/* Blackwell Hub. Tokens from BLACKWELL_STYLE.md section 3 (dark theme). Inter is not loaded from
   Google Fonts because the CSP is default-src 'self'; the stack falls back to Segoe UI. */
:root {
  --bw-bg: #04091F;
  --bw-surface: #0A1838;
  --bw-surface-2: #0F2147;
  --bw-surface-3: #14295C;
  --bw-text: #FFFFFF;
  --bw-text-2: #E7ECF4;
  --bw-text-body: #9BA6BC;
  --bw-text-muted: #818EA6;
  --bw-text-faint: #65718B;
  --bw-accent: #C8A34B;
  --bw-accent-bright: #DDBE6E;
  --bw-accent-soft: rgba(200,163,75,.12);
  --bw-accent-line: rgba(200,163,75,.34);
  --bw-on-accent: #04091F;
  --bw-accent-text: #C8A34B;
  --bw-primary: #C8A34B;
  --bw-on-primary: #04091F;
  --bw-nav-bg: #0A1838;
  --bw-nav-text: #9BA6BC;
  --bw-nav-text-dim: #818EA6;
  --bw-border: rgba(255,255,255,.10);
  --bw-border-subtle: rgba(255,255,255,.055);
  --bw-border-solid: #232F4C;
  --bw-success: #4CB58A;
  --bw-danger: #E0776B;
  --bw-warning: #E8964A;
  --bw-info: #7FA8E8;
  --bw-focus: 0 0 0 2px #04091F, 0 0 0 4px #C8A34B;
  --bw-shadow: 0 8px 24px rgba(0,0,0,.35);
  --bw-page-gradient:
    radial-gradient(circle at 6% 6%, rgba(200,163,75,.075), rgba(200,163,75,0) 46%),
    radial-gradient(125% 100% at 84% 4%, #14295C 0%, #091635 42%, #04091F 100%);
  --bw-radius-sm: 4px;
  --bw-radius: 6px;
  --bw-radius-lg: 10px;
  --bw-ease: cubic-bezier(.2,.7,.2,1);
  --bw-font-sans: Inter, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --bw-font-serif: "Palatino Linotype", Palatino, "Book Antiqua", "URW Palladio L", Georgia, serif;
  --sidebar-w: 240px;
  --topbar-h: 56px;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: var(--bw-font-sans);
  font-size: 14px;
  line-height: 1.6;
  color: var(--bw-text-body);
  background: var(--bw-page-gradient), var(--bw-bg);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
a { color: var(--bw-accent-text); text-decoration: none; }
a:hover { color: var(--bw-accent-bright); }
strong { color: var(--bw-text); font-weight: 600; }
h2 { font-size: 20px; line-height: 1.25; font-weight: 600; letter-spacing: -.008em; color: var(--bw-text); margin: 24px 0 12px; }
h3 { font-size: 16px; line-height: 1.3; font-weight: 600; color: var(--bw-text); margin: 4px 0 4px; }
.muted { color: var(--bw-text-muted); }
.small { font-size: 12px; line-height: 1.5; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: none; box-shadow: var(--bw-focus); }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,.14); border-radius: 4px; }
::-webkit-scrollbar-track { background: transparent; }

/* Wordmark (no logo image) */
.wordmark { font-family: var(--bw-font-serif); font-size: 20px; font-weight: 400; color: var(--bw-text); white-space: nowrap; }
.wordmark-sub { color: var(--bw-accent-text); }
.wordmark-lg { font-size: 26px; }
.wordmark { display: inline-flex; align-items: center; gap: 8px; }
.wordmark .logo { height: 24px; width: auto; }
.wordmark-lg .logo { height: 36px; }

/* Typography helpers */
.bw-page-title { font-size: 28px; line-height: 1.1; font-weight: 600; letter-spacing: -.012em; color: var(--bw-text); margin: 4px 0 0; }
.bw-page-title::after { content: ""; display: block; width: 40px; height: 2px; background: var(--bw-accent); margin-top: 12px; }
.bw-eyebrow { font-size: 11px; line-height: 1.4; font-weight: 600; letter-spacing: .22em; text-transform: uppercase; color: var(--bw-accent-text); }

/* Shell */
.topbar {
  position: sticky; top: 0; z-index: 30;
  height: var(--topbar-h);
  display: flex; align-items: center; gap: 12px;
  padding: 0 16px;
  background: var(--bw-nav-bg);
  border-bottom: 1px solid var(--bw-border);
}
.sidebar-toggle {
  width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--bw-border); border-radius: var(--bw-radius-sm);
  cursor: pointer; transition: background 150ms var(--bw-ease), border-color 150ms var(--bw-ease);
}
.sidebar-toggle:hover { background: var(--bw-surface-2); border-color: var(--bw-accent-line); }
.burger, .burger::before, .burger::after { display: block; width: 16px; height: 1.5px; background: var(--bw-text-2); position: relative; }
.burger::before, .burger::after { content: ""; position: absolute; left: 0; }
.burger::before { top: -5px; }
.burger::after { top: 5px; }

.layout { display: flex; min-height: calc(100vh - var(--topbar-h)); }
.sidebar {
  flex: 0 0 var(--sidebar-w); width: var(--sidebar-w);
  background: var(--bw-nav-bg);
  border-right: 1px solid var(--bw-border);
  padding: 12px 0 24px;
  position: sticky; top: var(--topbar-h);
  height: calc(100vh - var(--topbar-h)); overflow-y: auto;
}
body.sidebar-collapsed .sidebar { display: none; }
.nav-label {
  font-size: 11px; font-weight: 600; letter-spacing: .22em; text-transform: uppercase;
  color: var(--bw-nav-text-dim); padding: 16px 20px 6px;
}
.nav-item {
  position: relative; display: flex; align-items: center; justify-content: space-between;
  width: 100%; padding: 8px 20px; color: var(--bw-nav-text); font: inherit; text-align: left;
  background: transparent; border: 0; cursor: pointer;
  transition: color 150ms var(--bw-ease), background 150ms var(--bw-ease);
}
.nav-item:hover { color: var(--bw-text); background: var(--bw-surface-2); }
.nav-item.is-active { color: var(--bw-text); background: var(--bw-accent-soft); }
.nav-item.is-active::before { content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 3px; background: var(--bw-accent); }
.nav-ext { color: var(--bw-text-muted); font-size: 12px; }
.nav-form { margin: 0; }
.nav-empty { padding: 4px 20px; margin: 0; font-size: 12px; color: var(--bw-text-muted); }
.nav-user { padding: 20px 20px 0; font-size: 12px; color: var(--bw-text-muted); border-top: 1px solid var(--bw-border-subtle); margin-top: 16px; }

.main { flex: 1 1 auto; min-width: 0; padding: 32px 32px 48px; }
/* App shell: a small app bar over a frame that fills the rest of the content area. */
.main.main-app { padding: 0; display: flex; flex-direction: column; height: calc(100vh - var(--topbar-h)); }
.app-bar {
  flex: 0 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 6px 16px; background: var(--bw-surface); border-bottom: 1px solid var(--bw-border);
}
.app-name { color: var(--bw-text); font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.app-newtab { font-size: 12px; white-space: nowrap; }
.app-frame { flex: 1 1 auto; display: block; width: 100%; border: 0; background: var(--bw-bg); }
.page-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.page-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* Cards and tiles */
.bw-card { background: var(--bw-surface); border: 1px solid var(--bw-border); border-radius: var(--bw-radius); padding: 20px 24px; }
.bw-card--highlight { background: var(--bw-accent-soft); border-color: var(--bw-accent-line); }
.narrow { max-width: 520px; }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; margin-top: 16px; }
.tile { display: flex; flex-direction: column; gap: 4px; }
.tile .btn { align-self: flex-start; margin-top: 12px; }
.empty { text-align: center; padding: 48px 16px; }
.actions-card { margin-top: 24px; max-width: 720px; }
.actions-card h2 { margin-top: 0; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 36px; padding: 0 16px; border-radius: var(--bw-radius-sm);
  font: 600 14px/1 var(--bw-font-sans); cursor: pointer; border: 1px solid transparent;
  transition: background 150ms var(--bw-ease), border-color 150ms var(--bw-ease), color 150ms var(--bw-ease);
}
.btn-primary { background: var(--bw-primary); color: var(--bw-on-primary); }
.btn-primary:hover { background: var(--bw-accent-bright); color: var(--bw-on-primary); }
.btn-secondary { background: transparent; color: var(--bw-text); border-color: var(--bw-border); }
.btn-secondary:hover { background: var(--bw-surface-2); border-color: var(--bw-accent-line); color: var(--bw-text); }
.btn-ghost { background: transparent; color: var(--bw-text-body); }
.btn-ghost:hover { background: var(--bw-surface-2); color: var(--bw-text); }
.btn-danger { background: transparent; color: var(--bw-danger); border-color: rgba(224,119,107,.5); }
.btn-danger:hover { background: rgba(224,119,107,.12); }
.btn-block { width: 100%; }
form.inline { display: inline-block; margin: 0 8px 8px 0; }

/* Forms */
.form { display: flex; flex-direction: column; gap: 6px; max-width: 720px; }
.form label { font-size: 12px; font-weight: 500; color: var(--bw-text-body); margin-top: 8px; }
.form .btn { margin-top: 16px; align-self: flex-start; }
.form .btn-block { align-self: stretch; }
input, select, textarea {
  font: 14px/1.4 var(--bw-font-sans); color: var(--bw-text-2);
  background: var(--bw-surface-2); border: 1px solid var(--bw-border); border-radius: var(--bw-radius-sm);
  padding: 8px 10px; min-height: 36px; width: 100%;
}
textarea { font-family: Consolas, "Courier New", monospace; font-size: 13px; resize: vertical; }
input::placeholder, textarea::placeholder { color: var(--bw-text-muted); }
input:focus, select:focus, textarea:focus { border-color: var(--bw-accent); outline: none; }
input[type="checkbox"] { width: 16px; height: 16px; min-height: 0; accent-color: var(--bw-accent); margin: 0 8px 0 0; vertical-align: middle; }
label.check { display: flex; align-items: center; color: var(--bw-text-2); font-size: 14px; }
fieldset.app-access { border: 1px solid var(--bw-border-subtle); border-radius: var(--bw-radius); padding: 8px 16px 16px; margin: 8px 0 0; }
.form .claims-hint { margin: 0; }
fieldset.app-access legend { color: var(--bw-text); font-weight: 600; padding: 0 6px; }
.filter { display: flex; align-items: flex-end; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.filter label { width: 100%; font-size: 12px; font-weight: 500; }
.filter input { width: 240px; }

/* Alerts and badges */
.alert { border-radius: var(--bw-radius-sm); padding: 10px 14px; margin: 12px 0; background: var(--bw-surface-2); border-left: 3px solid var(--bw-info); color: var(--bw-text-2); }
.alert-error { border-left-color: var(--bw-danger); }
.alert-success { border-left-color: var(--bw-success); }
.badge { display: inline-block; border-radius: var(--bw-radius-sm); padding: 2px 8px; font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.badge-on { color: var(--bw-success); background: rgba(76,181,138,.14); }
.badge-off { color: var(--bw-text-muted); background: rgba(255,255,255,.045); }
.badge-gold { color: var(--bw-accent-text); border: 1px solid var(--bw-accent-line); }
.warning { color: var(--bw-warning); font-weight: 600; }
.secret { font-family: Consolas, "Courier New", monospace; font-size: 20px; letter-spacing: .04em; color: var(--bw-text); background: var(--bw-surface); border: 1px solid var(--bw-accent-line); border-radius: var(--bw-radius-sm); padding: 10px 14px; user-select: all; word-break: break-all; }

/* Tables */
.table-wrap { overflow-x: auto; padding: 16px 12px 8px; }
.bw-table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.bw-table th { font-size: 11px; font-weight: 600; letter-spacing: .15em; text-transform: uppercase; color: var(--bw-accent-text); text-align: left; padding: 0 12px 10px; border-bottom: 1px solid var(--bw-accent-line); white-space: nowrap; }
.bw-table td { font-size: 14px; color: var(--bw-text-body); padding: 11px 12px; border-bottom: 1px solid var(--bw-border-subtle); vertical-align: top; }
.bw-table td:first-child { color: var(--bw-text-2); font-weight: 500; }
.bw-table tr:hover td { background: var(--bw-surface-2); }
.bw-table tr:last-child td { border-bottom: 0; }
.bw-table td.details { font-family: Consolas, "Courier New", monospace; font-size: 12px; word-break: break-all; max-width: 420px; }

/* Login */
body.login { display: flex; align-items: center; justify-content: center; padding: 24px; }
.login-box { width: 100%; max-width: 380px; padding: 32px; }
.tagline { color: var(--bw-text-muted); margin: 4px 0 16px; font-size: 12px; letter-spacing: .08em; }

/* Phone width: the sidebar becomes an overlay opened by the toggle (hidden by default). */
@media (max-width: 760px) {
  .main { padding: 24px 16px 40px; }
  .sidebar {
    position: fixed; left: 0; top: var(--topbar-h); bottom: 0; z-index: 20;
    width: min(80vw, var(--sidebar-w)); height: auto; box-shadow: var(--bw-shadow);
  }
  .bw-page-title { font-size: 24px; }
}