:root {
  color-scheme: light;
  --canvas: oklch(96.5% 0.008 145);
  --surface: oklch(99% 0.005 145);
  --surface-muted: oklch(93.5% 0.012 145);
  --ink: oklch(25% 0.018 145);
  --muted: oklch(52% 0.018 145);
  --border: oklch(87% 0.015 145);
  --primary: oklch(48% 0.09 166);
  --primary-hover: oklch(40% 0.08 166);
  --primary-soft: oklch(93% 0.035 166);
  --success: oklch(51% 0.09 155);
  --warning: oklch(56% 0.12 65);
  --danger: oklch(52% 0.14 25);
  --danger-soft: oklch(94% 0.035 25);
  --focus: oklch(70% 0.09 166 / 35%);
  font-family: "Segoe UI", system-ui, sans-serif;
  letter-spacing: 0;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; min-height: 100vh; background: var(--canvas); color: var(--ink); font-size: 14px; }
button, input, select { font: inherit; letter-spacing: 0; }
button { min-height: 36px; border: 0; border-radius: 6px; padding: 8px 13px; cursor: pointer; transition: background-color 180ms cubic-bezier(.16,1,.3,1), border-color 180ms cubic-bezier(.16,1,.3,1), color 180ms cubic-bezier(.16,1,.3,1); }
button:focus-visible, input:focus-visible, select:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--focus); outline-offset: 1px; }
button:disabled { cursor: wait; opacity: .62; }
.primary { background: var(--primary); color: var(--surface); font-weight: 650; }
.primary:hover:not(:disabled) { background: var(--primary-hover); }
.secondary { background: var(--surface); color: var(--ink); border: 1px solid var(--border); }
.secondary:hover:not(:disabled) { background: var(--surface-muted); border-color: var(--muted); }
.text-button { min-height: 32px; padding: 5px 7px; background: transparent; color: var(--muted); }
.text-button:hover { color: var(--ink); background: var(--surface-muted); }
.danger-ghost { background: transparent; color: var(--danger); border: 1px solid transparent; }
.danger-ghost:hover { background: var(--danger-soft); border-color: var(--danger); }
.wide { width: 100%; }
.compact { min-height: 32px; padding: 5px 10px; }
a { color: var(--primary); text-underline-offset: 3px; }
h1, h2, p { margin: 0; }
h1 { font-size: 20px; line-height: 1.25; font-weight: 650; }
h2 { font-size: 16px; line-height: 1.3; font-weight: 650; }
.muted { color: var(--muted); }
.boot-state { display: grid; place-items: center; min-height: 100vh; color: var(--muted); }

.topbar { position: sticky; top: 0; z-index: 10; min-height: 52px; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 8px max(20px, calc((100vw - 1240px) / 2)); background: var(--surface); border-bottom: 1px solid var(--border); }
.topbar nav { display: flex; align-items: center; gap: 6px; }
.brand { display: flex; align-items: center; gap: 9px; padding: 0; background: transparent; color: var(--ink); }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 8px; background: var(--primary); color: var(--surface); font-size: 14px; font-weight: 750; }
.brand-mark.small { width: 30px; height: 30px; border-radius: 6px; font-size: 11px; }
.workspace { width: min(1240px, calc(100vw - 40px)); margin: 0 auto; padding: 24px 0 48px; }
.workspace.narrow { width: min(920px, calc(100vw - 40px)); }
.workspace.form-width { width: min(620px, calc(100vw - 40px)); }
.page-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 18px; }
.page-heading p { margin-top: 3px; color: var(--muted); }
.heading-actions { display: flex; align-items: center; gap: 8px; }
.probe-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; }

.probe-card { min-width: 0; min-height: 235px; display: flex; flex-direction: column; gap: 14px; padding: 16px; background: var(--surface); border: 1px solid var(--border); border-radius: 6px; transition: border-color 180ms cubic-bezier(.16,1,.3,1), background-color 180ms cubic-bezier(.16,1,.3,1); }
.probe-card:hover { border-color: var(--muted); background: oklch(98% 0.008 145); }
.probe-card header { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.probe-card h2 { margin-top: 4px; overflow-wrap: anywhere; }
.type-label { color: var(--muted); font-size: 11px; font-weight: 700; text-transform: uppercase; }
.status-badge { display: inline-flex; align-items: center; gap: 6px; flex: none; min-height: 24px; padding: 3px 8px; border-radius: 999px; background: var(--primary-soft); color: var(--success); font-size: 12px; font-weight: 650; }
.status-badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.status-badge.error { color: var(--danger); background: var(--danger-soft); }
.status-badge.warning { color: var(--warning); background: oklch(94% 0.035 65); }
.status-badge.paused { color: var(--muted); background: var(--surface-muted); }
.probe-url { min-height: 36px; color: var(--muted); font-family: ui-monospace, monospace; font-size: 12px; overflow-wrap: anywhere; }
.probe-card dl { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 18px; margin: 0; }
.probe-card dl div { min-width: 0; }
.probe-card dt { margin-bottom: 3px; color: var(--muted); font-size: 11px; }
.probe-card dd { margin: 0; font-size: 12px; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.probe-card dd.balance-low { color: var(--danger); font-weight: 700; }
.probe-card dd.schedule-overdue { color: var(--danger); font-weight: 700; }
.probe-card footer { display: flex; gap: 4px; margin-top: auto; padding-top: 10px; border-top: 1px solid var(--border); }
.danger-text { color: var(--danger); }
.card-error { padding: 8px 10px; border: 1px solid oklch(80% .07 25); border-radius: 4px; background: var(--danger-soft); color: var(--danger); font-size: 12px; overflow-wrap: anywhere; }
.empty-state { grid-column: 1 / -1; min-height: 260px; display: grid; place-items: center; align-content: center; gap: 8px; border: 1px dashed var(--border); border-radius: 6px; color: var(--muted); }
.empty-state h2 { color: var(--ink); }

