:root {
  color-scheme: dark;
  --bg: #0b1020;
  --surface: #141c30;
  --raised: #1b2740;
  --border: #526484;
  --text: #f4f7ff;
  --muted: #bcc7dd;
  --accent: #84afff;
  --safe-bg: #123d2d;
  --safe-border: #54d49a;
  --warning-bg: #4a3512;
  --warning-border: #ffca62;
  --danger-bg: #4a2028;
  --danger-border: #ff8291;
  --info-bg: #173650;
  --info-border: #73c8ff;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

* { box-sizing: border-box; }
body { min-width: 320px; margin: 0; background: var(--bg); color: var(--text); }
a { color: #b5ceff; }
a:hover { text-decoration-thickness: .15em; }
:focus-visible { outline: 3px solid #ffdd76; outline-offset: 3px; }

.site-header { border-bottom: 1px solid var(--border); background: #10172a; }
.header-inner, .page-shell { width: min(100% - 2rem, 1440px); margin-inline: auto; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 4.5rem; }
.brand { display: inline-flex; align-items: center; gap: .75rem; color: var(--text); font-weight: 800; text-decoration: none; }
nav, .button-row { display: flex; align-items: center; flex-wrap: wrap; gap: .75rem; }
nav > a { padding: .65rem; color: var(--text); font-weight: 650; text-decoration: none; }
.nav-form, .button-row form { margin: 0; }
.page-shell { padding-block: 2rem 4rem; }
.page-shell > section + section { margin-top: 2.5rem; }

.page-heading, .section-heading, .control-panel { display: flex; align-items: flex-start; justify-content: space-between; gap: 1.5rem; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: .5rem; font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1.08; }
h2 { margin-bottom: .75rem; font-size: clamp(1.35rem, 3vw, 2rem); }
.eyebrow { margin-bottom: .4rem; color: #b5ceff; font-size: .78rem; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
.lede, .section-heading p, .control-panel p, .login-intro p { max-width: 72ch; color: var(--muted); }

.badge { display: inline-flex; align-items: center; width: fit-content; padding: .3rem .65rem; border: 1px solid; border-radius: 999px; font-size: .78rem; font-weight: 850; line-height: 1.2; }
.badge-safe { border-color: var(--safe-border); background: var(--safe-bg); color: #b9ffdb; }
.badge-active { border-color: var(--danger-border); background: var(--danger-bg); color: #ffe0e4; }
.badge-canary { border-color: var(--warning-border); background: var(--warning-bg); color: #fff1c6; }
.badge-paused { border-color: var(--info-border); background: var(--info-bg); color: #d9f2ff; }
.badge-preview { border-color: var(--info-border); background: var(--info-bg); color: #d9f2ff; }
.badge-state { max-width: 18rem; border-color: var(--border); border-radius: .5rem; white-space: normal; }
.badge-waiting_reset, .badge-over_threshold, .badge-limit_zero { border-color: var(--warning-border); background: var(--warning-bg); color: #fff1c6; }
.badge-near_limit { border-color: var(--info-border); background: var(--info-bg); color: #d9f2ff; }
.badge-ok { border-color: var(--safe-border); background: var(--safe-bg); color: #b9ffdb; }

.notice { margin-bottom: 1.5rem; padding: 1rem 1.15rem; border: 1px solid; border-left-width: .4rem; border-radius: .65rem; }
.notice-warning { border-color: var(--warning-border); background: var(--warning-bg); color: #fff1c6; }
.notice-error { border-color: var(--danger-border); background: var(--danger-bg); color: #ffe0e4; }
.notice-info { border-color: var(--info-border); background: var(--info-bg); color: #d9f2ff; }

.status-grid, .metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.status-card, .metric-card, .control-panel, .form-card, .login-card, .confirmation-summary { border: 1px solid var(--border); border-radius: .85rem; background: var(--surface); box-shadow: 0 .75rem 2rem rgb(0 0 0 / 18%); }
.status-card, .metric-card { display: flex; flex-direction: column; gap: .35rem; min-width: 0; padding: 1rem; }
.card-label, .metric-card > span { color: var(--muted); font-weight: 650; }
.card-value { font-size: 1.25rem; }
.card-value-time { font-size: 1rem; overflow-wrap: anywhere; }
.state-text, .metric-card small, label small, .user-name + small { color: var(--muted); }
.metric-value { font-size: 2rem; line-height: 1.1; }
.control-panel { align-items: center; padding: 1.25rem; }

.button { display: inline-flex; align-items: center; justify-content: center; min-height: 2.75rem; padding: .65rem 1rem; border: 2px solid var(--accent); border-radius: .55rem; background: var(--accent); color: #071225; font: inherit; font-weight: 800; line-height: 1.2; text-decoration: none; cursor: pointer; }
.button:hover { filter: brightness(1.12); }
.button-secondary { background: transparent; color: var(--text); }
.button-quiet { border-color: var(--border); background: transparent; color: var(--text); }
.button-danger { border-color: var(--danger-border); background: var(--danger-bg); color: #ffe0e4; }

.filter-form, .form-grid { display: grid; gap: 1rem; }
.filter-form { grid-template-columns: minmax(12rem, 1fr) minmax(12rem, 1fr) auto auto; align-items: end; margin-bottom: 1rem; padding: 1rem; border: 1px solid var(--border); border-radius: .75rem; background: var(--surface); }
label { display: grid; gap: .4rem; color: var(--text); font-weight: 700; }
input, select { width: 100%; min-height: 2.75rem; padding: .55rem .7rem; border: 1px solid #7182a3; border-radius: .5rem; background: #0e1729; color: var(--text); font: inherit; }

.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: .75rem; background: var(--surface); }
table { width: 100%; min-width: 1180px; border-collapse: collapse; }
th, td { padding: .85rem; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
thead th { position: sticky; top: 0; background: var(--raised); color: var(--text); }
tbody tr:last-child > * { border-bottom: 0; }
.user-name, .user-name + small { display: block; max-width: 16rem; overflow-wrap: anywhere; }
.action-list { min-width: 10rem; margin: 0; padding-left: 1.2rem; }
code { color: #d8e4ff; white-space: normal; overflow-wrap: anywhere; }
.empty-state { padding: 2rem; color: var(--muted); text-align: center; }

.form-card { max-width: 920px; padding: clamp(1rem, 4vw, 2rem); }
.approval-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.approval-grid-title { grid-column: 1 / -1; }
.approval-grid .form-card { max-width: none; }
.approval-grid form, .confirmation-card form { display: grid; gap: 1rem; }
.confirmation-summary { padding: clamp(1rem, 4vw, 2rem); }
.summary-list { display: grid; gap: 1rem; margin: 0; }
.summary-list > div { display: grid; grid-template-columns: minmax(10rem, .45fr) minmax(0, 1fr); gap: 1rem; border-bottom: 1px solid var(--border); padding-bottom: .75rem; }
.summary-list > div:last-child { border-bottom: 0; padding-bottom: 0; }
.summary-list dt { color: var(--muted); font-weight: 700; }
.summary-list dd { margin: 0; }
.canonical-id { overflow-wrap: anywhere; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.confirmation-phrase { padding: 1rem; border: 1px solid var(--warning-border); border-radius: .6rem; background: var(--warning-bg); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 1.1rem; overflow-wrap: anywhere; }
.membership-list { min-width: 10rem; margin: 0; padding-left: 1.2rem; }
.execution-table { min-width: 1500px; }
.form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-bottom: 1.5rem; }
.form-grid label:nth-child(-n + 3) { grid-column: 1 / -1; }
.login-shell { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 440px); align-items: center; gap: clamp(2rem, 8vw, 7rem); min-height: calc(100vh - 10.5rem); }
.login-card { display: grid; gap: 1.25rem; padding: clamp(1.25rem, 5vw, 2rem); }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

@media (max-width: 980px) {
  .status-grid, .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .filter-form { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .login-shell { grid-template-columns: 1fr; min-height: auto; }
}

@media (max-width: 680px) {
  .header-inner, .page-heading, .section-heading, .control-panel { align-items: stretch; flex-direction: column; }
  .header-inner { padding-block: 1rem; }
  nav, .button-row, .button-row form, .button-row .button { width: 100%; }
  nav > a, .nav-form, .nav-form .button { flex: 1 1 auto; }
  .status-grid, .metric-grid, .filter-form, .form-grid, .approval-grid { grid-template-columns: 1fr; }
  .approval-grid-title { grid-column: auto; }
  .summary-list > div { grid-template-columns: 1fr; gap: .25rem; }
  .filter-form .button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; }
}