/*
 * Emery Learn uses the relevant Nordic Slate tokens and component geometry from
 * Emery src/styles.css at f2fbdf2875da646369b98839fb4cd7c64c368eca.
 * Keep this bounded copy independent from the Emery runtime and update it only
 * when the corresponding Emery visual contract changes.
 */
:root {
  color-scheme: light;
  --ink: #162033;
  --muted: #526075;
  --line: #e1e7ef;
  --line-strong: #c8d2df;
  --bg: #f4f6f9;
  --surface: #ffffff;
  --surface-raised: #ffffff;
  --surface-soft: #fafbfc;
  --surface-muted: #f1f4f8;
  --surface-selected: #e9f2ff;
  --titlebar: #f3f6fa;
  --field: #ffffff;
  --placeholder: #718096;
  --auth-brand-bg: #101828;
  --auth-brand-ink: #f8fafc;
  --auth-brand-muted: #c5ceda;
  --auth-status-ok: #86d3aa;
  --auth-sequence-accent: #a6c5f6;
  --accent: #5f95dc;
  --accent-ink: #1f5b9c;
  --accent-soft: #e9f2ff;
  --green: #15803d;
  --green-soft: #eaf7ef;
  --orange: #a85a09;
  --orange-soft: #fff3e0;
  --danger: #b42318;
  --danger-soft: #fff0ee;
  --button-primary-bg: var(--accent-ink);
  --button-primary-fg: #ffffff;
  --button-primary-hover-bg: #194b82;
  --button-secondary-bg: var(--accent-soft);
  --button-secondary-fg: var(--accent-ink);
  --button-secondary-border: #bdd2ee;
  --status-ok-border: #88c79e;
  --status-warn-border: #e0b777;
  --status-danger-border: #e3a29c;
  --focus-ring: color-mix(in srgb, var(--accent) 42%, transparent);
  --shadow: 0 1px 2px rgb(16 24 40 / 4%), 0 8px 24px rgb(16 24 40 / 5%);
  --shadow-strong: 0 2px 5px rgb(16 24 40 / 8%), 0 18px 42px rgb(16 24 40 / 13%);
  --font-sans: "Inter Variable", Inter, "Segoe UI Variable", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Inter Tight", "Inter Variable", Inter, "Segoe UI Variable Display", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --heading-weight: 680;
  --heading-tracking: -.014em;
  --type-body: 13px;
  --type-h1: 22px;
  --type-h2: 18px;
  --type-h3: 15px;
  font-family: var(--font-sans);
  font-synthesis: none;
}

* { box-sizing: border-box; }

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--font-sans);
  font-size: var(--type-body);
  line-height: 1.45;
  letter-spacing: -.003em;
  font-variant-numeric: tabular-nums lining-nums;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button, input { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .5; filter: saturate(.62); }

:where(a, button, input, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  box-shadow: 0 0 0 3px var(--focus-ring);
}

[hidden] { display: none !important; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--font-display); font-weight: var(--heading-weight); letter-spacing: var(--heading-tracking); }
h1 { margin-bottom: 0; font-size: var(--type-h1); line-height: 1.2; }
h2 { margin-bottom: 0; font-size: var(--type-h2); line-height: 1.25; }
h3 { margin-bottom: 8px; font-size: var(--type-h3); line-height: 1.3; }
p { color: var(--muted); line-height: 1.45; }

.eyebrow { margin-bottom: 4px; color: var(--accent-ink); font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.eyebrow.danger { color: var(--danger); }
.muted { color: var(--muted); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

input {
  width: 100%;
  min-height: 33px;
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--ink);
  background: var(--field);
  font-size: 12.5px;
  line-height: 1.4;
  transition: background-color 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
}

input::placeholder { color: var(--placeholder); opacity: 1; }
input:invalid:not(:placeholder-shown) { border-color: var(--danger); }

.button {
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid var(--button-secondary-border);
  border-radius: 7px;
  color: var(--button-secondary-fg);
  background: var(--button-secondary-bg);
  font-size: 12px;
  font-weight: 640;
  line-height: 1.2;
  letter-spacing: -.005em;
  transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease, box-shadow 140ms ease;
}