.target-list { display: grid; border-block: 1px solid var(--border); }
.target-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 15px 0; border-bottom: 1px solid var(--border); }
.target-row:last-child { border-bottom: 0; }
.target-row > .inline-confirm { color: var(--danger); }
.target-row p { margin-top: 5px; color: var(--muted); font-family: ui-monospace, monospace; font-size: 12px; }
.title-line { display: flex; align-items: center; gap: 9px; }
.row-actions { display: flex; align-items: center; justify-content: flex-end; gap: 4px; }

.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-panel { width: min(360px, 100%); padding: 28px; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; }
.login-panel .brand-mark { margin-bottom: 20px; }
.login-panel h1 { margin-bottom: 4px; }
.login-panel form { display: grid; gap: 16px; margin-top: 24px; }

.editor { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
fieldset { margin: 0; padding: 20px; border: 0; border-bottom: 1px solid var(--border); }
legend { float: left; width: 100%; margin-bottom: 14px; padding: 0; font-size: 14px; font-weight: 700; }
.form-grid { clear: both; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.form-grid.one { grid-template-columns: 1fr; }
.check-field { display: flex; align-items: center; gap: 9px; color: var(--ink); }
.check-field input { width: 16px; min-height: 16px; padding: 0; accent-color: var(--primary); }
label { display: grid; align-content: start; gap: 6px; color: var(--muted); font-size: 12px; font-weight: 600; }
label[hidden] { display: none; }
input, select { width: 100%; min-height: 38px; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; background: var(--surface); color: var(--ink); }
input:hover, select:hover { border-color: var(--muted); }
input:focus, select:focus { border-color: var(--primary); }
.field-note { clear: both; margin-bottom: 14px; color: var(--muted); font-size: 12px; }
.watch-toolbar { clear: both; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.watch-toolbar span { color: var(--muted); font-size: 12px; }
.group-list { clear: both; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; max-height: 320px; margin-top: 14px; overflow: auto; background: var(--border); border: 1px solid var(--border); border-radius: 6px; }
.group-row { grid-template-columns: 18px minmax(0, 1fr) auto; align-items: center; gap: 9px; padding: 9px 10px; background: var(--surface); color: var(--ink); cursor: pointer; }
.group-row input { width: 16px; min-height: 16px; padding: 0; accent-color: var(--primary); }
.group-row span { display: grid; min-width: 0; }
.group-row small { color: var(--muted); font-family: ui-monospace, monospace; overflow-wrap: anywhere; }
.group-row code { color: var(--primary); }
.form-actions { display: flex; justify-content: flex-end; gap: 8px; padding: 16px 20px; }
.form-message { min-height: 0; margin: 0 20px; }
.form-message.error { margin-top: 16px; color: var(--danger); }
.form-message.success { margin-top: 16px; color: var(--success); }
.form-error { color: var(--danger); font-size: 13px; }
.empty-inline { padding: 24px 0; color: var(--muted); }
.availability-notice { display: flex; align-items: baseline; gap: 12px; margin-bottom: 22px; padding: 11px 13px; border: 1px solid oklch(80% .07 25); border-radius: 6px; background: var(--danger-soft); color: var(--danger); }
.availability-notice span { font-size: 12px; }
.monitoring-alert { display: flex; align-items: baseline; gap: 12px; margin-bottom: 18px; padding: 11px 13px; border: 1px solid oklch(80% .07 25); border-radius: 6px; background: var(--danger-soft); color: var(--danger); }
.monitoring-alert span { font-size: 12px; }
.category-admin, .category-members { margin-top: 24px; }
.category-admin > header, .category-members > header, .category-member-section > header { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.category-admin header span, .category-members header span, .category-member-section header span { color: var(--muted); font-size: 12px; }
.category-create { display: flex; align-items: end; gap: 8px; margin-top: 14px; }
.category-create label { width: min(320px, 100%); }
.category-admin-list { margin-top: 14px; border-block: 1px solid var(--border); }
.category-admin-row { display: grid; grid-template-columns: minmax(180px, 1fr) 130px auto; align-items: end; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.category-admin-row:last-child { border-bottom: 0; }
.category-admin-row > span { align-self: center; color: var(--muted); font-size: 12px; }
.inline-confirm { grid-column: 1 / -1; color: var(--danger); }
