:root{
  --bg:oklch(0.1221 0 0);
  --fg:oklch(0.9551 0 0);
  --card:oklch(0.2132 0.0042 264.48);
  --card-fg:oklch(0.9551 0 0);
  --border:oklch(0.3289 0.0092 268.38);
  --input:oklch(0.3289 0.0092 268.38);
  --muted:oklch(0.2940 0.0130 272.93);
  --muted-fg:oklch(0.7058 0 0);
  --primary:oklch(0.4387 0.2191 277.4);
  --primary-fg:oklch(1 0 0);
  --secondary:oklch(0.2290 0.0036 228.96);
  --accent:oklch(0.2795 0.0368 260.03);
  --accent-fg:oklch(0.5714 0.2209 282.14);
  --destructive:oklch(0.7106 0.1661 22.22);
  --sidebar:oklch(0.2011 0.0039 286.04);
  --radius:0.4rem;
  --font-sans:'IBM Plex Mono',ui-monospace,monospace,system-ui;
  --font-mono:'Space Mono',ui-monospace,monospace;
  --shadow:0 1px 3px 0 oklch(0 0 0/0.1),0 1px 2px -1px oklch(0 0 0/0.1);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font-sans);line-height:1.45}
.hidden{display:none!important}
.muted{color:var(--muted-fg)}
.error{color:var(--destructive)}
.secondary{background:var(--secondary)}
button,input,textarea,select{font:inherit}

.login-card{max-width:420px;margin:120px auto;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.login-card form{display:grid;gap:12px}
.app-shell{display:grid;grid-template-columns:260px minmax(0,1fr);min-height:100vh}
.sidebar{padding:24px 18px;border-right:1px solid var(--border);background:var(--sidebar);display:flex;flex-direction:column;gap:20px;position:sticky;top:0;height:100vh}
.brand-block h1{margin:8px 0 10px;font-size:24px}
.brand-block p{margin:0;color:var(--muted-fg);font-size:13px}
.brand-kicker,.section-label{text-transform:uppercase;letter-spacing:.12em;color:var(--primary);font-size:11px;font-weight:700}
.stack-tight{gap:12px}
.screen-nav{display:grid;gap:8px}
.nav-button{width:100%;text-align:left;background:transparent;color:var(--fg);border:1px solid transparent;border-radius:var(--radius);padding:10px 12px;font-weight:600;font-size:13px}
.nav-button:hover{background:var(--accent);border-color:var(--border)}
.nav-button.active{background:var(--card);border-color:var(--border);box-shadow:inset 0 0 0 1px var(--primary)}
.sidebar-context,.sidebar-actions{display:grid;gap:10px}
.panel-filters,.routing-filters{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:12px}
.panel-filters input,.panel-filters select,.routing-filters select{max-width:160px}
.report-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:12px}
.report-links a,.report-links button{padding:8px 12px;background:var(--secondary);border-radius:var(--radius);color:var(--primary);text-decoration:none;font-size:13px}
.report-links a:hover,.report-links button:hover{background:var(--muted)}
.data-table thead th{position:sticky;top:0;background:var(--card);z-index:1}
.sidebar-actions{margin-top:auto}
.selected-chip,.subtle-card,.context-banner,.assignment-card{background:var(--muted);border:1px solid var(--border);border-radius:var(--radius)}
.selected-chip{padding:12px;color:var(--fg)}
.app-main{min-width:0}
.topbar{display:flex;justify-content:space-between;align-items:flex-start;padding:24px 28px;border-bottom:1px solid var(--border);gap:16px;background:var(--bg);backdrop-filter:blur(10px);position:sticky;top:0;z-index:10}
.topbar h2{margin:8px 0 6px;font-size:30px}
.screen-description{margin:0;color:var(--muted-fg);max-width:720px}
.screen-stack{padding:24px 28px 32px;display:grid;gap:20px}
.screen{display:none;gap:20px}
.screen.is-active{display:grid}
.screen-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.screen-grid-publishers{grid-template-columns:minmax(320px,.95fr) minmax(420px,1.2fr)}
.builder-grid{align-items:start}
.overview-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.stack{display:grid;gap:20px;align-content:start}
.panel{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;min-width:0;box-shadow:var(--shadow)}
.panel-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap;margin-bottom:14px}
.panel h3,.panel h4{margin:0}
.section-copy{margin:6px 0 0;color:var(--muted-fg);font-size:13px}
.panel-filter{max-width:360px}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}
.stat{background:var(--muted);border:1px solid var(--border);border-radius:var(--radius);padding:16px}
.stat .value{display:block;font-size:30px;font-weight:800}
.stat .label{color:var(--muted-fg);font-size:13px}
.form-card,.assignment-card{padding:16px}
.form-card{background:var(--muted);border:1px solid var(--border);border-radius:var(--radius)}
.form-card-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:8px;flex-wrap:wrap}
.field-help{margin:0 0 12px;color:var(--muted-fg);font-size:12px;line-height:1.5}
.field-label{display:block;font-size:12px;color:var(--muted-fg);margin-bottom:4px;text-transform:uppercase;letter-spacing:.04em}
.create-publisher-head{margin-bottom:14px}
.create-publisher-title{margin:0;font-size:16px}
.create-publisher-form .form-row,.create-advertiser-form .form-row{display:grid;gap:10px;margin-bottom:12px}
.create-publisher-form .form-row-2,.create-advertiser-form .form-row-2{grid-template-columns:1fr 1fr}
.create-publisher-form .form-actions,.create-advertiser-form .form-actions{margin-top:8px}
.create-advertiser-head{margin-bottom:14px}
.adapter-help-wrap{margin-bottom:12px;min-height:1px}
.adapter-help-block{padding:10px 12px;background:var(--accent);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:10px}
.adapter-help-block strong{display:block;margin-bottom:6px}
.adapter-help-block p{margin:4px 0 0;font-size:12px}
.adapter-help-block p.muted{color:var(--muted-fg)}
.api-key-block{margin-top:16px;padding:12px;background:var(--muted);border:1px solid var(--border);border-radius:var(--radius)}
.api-key-copy-wrap{display:flex;gap:8px;align-items:center;margin-top:6px}
.api-key-value{flex:1;font-family:var(--font-mono);font-size:13px}
.assignment-matrix-box{background:oklch(0.25 0.08 155/0.35);border:2px solid oklch(0.45 0.15 155)}
.assignment-matrix-box .form-card-head{border-bottom:1px solid oklch(0.45 0.15 155/0.5);padding-bottom:10px;margin-bottom:12px}
.geo-multiselect-wrap{position:relative;min-height:42px}
.geo-multiselect-trigger{display:flex;flex-wrap:wrap;align-items:center;gap:6px;min-height:42px;padding:8px 12px;border:1px solid var(--input);border-radius:var(--radius);background:var(--bg);color:var(--fg);cursor:pointer}
.geo-multiselect-trigger:hover{border-color:var(--primary)}
.geo-multiselect-placeholder{color:var(--muted-fg)}
.geo-multiselect-chips{display:inline-flex;flex-wrap:wrap;gap:6px}
.geo-chip{display:inline-flex;align-items:center;gap:4px;padding:4px 8px;background:var(--accent);border-radius:var(--radius);font-size:12px}
.geo-chip-remove{background:transparent;border:none;padding:0 2px;cursor:pointer;color:var(--muted-fg);font-size:16px;line-height:1}
.geo-chip-remove:hover{color:var(--fg)}
.geo-multiselect-dropdown{position:absolute;top:100%;left:0;right:0;margin-top:4px;padding:8px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);z-index:20;max-height:280px;display:flex;flex-direction:column}
.geo-multiselect-dropdown.hidden{display:none}
.geo-multiselect-search{margin-bottom:8px;padding:8px 10px;font-size:13px}
.geo-multiselect-list{list-style:none;margin:0;padding:0;overflow:auto;max-height:220px}
.geo-multiselect-list li{padding:8px 10px;cursor:pointer;border-radius:var(--radius);font-size:13px}
.geo-multiselect-list li:hover{background:var(--accent)}
.geo-multiselect-list li[aria-selected="true"]{background:var(--primary);color:var(--primary-fg)}
.inline-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.profile-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-bottom:16px}
.profile-card{background:var(--muted);border:1px solid var(--border);border-radius:var(--radius);padding:14px}
.profile-card .label{display:block;font-size:12px;color:var(--muted-fg);text-transform:uppercase;letter-spacing:.04em}
.profile-card .value{display:block;font-size:24px;font-weight:700;margin-top:8px}
.profile-meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;margin:16px 0}
.meta-item{padding:12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--muted)}
.subsection-title{margin:18px 0 10px;font-size:14px;color:var(--fg)}
.table-wrap{overflow:auto}
.table-wrap.compact .data-table th,.table-wrap.compact .data-table td{padding:9px 10px}
.data-table{width:100%;border-collapse:collapse}
.data-table th,.data-table td{padding:10px 12px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}
.data-table th{color:var(--muted-fg);font-size:12px;text-transform:uppercase;letter-spacing:.04em}
.data-table tbody tr:hover{background:var(--accent)}
.data-table tbody tr.selected-row{background:var(--muted)}
.table-strong{font-weight:600}
.table-meta{display:block;color:var(--muted-fg);font-size:12px;margin-top:4px}
.empty-row{color:var(--muted-fg)}
.empty-state{color:var(--muted-fg);display:grid;place-items:center;text-align:center;min-height:140px;padding:16px}
.context-banner{padding:16px 18px;display:flex;justify-content:space-between;gap:16px;align-items:flex-start;flex-wrap:wrap}
.context-banner strong{display:block;font-size:16px}
.summary-line{display:flex;gap:12px;flex-wrap:wrap;color:var(--muted-fg);font-size:13px;margin-top:6px}
.summary-line span{display:inline-flex;align-items:center;gap:6px}
.subtle-card{padding:14px}
.pill{display:inline-block;padding:4px 10px;border-radius:999px;background:oklch(0.4387 0.2191 277.4/0.2);color:var(--primary);font-size:12px}
.badge-ok{background:oklch(0.4 0.15 150/0.25);color:oklch(0.7 0.18 150)}
.badge-pending{background:oklch(0.6 0.15 80/0.25);color:oklch(0.85 0.12 80)}
.badge-off{background:oklch(0.71 0.17 22/0.25);color:var(--destructive)}
.workspace-sections{display:grid;gap:18px}
.workspace-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.builder-note{margin-top:8px;color:var(--muted-fg);font-size:12px}
button{cursor:pointer;background:var(--primary);color:var(--primary-fg);border:none;border-radius:var(--radius);padding:10px 14px;transition:background .15s ease;box-shadow:var(--shadow)}
button:hover{background:oklch(0.5 0.22 277.4)}
button.secondary{background:var(--secondary);color:var(--fg)}
button.secondary:hover{background:var(--muted)}
button.compact{padding:8px 12px;font-size:12px}
button:disabled{opacity:.55;cursor:not-allowed}
input,textarea,select{width:100%;padding:10px 12px;border-radius:var(--radius);border:1px solid var(--input);background:var(--bg);color:var(--fg)}
textarea{resize:vertical;min-height:120px}
form{display:grid;gap:10px}
.link-button{background:transparent;border:none;padding:0;color:var(--primary);cursor:pointer;font:inherit}
.link-button:hover{text-decoration:underline;background:transparent}
.app-message{padding:10px 12px;border-radius:var(--radius);font-size:13px;max-width:420px;box-shadow:var(--shadow)}
.app-message.success{background:oklch(0.4 0.15 150/0.2);color:oklch(0.7 0.18 150);border:1px solid oklch(0.4 0.15 150/0.5)}
.app-message.error{background:oklch(0.71 0.17 22/0.25);color:var(--destructive);border:1px solid var(--destructive)}
.app-message.info{background:var(--primary);color:var(--primary-fg);border:1px solid var(--primary);opacity:.85}
@media(max-width:1180px){.app-shell{grid-template-columns:1fr}.sidebar{position:static;height:auto;border-right:none;border-bottom:1px solid var(--border)}.screen-grid,.overview-grid,.screen-grid-publishers,.workspace-grid{grid-template-columns:1fr}.sidebar-actions{margin-top:0}}
@media(max-width:720px){.topbar{position:static;padding:20px}.screen-stack{padding:20px}.panel-filter{max-width:none}.nav-button{text-align:center}.panel-head,.form-card-head,.inline-actions{display:grid}button{width:100%}}