.button:hover:not(:disabled) { border-color: var(--accent); color: var(--accent-ink); background: color-mix(in srgb, var(--accent) 28%, var(--surface-raised)); }
.button.primary { border-color: var(--button-primary-bg); color: var(--button-primary-fg); background: var(--button-primary-bg); }
.button.primary:hover:not(:disabled) { border-color: var(--button-primary-hover-bg); color: var(--button-primary-fg); background: var(--button-primary-hover-bg); }
.button.secondary { border-color: var(--button-secondary-border); color: var(--button-secondary-fg); background: var(--button-secondary-bg); }
.button.quiet { border-color: transparent; color: var(--muted); background: transparent; }
.button.destructive { border-color: var(--status-danger-border); color: var(--danger); background: var(--danger-soft); }
.button.wide { width: 100%; margin-top: 14px; }

.field-error { min-height: 18px; margin: 4px 0 0; color: var(--danger); font-size: 12px; }
.field-help { margin: 4px 0 0; color: var(--muted); font-size: 11px; }
.auth-help { margin: 0; color: var(--muted); font-size: 12px; }

/* Emery authentication shell, reduced only to the operator-password field. */
.login-screen { min-height: 100vh; display: grid; place-items: center; }
.auth-screen { place-items: stretch; background: var(--surface-soft); }
.auth-layout { min-height: 100vh; display: grid; grid-template-columns: minmax(390px, 45vw) minmax(420px, 1fr); background: var(--surface-raised); }

.auth-brand-panel {
  min-height: 100vh;
  height: 100vh;
  display: grid;
  grid-template-rows: auto minmax(260px, 1fr) auto auto;
  gap: 34px;
  padding: 62px 64px 34px;
  overflow: hidden;
  border-right: 1px solid #25354b;
  color: var(--auth-brand-ink);
  background: var(--auth-brand-bg);
}

.auth-brand-top { display: grid; align-content: start; }
.auth-product { display: grid; gap: 9px; }
.auth-product img { width: 170px; height: 84px; object-fit: contain; object-position: left center; }
.auth-product > span { max-width: 420px; color: var(--auth-brand-muted); font-size: 14px; }

.auth-learning-flow { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); align-self: center; gap: 12px; padding: 0; margin: 0; list-style: none; }
.auth-learning-flow li { min-width: 0; padding: 16px; border: 1px solid #3a4a60; border-radius: 8px; background: #182335; }
.auth-learning-flow span, .auth-learning-flow strong, .auth-learning-flow small { display: block; }
.auth-learning-flow span { margin-bottom: 18px; color: var(--auth-sequence-accent); font-size: 11px; font-weight: 800; letter-spacing: .08em; }
.auth-learning-flow strong { color: var(--auth-brand-ink); font-size: 14px; }
.auth-learning-flow small { margin-top: 4px; color: var(--auth-brand-muted); font-size: 11px; line-height: 1.35; }

.auth-status-row { display: flex; align-items: center; justify-content: space-between; gap: 14px; max-width: 560px; padding-top: 8px; color: var(--auth-brand-muted); font-size: 12px; }
.auth-status-row strong { color: var(--auth-status-ok); font-size: 12px; }
.auth-copyright { margin: 0; color: var(--auth-brand-muted); font-size: 12px; }
.auth-panel { min-height: 100vh; display: grid; place-items: center; padding: 48px; background: var(--surface-soft); }
.auth-panel-inner { width: min(520px, 100%); display: grid; gap: 22px; }
.auth-copy { display: grid; gap: 9px; }
.auth-copy h1 { font-size: 32px; line-height: 1.12; letter-spacing: 0; }
.auth-copy p:not(.eyebrow) { max-width: 500px; margin: 0; color: var(--muted); font-size: 14px; }
.auth-form { display: grid; gap: 14px; }
.auth-form label { display: grid; gap: 6px; color: var(--ink); font-size: 13px; font-weight: 650; }
.auth-form input { min-height: 46px; border-color: var(--line); background: var(--surface-raised); font-size: 14px; }
.auth-form input:focus { border-color: var(--accent); }
.auth-submit { width: 100%; min-height: 46px; margin-top: 6px; font-size: 14px; font-weight: 760; }

/* Signed-in operator workspace. */
.app-shell { width: min(1500px, 100%); margin: 0 auto; padding: 12px clamp(12px, 2vw, 24px) 32px; }
.topbar { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 4px 0 12px; }
.brand-lockup, .topbar-actions, .section-heading, .dialog-heading, .dialog-actions { display: flex; align-items: center; }
.brand-lockup { gap: 12px; }
.admin-wordmark { width: 78px; height: 38px; object-fit: contain; }
.topbar-actions { gap: 8px; }
.topbar-actions .muted { margin: 0 4px 0 0; font-size: 11px; }

.notice { margin-bottom: 12px; padding: 10px 12px; border: 1px solid var(--status-ok-border); border-radius: 8px; color: var(--green); background: var(--green-soft); }
.notice.error { border-color: var(--status-danger-border); color: var(--danger); background: var(--danger-soft); }

.create-panel {
  display: grid;
  grid-template-columns: minmax(240px, .75fr) minmax(480px, 1.5fr);
  gap: clamp(20px, 4vw, 42px);
  padding: clamp(18px, 2.5vw, 26px);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface-raised);
}

.create-panel > div .muted { max-width: 42rem; margin: 5px 0 0; }
.create-form { display: grid; grid-template-columns: minmax(160px, .85fr) minmax(210px, 1.15fr) 140px auto; align-items: start; gap: 10px; }
.field > label { display: block; margin-bottom: 6px; color: var(--ink); font-size: 12px; font-weight: 650; }
.create-button { margin-top: 23px; white-space: nowrap; }
.create-progress {
  grid-column: 2;
  display: grid;
  gap: 8px;
  margin-top: -4px;
  padding: 12px;
  border: 1px solid var(--button-secondary-border);
  border-radius: 8px;
  background: var(--accent-soft);
}
.create-progress[hidden] { display: none; }
.create-progress-copy { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.create-progress-copy strong { color: var(--accent-ink); font-size: 12px; }
.create-progress-copy span { color: var(--muted); font-size: 11px; text-align: right; }
.progress-track { height: 6px; overflow: hidden; border-radius: 999px; background: var(--button-secondary-border); }
.progress-track span {
  display: block;
  width: 38%;
  height: 100%;
  border-radius: inherit;
  background: var(--accent-ink);
  animation: provision-progress 1.4s ease-in-out infinite;
}
@keyframes provision-progress {
  from { transform: translateX(-110%); }
  to { transform: translateX(275%); }
}
.create-panel > .field-error { grid-column: 2; margin: -8px 0 0; }
.input-suffix { position: relative; }
.input-suffix input { padding-right: 52px; }
.input-suffix span { position: absolute; top: 50%; right: 9px; transform: translateY(-50%); color: var(--muted); font-size: 11px; pointer-events: none; }

.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 12px 0; }
.metrics article { min-height: 88px; padding: 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface-raised); }
.metrics span { display: block; margin-bottom: 7px; color: var(--muted); font-size: 11px; font-weight: 650; }
.metrics strong { display: block; font-size: 22px; letter-spacing: var(--heading-tracking); }

.instances { overflow: hidden; border: 1px solid var(--line-strong); border-radius: 8px; background: var(--surface-raised); }
.section-heading { justify-content: space-between; padding: 14px 16px; border-bottom: 1px solid var(--line-strong); background: var(--titlebar); }
.section-heading p { margin-bottom: 0; }
.table-wrap { overflow-x: auto; }
table { width: 100%; min-width: 1050px; border-collapse: collapse; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { color: var(--muted); background: var(--titlebar); font-size: 10px; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
td { font-size: 12px; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--surface-soft); }

.instance-name { display: flex; align-items: center; gap: 8px; min-width: 190px; }
.instance-avatar { display: grid; width: 30px; height: 30px; flex: 0 0 auto; place-items: center; border-radius: 7px; color: var(--accent-ink); background: var(--accent-soft); font-size: 10px; font-weight: 800; text-transform: uppercase; }
.instance-name strong, .instance-name span, .cell-stack strong, .cell-stack span { display: block; }
.instance-name span, .cell-note { color: var(--muted); font-size: 10px; }

.status-pill { display: inline-flex; min-height: 20px; align-items: center; justify-content: center; padding: 2px 7px; border: 1px solid var(--status-ok-border); border-radius: 999px; color: var(--green); background: var(--green-soft); font-size: 10px; font-weight: 800; line-height: 1; text-transform: capitalize; white-space: nowrap; }
.status-pill.warning { border-color: var(--status-warn-border); color: var(--orange); background: var(--orange-soft); }
.status-pill.error { border-color: var(--status-danger-border); color: var(--danger); background: var(--danger-soft); }

.row-actions { display: flex; justify-content: flex-end; gap: 6px; min-width: 245px; }
.button.text-danger { border-color: transparent; color: var(--danger); background: transparent; }
.button.text-danger:hover:not(:disabled) { border-color: var(--status-danger-border); color: var(--danger); background: var(--danger-soft); }
.empty-state { padding: 32px 16px; text-align: center; }
.empty-state p { margin-bottom: 0; color: var(--muted); }

dialog { width: min(92vw, 560px); padding: 20px; border: 1px solid var(--line-strong); border-radius: 8px; color: var(--ink); background: var(--surface-raised); box-shadow: var(--shadow-strong); }
dialog::backdrop { background: rgb(16 24 40 / 38%); }
.dialog-heading { justify-content: space-between; gap: 16px; }
.dialog-actions { justify-content: flex-end; gap: 8px; margin-top: 18px; }
.icon-button { width: 32px; height: 32px; padding: 0; border: 1px solid transparent; border-radius: 7px; color: var(--muted); background: transparent; font-size: 20px; }
.icon-button:hover { border-color: var(--line); background: var(--surface-muted); }
.access-details { display: grid; grid-template-columns: 140px 1fr; margin: 14px 0 0; border-top: 1px solid var(--line); }
.access-details dt, .access-details dd { margin: 0; padding: 10px 4px; border-bottom: 1px solid var(--line); }
.access-details dt { color: var(--muted); font-size: 10px; font-weight: 750; }
.access-details dd { overflow-wrap: anywhere; font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace; font-size: 11px; }
.access-details a { color: var(--accent-ink); font-family: inherit; font-weight: 750; }

@media (max-width: 1100px) {
  .auth-layout { grid-template-columns: minmax(320px, 42vw) minmax(360px, 1fr); }
  .auth-brand-panel { padding: 42px 36px 28px; }
  .auth-panel { padding: 36px; }
}

@media (max-width: 900px) {
  .auth-layout { grid-template-columns: 1fr; }
  .auth-brand-panel { min-height: auto; height: auto; grid-template-rows: auto auto; padding: 28px 22px; gap: 18px; }
  .auth-product img { width: 136px; height: 67px; }
  .auth-learning-flow { width: 100%; }
  .auth-status-row, .auth-copyright { display: none; }
  .auth-panel { min-height: auto; padding: 28px 20px 36px; place-items: start center; }
  .auth-copy h1 { font-size: 28px; }
  .topbar { align-items: flex-start; }
  .topbar-actions { flex-wrap: wrap; justify-content: flex-end; }
  .topbar-actions .muted { width: 100%; text-align: right; }
  .create-panel { grid-template-columns: 1fr; }
  .create-form { grid-template-columns: 1fr 1fr; }
  .create-progress { grid-column: 1 / -1; }
  .create-panel > .field-error { grid-column: 1 / -1; margin-top: 0; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 759px) {
  .auth-screen, .auth-layout { min-height: 100dvh; }
  .auth-layout { grid-template-columns: minmax(0, 1fr); }
  .auth-brand-panel { display: none; }
  .auth-panel { min-height: 100dvh; padding: max(24px, env(safe-area-inset-top)) 20px max(24px, env(safe-area-inset-bottom)); place-items: center; background: var(--bg); }
  .auth-panel-inner { width: min(100%, 420px); padding: 24px 20px; gap: 20px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface-raised); }
  .auth-copy h1 { font-size: 26px; line-height: 1.15; }
  .auth-copy p:not(.eyebrow) { font-size: 13px; }
  .auth-form input, .auth-submit { min-height: 48px; }
}

@media (max-width: 600px) {
  .app-shell { padding-inline: 10px; }
  .topbar { display: block; }
  .brand-lockup { align-items: flex-start; }
  .topbar-actions { justify-content: flex-start; margin-top: 12px; }
  .topbar-actions .muted { width: 100%; text-align: left; }
  .create-form, .metrics { grid-template-columns: 1fr; }
  .create-button { width: 100%; margin-top: 0; }
  .create-progress-copy { display: grid; gap: 3px; }
  .create-progress-copy span { text-align: left; }
  .access-details { grid-template-columns: 1fr; }
  .access-details dt { padding-bottom: 0; border-bottom: 0; }
  .access-details dd { padding-top: 2px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
  .progress-track span { width: 55%; animation: none; transform: none; }
}