.category-bulk { display: flex; align-items: end; gap: 8px; margin: 14px 0; }
.category-bulk label { width: min(280px, 100%); }
.category-member-groups { display: grid; gap: 22px; }
.category-member-section h3 { margin: 0; font-size: 14px; }
.category-member-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin-top: 8px; overflow: hidden; background: var(--border); border: 1px solid var(--border); border-radius: 6px; }
.category-member-row { grid-template-columns: 18px minmax(0, 1fr) auto; align-items: center; gap: 9px; padding: 10px; background: var(--surface); color: var(--ink); cursor: pointer; }
.category-member-row input { width: 16px; min-height: 16px; padding: 0; accent-color: var(--primary); }
.category-member-row span { display: grid; min-width: 0; }
.category-member-row small { color: var(--muted); overflow-wrap: anywhere; }
.category-member-row code { font-family: ui-monospace, monospace; }
.suggestion-panel { margin-bottom: 28px; padding: 16px; border: 1px solid var(--border); border-radius: 6px; background: var(--surface); }
.suggestion-panel > header { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 12px; }
.suggestion-panel header span { display: block; margin-top: 3px; color: var(--muted); font-size: 12px; }
.suggestion-list { display: grid; border-block: 1px solid var(--border); }
.suggestion-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(180px, .6fr); align-items: center; gap: 14px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.suggestion-row:last-child { border-bottom: 0; }
.suggestion-check { grid-template-columns: 18px minmax(0, 1fr); align-items: center; color: var(--ink); }
.suggestion-check input { width: 16px; min-height: 16px; padding: 0; accent-color: var(--primary); }
.suggestion-check span { display: grid; min-width: 0; }
.suggestion-check small { color: var(--muted); overflow-wrap: anywhere; }
.settings-section { margin-top: 28px; }
.settings-section > header { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 12px; }
.settings-section > header span { display: block; margin-top: 3px; color: var(--muted); font-size: 12px; }
.settings-form { margin-top: 0; }
.comparison-list { display: grid; gap: 26px; }
.comparison-section { min-width: 0; }
.comparison-section > header { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 9px; }
.comparison-section > header span { color: var(--muted); font-size: 12px; }
.comparison-table { overflow-x: auto; border-block: 1px solid var(--border); }
.comparison-head, .comparison-row { min-width: 760px; display: grid; grid-template-columns: minmax(230px, 1.5fr) 80px 80px 110px 150px; align-items: center; gap: 14px; padding: 9px 10px; }
.comparison-head { background: var(--surface-muted); color: var(--muted); font-size: 11px; font-weight: 650; }
.comparison-row { min-height: 58px; border-top: 1px solid var(--border); background: var(--surface); }
.comparison-row:first-of-type { border-top: 0; }
.comparison-row > div:first-child { display: grid; min-width: 0; }
.comparison-row small { margin-top: 2px; color: var(--muted); overflow-wrap: anywhere; }
.comparison-row code { font-family: ui-monospace, monospace; }
.compare-value { display: flex; align-items: center; gap: 7px; }
.compare-value strong { font-family: ui-monospace, monospace; font-size: 15px; }
.comparison-row time { color: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.toast { position: fixed; right: 18px; bottom: 18px; z-index: 30; max-width: min(420px, calc(100vw - 36px)); padding: 11px 14px; border-radius: 6px; background: var(--ink); color: var(--surface); box-shadow: 0 12px 32px oklch(20% .02 145 / 18%); }
.toast.error { background: var(--danger); }

@media (max-width: 680px) {
  .topbar { padding-inline: 12px; }
  .workspace, .workspace.narrow, .workspace.form-width { width: min(100% - 24px, 1240px); padding-top: 18px; }
  .page-heading { align-items: flex-start; }
  .probe-grid, .form-grid, .group-list, .category-member-list { grid-template-columns: 1fr; }
  .watch-toolbar { align-items: stretch; flex-direction: column; }
  .target-row, .settings-section > header { align-items: flex-start; flex-direction: column; }
  .row-actions { justify-content: flex-start; flex-wrap: wrap; }
  .heading-actions, .availability-notice, .monitoring-alert, .category-create, .category-bulk { align-items: stretch; flex-direction: column; }
  .category-admin-row { grid-template-columns: 1fr; align-items: stretch; }
  .suggestion-row { grid-template-columns: 1fr; }
  .brand strong { display: none; }
}

@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }