white-space:nowrap}.change-row>span:nth-child(2),.change-row>span:nth-child(3){display:inline-flex;width:max-content;max-width:100%;padding:2px 7px;border:1px solid #46536a;border-radius:999px;font-size:.78rem;line-height:1.35}.change-row>div{min-width:0;overflow-wrap:anywhere}
.browse-context{display:flex;gap:8px;align-items:baseline;margin-top:12px}.browse-toolbar{padding:8px 0;margin:0;min-width:0}.breadcrumb{display:flex;align-items:center;gap:5px;min-width:0;overflow-x:auto;white-space:nowrap;font-family:inherit}.crumb{background:transparent;border:0;padding:4px 5px;text-decoration:none;font-weight:650}.crumb:hover{text-decoration:underline}.crumb-sep{opacity:.55}.browse-controls{display:grid;grid-template-columns:minmax(220px,1fr) 170px;gap:8px;margin:4px 0 8px}.browse-table th:nth-child(2),.browse-table td:nth-child(2){width:120px;white-space:nowrap}.browse-table th:nth-child(3),.browse-table td:nth-child(3){width:210px;white-space:nowrap}.browse-folder td:first-child{cursor:pointer}.browse-folder td:first-child:hover{text-decoration:underline}.browse-footer{display:flex;justify-content:space-between;align-items:center;gap:10px;padding-top:9px}.empty-cell{text-align:center;padding:22px!important;opacity:.7}
@media(max-width:760px){.shell{width:min(100% - 16px,1320px);margin:10px auto}.card{padding:13px}.tabs{display:flex;flex-wrap:nowrap;overflow-x:auto;padding-bottom:3px}.tabs .tab{width:auto!important;flex:0 0 auto}.browse-controls{grid-template-columns:1fr}.browse-table th:nth-child(3),.browse-table td:nth-child(3){min-width:180px}.change-row{grid-template-columns:1fr 1fr!important;border-bottom:1px solid var(--border,#334155);gap:6px 10px;padding:9px 0}.change-row>strong{grid-column:1/-1}.change-row>div{grid-column:1/-1}.grid.two{grid-template-columns:1fr}.drop-zone{min-height:125px}}

/* v0.9.6 S3U-138: make the browse authorization boundary explicit. */
.browse-context{flex-wrap:wrap}.browse-access-label{margin-left:14px}.browse-context strong{white-space:nowrap}.browse-toolbar button:disabled{opacity:.45;cursor:not-allowed}.browse-toolbar button:disabled:hover{transform:none}.breadcrumb .crumb:first-child{border:1px solid var(--border,#334155);border-radius:7px;padding:4px 8px}.breadcrumb .crumb:first-child::before{content:'Access root: ';font-size:.75rem;opacity:.65;font-weight:500}@media(max-width:600px){.browse-access-label{margin-left:0;flex-basis:100%}}

/* S3U-140 */
.row-actions{display:flex;gap:.4rem;align-items:center;white-space:nowrap}
@media(max-width:720px){.row-actions{flex-wrap:wrap}}
.user-activity-head{margin-top:1rem;align-items:end}.activity-actions{display:flex;gap:.5rem;align-items:end;flex-wrap:wrap}.activity-actions label{font-size:.8rem}.activity-actions input{min-width:9.5rem}.danger-zone{margin-top:1rem;padding-top:.75rem;border-top:1px solid var(--border,#334155)}.danger-zone h4{margin:.1rem 0 .5rem}.status-warning{border-color:#a16207}
@media(max-width:720px){.activity-actions{width:100%}.activity-actions label,.activity-actions input,.activity-actions button{width:100%}}


/* S3U-144 / v1.0.0: deterministic changelog layout */
.changelog-content .change-row{
  display:grid!important;
  grid-template-columns:170px 130px 130px minmax(0,1fr)!important;
  column-gap:16px!important;
  row-gap:4px;
  align-items:start;
  padding:7px 0;
}
.changelog-content .change-row>strong{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.changelog-content .change-row>span{min-width:0!important;width:auto!important;max-width:100%;white-space:nowrap;justify-self:start}
.changelog-content .change-row>span:nth-child(2),
.changelog-content .change-row>span:nth-child(3){display:inline-flex;align-items:center;padding:2px 8px;border:1px solid #46536a;border-radius:999px;font-size:.76rem;line-height:1.35;overflow:hidden;text-overflow:ellipsis}
.changelog-content .change-row>div{min-width:0;overflow-wrap:anywhere;line-height:1.35}
@media(max-width:900px){
 .changelog-content .change-row{grid-template-columns:145px 120px 120px minmax(0,1fr)!important;column-gap:10px!important}
}
@media(max-width:720px){
 .changelog-content .change-row{grid-template-columns:1fr 1fr!important;gap:6px 10px!important;padding:10px 0;border-bottom:1px solid var(--border,#334155)}
 .changelog-content .change-row>strong{grid-column:1/-1;overflow:visible;text-overflow:clip}
 .changelog-content .change-row>span{grid-column:auto}
 .changelog-content .change-row>div{grid-column:1/-1}
}

/* S3U-146: configurable environment accent. Color is an additional cue; labels remain authoritative. */
:root { --env-accent: #2563eb; --env-accent-soft: rgba(37,99,235,.10); }
html[data-environment="dev"] { --env-accent: #b45309; --env-accent-soft: rgba(180,83,9,.12); }
html[data-environment="prod"] { --env-accent: #2563eb; --env-accent-soft: rgba(37,99,235,.10); }
html[data-accent="purple"] { --env-accent: #7c3aed; --env-accent-soft: rgba(124,58,237,.10); }
html[data-accent="green"] { --env-accent: #15803d; --env-accent-soft: rgba(21,128,61,.10); }
html[data-accent="amber"] { --env-accent: #b45309; --env-accent-soft: rgba(180,83,9,.12); }
#envBadge, .environment-badge { background: var(--env-accent-soft) !important; border-color: var(--env-accent) !important; color: var(--env-accent) !important; }
.nav button.active, .mode-switch button.active, button.primary { border-color: var(--env-accent); }

/* S3U-146 corrective: environment treatment must be visually obvious, not badge-only. */
html[data-environment="dev"] body {
  border-top: 4px solid var(--env-accent);
  background-image: linear-gradient(var(--env-accent-soft), transparent 220px);
}
html[data-environment="dev"] .card {
  box-shadow: 0 0 0 1px var(--env-accent-soft), 0 8px 30px rgba(16,24,40,.06);
}
html[data-environment="dev"] #environmentBadge {
  background: var(--env-accent-soft) !important;
  border-color: var(--env-accent) !important;
  color: var(--env-accent) !important;
}
html[data-environment="dev"] button.primary,
html[data-environment="dev"] .nav button.active,
html[data-environment="dev"] .mode-switch button.active {
  border-color: var(--env-accent) !important;
  box-shadow: inset 0 0 0 1px var(--env-accent);
}