:root {
  color-scheme: light dark;
  --bg: light-dark(#ffffff, #080b0f);
  --surface: light-dark(#ffffff, #10151c);
  --surface-soft: light-dark(#f5f8fa, #151c24);
  --text: light-dark(#0f1419, #edf3f7);
  --muted: light-dark(#536471, #8999a6);
  --border: light-dark(#eff3f4, #26313b);
  --accent: #1d9bf0;
  --accent-strong: #1686d9;
  --danger: #f4212e;
  --success: #00ba7c;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); }
button, input, textarea, select { font: inherit; }
button, .button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
.hidden { display: none !important; }
.app-shell { width: min(1260px, 100%); min-height: 100vh; margin: 0 auto; display: grid; grid-template-columns: 230px minmax(0, 610px) 350px; }
.sidebar { height: 100vh; position: sticky; top: 0; padding: 14px 24px 18px 12px; display: flex; flex-direction: column; gap: 22px; }
.logo, .brand-mark { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; background: var(--text); color: var(--bg); font-size: 22px; font-weight: 800; }
.sidebar nav { display: grid; gap: 8px; }
.nav-link { display: flex; gap: 18px; align-items: center; width: fit-content; padding: 12px 18px; border-radius: 999px; font-size: 19px; }
.nav-link:hover, .nav-link.active { background: var(--surface-soft); }
.nav-link span { width: 22px; font-size: 25px; text-align: center; }
.sidebar > .quiet { margin-top: auto; }
.timeline-column { min-height: 100vh; border-inline: 1px solid var(--border); }
.column-title { height: 60px; padding: 8px 16px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 16px; position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--bg) 90%, transparent); backdrop-filter: blur(14px); }
.column-title > div { min-width: 0; flex: 1; }
.column-title h1 { margin: 0; font-size: 20px; }
.column-title p { margin: 1px 0 0; overflow: hidden; color: var(--muted); font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.back-link { font-size: 22px; }
.column-action { margin-left: auto; white-space: nowrap; }
.column-action.following { border-color: color-mix(in srgb, var(--success) 45%, var(--border)); color: var(--success); }
.profile-summary { padding: 18px 16px; border-bottom: 1px solid var(--border); background: color-mix(in srgb, var(--surface-soft) 40%, transparent); }
.profile-summary strong { color: var(--muted); font-size: 14px; }
.profile-summary p { margin: 8px 0 0; line-height: 1.5; }
.composer { display: flex; gap: 12px; padding: 14px 16px 8px; border-bottom: 1px solid var(--border); }
.composer-body { min-width: 0; flex: 1; }
.composer textarea { width: 100%; padding: 8px 0; resize: vertical; border: 0; outline: 0; background: transparent; color: var(--text); font-size: 20px; }
.composer-footer { min-height: 46px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: 13px; }
button, .button { border: 1px solid var(--border); border-radius: 999px; padding: 8px 15px; background: transparent; color: var(--text); font-weight: 650; }
button:hover, .button:hover { background: var(--surface-soft); }
button.primary { border-color: var(--accent); background: var(--accent); color: white; }
button.primary:hover { background: var(--accent-strong); }
button:disabled { opacity: .55; cursor: not-allowed; }
button.quiet { color: var(--muted); }
.avatar { width: 42px; height: 42px; flex: 0 0 42px; border-radius: 50%; display: grid; place-items: center; font-weight: 750; }
.human-avatar { background: light-dark(#17202a, #e6edf3); color: light-dark(white, #10151c); }
.agent-avatar { background: color-mix(in srgb, var(--accent) 18%, var(--surface)); color: var(--accent); }
.post { display: flex; gap: 11px; padding: 12px 16px 5px; border-bottom: 1px solid var(--border); }
.post:hover { background: color-mix(in srgb, var(--surface-soft) 38%, transparent); }
.post-main { min-width: 0; flex: 1; }
.post-meta { display: flex; gap: 5px; align-items: baseline; white-space: nowrap; overflow: hidden; }
.post-author { min-width: 0; display: flex; gap: 5px; align-items: baseline; }
.post-author:hover strong { text-decoration: underline; }
.post-meta strong { overflow: hidden; text-overflow: ellipsis; }
.post-meta span, .post-meta time { color: var(--muted); font-size: 14px; }
.post-body { margin-top: 3px; font-size: 15.5px; line-height: 1.45; overflow-wrap: anywhere; }
.post-actions { max-width: 500px; margin-top: 8px; display: flex; justify-content: space-between; }
.post-actions button { display: flex; align-items: center; gap: 6px; padding: 7px 8px; border: 0; color: var(--muted); font-weight: 450; font-size: 13px; }
.post-actions button:hover { color: var(--accent); }
.post-actions button.liked { color: #f91880; }
.quote-reference { margin-top: 10px; padding: 10px 12px; border: 1px solid var(--border); border-radius: 14px; font-size: 13px; }
.quote-reference span { color: var(--muted); }
.quote-reference p { margin: 5px 0 0; line-height: 1.4; }
.post-activity { margin: 4px 0 10px; padding: 12px; border: 1px solid var(--border); border-radius: 12px; background: color-mix(in srgb, var(--surface-soft) 70%, transparent); }
.activity-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.activity-group:last-child:nth-child(odd) { grid-column: 1 / -1; }
.activity-group h3 { margin: 0 0 6px; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.activity-group h3 span { margin-left: 3px; color: var(--text); }
.activity-group ul { margin: 0; padding: 0; list-style: none; }
.activity-group li { min-width: 0; padding: 4px 0; display: flex; justify-content: space-between; gap: 8px; font-size: 12px; }
.activity-group li a { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.activity-group li a:hover strong { text-decoration: underline; }
.activity-group li span, .activity-group time, .activity-empty, .activity-note { color: var(--muted); }
.activity-group time { flex: 0 0 auto; }
.activity-note { margin: 10px 0 0; font-size: 11px; line-height: 1.4; }
.right-column { padding: 12px 24px; }
.side-panel { margin-bottom: 18px; padding: 14px 16px; border-radius: 16px; background: var(--surface-soft); }
.side-panel h2 { margin: 0 0 12px; font-size: 20px; }
.side-panel p { color: var(--muted); line-height: 1.45; }
.person-row { display: flex; align-items: center; gap: 10px; padding: 9px 0; }
.person-row:hover strong { text-decoration: underline; }
.person-row .avatar { width: 36px; height: 36px; flex-basis: 36px; }
.person-row strong, .person-row span { display: block; font-size: 14px; }
.person-row span { color: var(--muted); }
.empty-state { padding: 40px 20px; color: var(--muted); text-align: center; }
.pagination { padding: 16px; display: flex; justify-content: center; }
.error { color: var(--danger); }
.muted { color: var(--muted); }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

.login-page { min-height: 100vh; display: grid; place-items: center; padding: 20px; background: radial-gradient(circle at 50% 20%, color-mix(in srgb, var(--accent) 12%, var(--bg)), var(--bg) 55%); }
.login-card { width: min(390px, 100%); padding: 36px; border: 1px solid var(--border); border-radius: 24px; background: var(--surface); box-shadow: 0 20px 70px color-mix(in srgb, var(--text) 12%, transparent); }
.login-card h1 { margin: 20px 0 4px; font-size: 30px; }
.login-card > p { margin: 0 0 28px; color: var(--muted); }
.login-card form, .agent-form { display: grid; gap: 16px; }
label { display: grid; gap: 7px; color: var(--muted); font-size: 13px; font-weight: 650; }
input, textarea, select { width: 100%; padding: 11px 12px; border: 1px solid var(--border); border-radius: 9px; background: var(--bg); color: var(--text); }
input:focus, textarea:focus, select:focus { outline: 2px solid color-mix(in srgb, var(--accent) 45%, transparent); border-color: var(--accent); }

.admin-shell { min-height: 100vh; }
.admin-header { min-height: 76px; padding: 12px max(24px, calc((100vw - 1360px) / 2)); border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 20px; background: var(--surface); }
.admin-header > div, .header-actions { display: flex; align-items: center; gap: 12px; }
.small-logo { width: 42px; height: 42px; }
.admin-header h1 { margin: 0; font-size: 20px; }
.admin-header p { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.admin-main { width: min(1360px, calc(100% - 32px)); margin: 22px auto 60px; }
.stat-grid { display: grid; grid-template-columns: repeat(6, minmax(110px, 1fr)); gap: 10px; margin-bottom: 16px; }
.stat { padding: 14px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.stat span { display: block; color: var(--muted); font-size: 12px; }
.stat strong { display: block; margin-top: 4px; font-size: 25px; }
.service-strip { grid-column: span 3; display: flex; align-items: center; gap: 8px; padding: 9px 13px; color: var(--muted); font-size: 13px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--danger); }
.dot.ok { background: var(--success); }
.dot.warn { background: #ffb000; }
.admin-grid { display: grid; grid-template-columns: minmax(300px, 390px) minmax(0, 1fr); gap: 16px; align-items: start; }
.admin-panel { border: 1px solid var(--border); border-radius: 14px; background: var(--surface); overflow: hidden; }
.experiment-panel { margin-bottom: 16px; }
.experiment-heading { align-items: end; }
.experiment-start-form { display: flex; align-items: end; gap: 10px; }
.experiment-start-form label { min-width: 210px; }
.experiment-start-form input { padding-block: 8px; }
.empty-state.compact { padding: 24px 20px; }
.experiment-summary { padding: 16px; }
.experiment-meta { display: flex; justify-content: space-between; gap: 18px; margin-bottom: 14px; }
.experiment-meta > div { display: flex; align-items: center; gap: 8px; }
.experiment-meta small { color: var(--muted); text-align: right; line-height: 1.5; }
.experiment-metrics { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 8px; }
.experiment-metrics .stat { padding: 10px; }
.experiment-metrics .stat strong { font-size: 16px; overflow-wrap: anywhere; }
.experiment-table-wrap { margin-top: 14px; overflow-x: auto; }
.experiment-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.experiment-table th, .experiment-table td { padding: 9px 10px; border-top: 1px solid var(--border); text-align: left; vertical-align: top; white-space: nowrap; }
.experiment-table thead th { border-top: 0; color: var(--muted); font-size: 11px; }
.experiment-table tbody th strong, .experiment-table small { display: block; }
.experiment-table small { margin-top: 2px; color: var(--muted); font-weight: 400; }
.experiment-complete-form { margin-top: 14px; padding: 14px; border-radius: 10px; background: var(--surface-soft); display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 12px; align-items: end; }
.experiment-complete-form .form-actions { grid-column: 1 / -1; }
.experiment-decision { margin-top: 14px; padding: 12px; border-radius: 8px; background: var(--surface-soft); }
.experiment-decision p { margin: 5px 0 0; color: var(--muted); white-space: pre-wrap; }
.experiment-history { padding: 0 16px 10px; border-top: 1px solid var(--border); }
.experiment-history > h3 { margin: 14px 0 4px; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; }
.experiment-record > summary { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.experiment-record > summary time { margin-left: auto; color: var(--muted); font-size: 11px; }
.experiment-record .experiment-summary { padding-inline: 0; }
.metric-definitions { padding: 12px 16px; border-top: 1px solid var(--border); color: var(--muted); font-size: 12px; }
.metric-definitions summary { cursor: pointer; color: var(--text); font-weight: 650; }
.metric-definitions li { margin: 7px 0; line-height: 1.45; }
.experiment-error { margin: 16px; }
.panel-heading { min-height: 66px; padding: 14px 16px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 15px; }
.panel-heading h2 { margin: 0; font-size: 18px; }
.panel-heading p { margin: 3px 0 0; color: var(--muted); font-size: 13px; }
.agent-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; padding: 5px 10px; border-bottom: 1px solid var(--border); }
.agent-row.selected { background: color-mix(in srgb, var(--accent) 8%, transparent); }
.agent-select { min-width: 0; display: flex; gap: 10px; align-items: center; border: 0; border-radius: 8px; text-align: left; }
.agent-select span:last-child { min-width: 0; }
.agent-select strong, .agent-select small { display: block; overflow: hidden; text-overflow: ellipsis; }
.agent-select small, .next-wake { color: var(--muted); font-weight: 450; }
.next-wake { grid-column: 2; font-size: 11px; text-align: right; }
.status { display: inline-block; width: fit-content; padding: 2px 7px; border-radius: 99px; background: var(--surface-soft); color: var(--muted); font-size: 11px; }
.status.active, .status.completed, .status.passed { color: var(--success); }
.status.keep { color: var(--success); }
.status.change { color: #ffb000; }
.status.running { color: var(--accent); }
.status.failed, .status.abandoned, .status.blocked { color: var(--danger); }
.status.unreviewed, .status.legacy { color: #ffb000; }
.detail-panel { min-height: 460px; }
.detail-heading h2 span { color: var(--muted); font-weight: 450; }
.namespace { margin: 14px 16px 0; padding: 10px 12px; border-radius: 8px; background: var(--surface-soft); display: flex; gap: 10px; align-items: center; overflow: hidden; }
.namespace code { overflow: hidden; text-overflow: ellipsis; color: var(--muted); font-size: 12px; }
.agent-settings-form { margin: 14px 16px 0; padding: 0 16px 16px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface-soft); display: grid; gap: 14px; }
.agent-settings-form .panel-heading { margin: 0 -16px; background: color-mix(in srgb, var(--surface) 75%, transparent); }
.agent-settings-form .panel-heading h3 { margin: 0; font-size: 16px; }
.immutable-note { margin: 10px 0 0; font-size: 12px; }
.detail-section { padding: 16px; border-bottom: 1px solid var(--border); }
.detail-section h3 { margin: 0 0 12px; font-size: 14px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.prose { margin: 0; line-height: 1.55; }
.mini-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.mini-grid > div > strong { display: block; margin-bottom: 8px; }
.cost-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.cost-card { min-width: 0; padding: 11px; border-radius: 8px; background: var(--surface-soft); }
.cost-card span, .cost-card small { display: block; color: var(--muted); font-size: 11px; }
.cost-card strong { display: block; margin: 4px 0; font-size: 19px; }
.cost-note { margin: 10px 0 0; font-size: 12px; }
.runtime-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 0 0 12px; }
.runtime-grid > div { min-width: 0; padding: 9px 10px; border-radius: 8px; background: var(--surface-soft); }
.runtime-grid dt { color: var(--muted); font-size: 11px; }
.runtime-grid dd { margin: 3px 0 0; overflow-wrap: anywhere; font-size: 12px; }
.chip { display: inline-block; margin: 0 5px 5px 0; padding: 4px 8px; border-radius: 99px; background: var(--surface-soft); font-size: 12px; }
pre { max-width: 100%; margin: 7px 0; overflow: auto; padding: 10px; border-radius: 8px; background: var(--surface-soft); font-size: 11px; white-space: pre-wrap; overflow-wrap: anywhere; }
.record-row { padding: 10px 0; border-top: 1px solid var(--border); }
.record-row:first-of-type { border-top: 0; }
.record-row > span { margin-left: 8px; color: var(--muted); font-size: 12px; }
.record-row p { margin: 5px 0; line-height: 1.4; }
.record-row small, .record-row code { color: var(--muted); font-size: 11px; }
.behavior-record > summary { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.behavior-record > summary time { margin-left: auto; color: var(--muted); font-size: 11px; }
.wake-record { border-top: 1px solid var(--border); }
.wake-record > summary { padding: 10px 0; display: flex; gap: 9px; align-items: center; cursor: pointer; font-size: 12px; }
.wake-record summary time, .wake-record summary span:last-child { color: var(--muted); }
.wake-body { padding: 2px 8px 14px; }
.tool-list { padding-left: 18px; }
.tool-list li { margin: 7px 0; }
.tool-list .status { margin-left: 7px; }
.create-panel { margin-top: 16px; }
.agent-form { padding: 18px; }
.field-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.field-row.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.field-row.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
label.check { display: flex; align-items: center; gap: 8px; }
label.check input { width: auto; }
.form-actions { display: flex; align-items: center; justify-content: space-between; gap: 16px; }

@media (max-width: 1050px) {
  .app-shell { grid-template-columns: 78px minmax(0, 610px) minmax(280px, 1fr); }
  .sidebar { padding-inline: 12px; align-items: center; }
  .nav-link { padding: 12px; }
  .nav-link { font-size: 0; gap: 0; }
  .nav-link span { font-size: 25px; }
  .sidebar > .quiet { font-size: 0; width: 42px; height: 42px; padding: 0; }
  .stat-grid { grid-template-columns: repeat(3, 1fr); }
  .experiment-metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 780px) {
  .app-shell { display: block; }
  .sidebar { position: fixed; z-index: 20; top: auto; bottom: 0; width: 100%; height: 58px; padding: 6px 12px; flex-direction: row; justify-content: space-around; border-top: 1px solid var(--border); background: var(--surface); }
  .sidebar .logo, .sidebar > .quiet { display: none; }
  .sidebar nav { width: 100%; display: flex; justify-content: space-around; }
  .timeline-column { border: 0; padding-bottom: 60px; }
  .activity-grid { grid-template-columns: 1fr; }
  .activity-group:last-child:nth-child(odd) { grid-column: auto; }
  .right-column { display: none; }
  .admin-header { align-items: flex-start; }
  .admin-header, .admin-header > div, .header-actions { flex-wrap: wrap; }
  .admin-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .service-strip { grid-column: span 2; }
  .field-row, .field-row.three, .field-row.four, .mini-grid, .runtime-grid, .cost-grid { grid-template-columns: 1fr; }
  .experiment-heading, .experiment-meta { align-items: stretch; flex-direction: column; }
  .experiment-meta small { text-align: left; }
  .experiment-start-form { align-items: stretch; flex-direction: column; width: 100%; }
  .experiment-start-form label { min-width: 0; }
  .experiment-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .experiment-complete-form { grid-template-columns: 1fr; }
  .experiment-complete-form .form-actions { grid-column: auto; }
}