:root {
  color-scheme: dark;
  --bg: #0c1119;
  --surface: #131b27;
  --surface-raised: #192331;
  --line: #293444;
  --text: #f2f4f6;
  --muted: #a2adbb;
  --accent: #e9c16a;
  --accent-ink: #201909;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: "Segoe UI", Arial, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
p { color: var(--muted); line-height: 1.65; }
.skip-link { position: absolute; top: -100px; left: 20px; z-index: 10; padding: 12px; background: var(--accent); color: var(--accent-ink); }
.skip-link:focus { top: 12px; }
.brand { display: inline-flex; align-items: center; gap: 14px; font-size: 27px; font-weight: 750; letter-spacing: 2px; }
.brand-mark { display: block; width: 14px; height: 42px; background: var(--accent); transform: skew(-23deg); margin: 0 5px; }
.brand-caption { display: block; font-size: 9px; letter-spacing: 1.4px; font-weight: 600; color: var(--muted); margin-top: 3px; }
.stage-label { display: inline-flex; align-items: center; gap: 9px; font-size: 10px; font-weight: 700; letter-spacing: 1.6px; color: var(--muted); }
.stage-dot { display: block; height: 6px; width: 6px; background: var(--accent); border-radius: 50%; }
.login-shell { min-height: 100svh; max-width: 1440px; margin: auto; padding: 0 64px; display: flex; flex-direction: column; }
.login-header { display: flex; justify-content: space-between; align-items: center; min-height: 130px; border-bottom: 1px solid var(--line); }
.login-main { flex: 1; display: grid; grid-template-columns: 1.2fr 1fr; gap: 88px; align-items: center; padding: 72px 0 90px; }
.eyebrow { color: var(--accent); font-size: 10px; font-weight: 700; letter-spacing: 2.6px; margin: 0 0 24px; }
.intro h1 { font-size: clamp(38px, 4.2vw, 66px); font-weight: 600; line-height: 1.13; letter-spacing: -2.4px; margin: 0 0 24px; }
.intro-text { max-width: 445px; font-size: 17px; margin: 0; }
.intro-topics { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 34px; }
.intro-topics span { border: 1px solid var(--line); padding: 8px 12px; font-size: 12px; color: #c5cdd7; }
.intro-note { max-width: 390px; margin: 50px 0 0; font-size: 12px; }
.login-card { background: var(--surface); border: 1px solid var(--line); border-top: 3px solid var(--accent); padding: 44px 38px 34px; }
.login-card h2 { font-size: 25px; font-weight: 600; letter-spacing: -.6px; margin: 0 0 16px; }
.login-card > p:not(.eyebrow) { font-size: 14px; margin-bottom: 30px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 18px; border: 1px solid transparent; cursor: pointer; min-height: 47px; padding: 12px 17px; font-size: 11px; font-weight: 750; letter-spacing: 1.1px; }
.button-primary { background: var(--accent); color: var(--accent-ink); }
.button-primary:hover { background: #f3d48d; }
.button-primary:disabled { cursor: not-allowed; background: #716242; color: #efe2c5; }
.login-card .button { width: 100%; }
.button-quiet { background: transparent; border-color: var(--line); color: var(--text); }
.button-quiet:hover { background: var(--surface-raised); }
.form-note { font-size: 11px; margin: 12px 0 0; }
.access-note { display: flex; align-items: flex-start; gap: 12px; border-top: 1px solid var(--line); margin-top: 28px; padding-top: 22px; }
.access-note p { font-size: 11px; margin: 0; }
.note-mark { flex-shrink: 0; border: 1px solid #617084; width: 17px; height: 17px; border-radius: 50%; text-align: center; line-height: 15px; color: var(--muted); font-family: Georgia, serif; font-size: 12px; margin-top: 2px; }
.login-footer { border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 20px; padding: 25px 0; color: var(--muted); font-size: 10px; letter-spacing: 1.4px; }
.app-shell { display: grid; grid-template-columns: 240px minmax(0, 1fr); min-height: 100svh; }
.sidebar { background: #101721; border-right: 1px solid var(--line); padding: 38px 23px; display: flex; flex-direction: column; }
.sidebar .brand { font-size: 24px; gap: 10px; margin: 0 0 55px 5px; }
.sidebar .brand-caption { font-size: 8px; }
.nav-label { font-size: 9px; letter-spacing: 1.7px; margin: 0 0 14px 13px; }
.nav-item { display: flex; align-items: center; gap: 13px; padding: 14px 12px; margin-bottom: 6px; color: var(--muted); font-size: 13px; border-left: 2px solid transparent; }
.nav-item.active { color: var(--text); background: var(--surface-raised); border-left-color: var(--accent); }
.nav-item:hover { color: var(--text); }
.nav-symbol { font-size: 10px; color: var(--accent); }
.sidebar-bottom { margin-top: auto; padding: 45px 10px 0; }
.sidebar-bottom p { font-size: 11px; }
.topbar { min-height: 88px; border-bottom: 1px solid var(--line); padding: 20px 46px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.breadcrumb { font-size: 9px; letter-spacing: 1.5px; color: var(--muted); }
.breadcrumb span { padding: 0 14px; color: #536175; }
.dashboard { max-width: 1320px; margin: auto; padding: 48px 46px 24px; }
.page-heading .eyebrow { margin-bottom: 13px; }
.page-heading h1 { font-size: 36px; font-weight: 600; letter-spacing: -1px; margin: 0; }
.page-heading > p:last-child { margin: 10px 0 34px; font-size: 14px; }
.setup-banner { display: flex; align-items: center; gap: 22px; padding: 24px; background: var(--surface); border: 1px solid var(--line); }
.banner-line { flex-shrink: 0; width: 3px; height: 48px; background: var(--accent); }
.setup-banner h2 { font-size: 16px; font-weight: 600; margin: 0 0 7px; }
.setup-banner p { max-width: 650px; margin: 0; font-size: 12px; }
.setup-banner .tag { margin-left: auto; flex-shrink: 0; }
.tag { color: var(--accent); font-size: 9px; letter-spacing: 1px; font-weight: 600; white-space: nowrap; }
.tag-muted { color: var(--muted); }
.section-heading { display: flex; align-items: baseline; flex-wrap: wrap; justify-content: space-between; gap: 8px; margin: 42px 0 18px; }
.section-heading h2 { font-size: 19px; font-weight: 600; margin: 0; }
.section-heading p { font-size: 12px; margin: 0; }
.module-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.module-card { padding: 24px; border: 1px solid var(--line); background: var(--surface); }
.module-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 28px; }
.module-number { color: var(--accent); font-size: 13px; font-variant-numeric: tabular-nums; }
.module-card h3 { font-size: 17px; margin: 0 0 10px; font-weight: 600; }
.module-card p { font-size: 12px; margin: 0; }
.dashboard-footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; border-top: 1px solid var(--line); margin-top: 38px; padding-top: 22px; font-size: 9px; letter-spacing: 1px; color: var(--muted); }
.error-shell { min-height: 100svh; max-width: 720px; margin: auto; padding: 48px 28px; }
.error-card { background: var(--surface); border: 1px solid var(--line); border-top: 3px solid var(--accent); margin-top: 60px; padding: 40px; }
.error-card h1 { font-size: 30px; font-weight: 600; letter-spacing: -.5px; }
.error-card p { font-size: 14px; }
.error-card .button { margin-top: 20px; }
@media (max-width: 1100px) {
  .login-shell { padding: 0 40px; }
  .login-main { gap: 40px; }
  .login-card { padding: 32px 26px; }
  .module-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .setup-banner { flex-wrap: wrap; }
  .setup-banner .tag { margin: 0 0 0 25px; }
  .dashboard, .topbar { padding-left: 28px; padding-right: 28px; }
}
@media (max-width: 760px) {
  .login-shell { padding: 0 24px; }
  .login-header { min-height: 102px; }
  .brand { font-size: 23px; }
  .brand-caption { font-size: 8px; }
  .login-header .stage-label { font-size: 8px; letter-spacing: .9px; }
  .login-main { grid-template-columns: 1fr; gap: 35px; padding: 48px 0; }
  .intro h1 { font-size: 43px; letter-spacing: -1.6px; }
  .intro-text { font-size: 15px; }
  .intro-topics { margin-top: 24px; }
  .intro-note { margin-top: 22px; }
  .login-card { max-width: 520px; width: 100%; padding: 30px 24px; }
  .login-footer { font-size: 8px; letter-spacing: 1px; }
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { padding: 20px 24px; border-right: 0; border-bottom: 1px solid var(--line); }
  .sidebar .brand { margin-bottom: 20px; }
  .sidebar nav { display: flex; gap: 10px; }
  .nav-item { margin: 0; }
  .nav-label, .sidebar-bottom { display: none; }
  .topbar { min-height: 74px; padding: 14px 24px; }
  .breadcrumb { font-size: 8px; letter-spacing: 1px; }
  .breadcrumb span { padding: 0 7px; }
  .dashboard { padding: 30px 24px; }
  .setup-banner { padding: 20px; }
  .setup-banner > div { flex: 1; }
  .module-grid { grid-template-columns: 1fr; }
  .module-top { margin-bottom: 20px; }
  .module-card { padding: 22px; }
  .error-card { margin-top: 40px; padding: 28px 24px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }