* { box-sizing: border-box; }
html { font-size: calc(16px * var(--text-scale)); scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; min-height: 100vh; background: var(--bg); color: var(--text); font-family: var(--font-ui); line-height: 1.55; }
button, input, select, textarea { font: inherit; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: .35rem; }
.skip-link { position: fixed; left: 1rem; top: .5rem; z-index: 1000; transform: translateY(-180%); background: var(--text); color: var(--surface); padding: .7rem 1rem; border-radius: .6rem; }
.skip-link:focus { transform: translateY(0); }
.app-shell { min-height: 100vh; display: grid; grid-template-columns: 16.5rem minmax(0, 1fr); }
.sidebar { position: sticky; top: 0; height: 100vh; padding: var(--space-5); background: var(--surface); border-right: 1px solid var(--border); overflow-y: auto; z-index: 40; }
.brand { display: flex; align-items: center; gap: .75rem; min-height: 48px; text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 2.5rem; height: 2.5rem; border-radius: .8rem; color: white; font-weight: 800; letter-spacing: -.04em; background: var(--brand-grad); box-shadow: var(--shadow-sm); }
.brand-copy strong { display: block; font-size: .98rem; line-height: 1.1; }
.brand-copy span { display: block; margin-top: .2rem; color: var(--text-muted); font-size: .73rem; }
.nav { margin-top: var(--space-8); display: grid; gap: .35rem; }
.nav-link { min-height: 44px; display: flex; align-items: center; gap: .75rem; padding: .65rem .8rem; border-radius: .75rem; text-decoration: none; color: var(--text-muted); font-weight: 650; }
.nav-link:hover { background: var(--surface-2); color: var(--text); }
.nav-link[aria-current="page"] { background: var(--accent-soft); color: var(--accent-strong); }
.nav-icon { width: 1.35rem; text-align: center; font-size: 1.05rem; }
.sidebar-preferences { display: none; }
.sidebar-pref-label { color: var(--text-muted); font-size: .75rem; font-weight: 750; }
.sidebar-footer { margin-top: var(--space-8); padding-top: var(--space-5); border-top: 1px solid var(--border); color: var(--text-muted); font-size: .76rem; }
.sidebar-footer a { color: var(--accent-strong); }
.main-column { min-width: 0; display: flex; flex-direction: column; }
.topbar { position: sticky; top: 0; z-index: 30; min-height: 68px; display: flex; align-items: center; gap: .75rem; padding: .65rem clamp(.75rem, 2vw, 1.5rem); border-bottom: 1px solid color-mix(in srgb, var(--border) 80%, transparent); background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(14px); }
.menu-button { display: none; }
.topbar-title { flex: 1; min-width: 0; }
.topbar-title p { margin: 0; color: var(--text-muted); font-size: .75rem; }
.topbar-title h1 { margin: .05rem 0 0; font-size: clamp(1rem, 2.5vw, 1.22rem); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.controls { display: flex; align-items: center; gap: .4rem; }
.icon-button, .seg-button { min-width: 44px; min-height: 44px; border: 1px solid var(--border); background: var(--surface); color: var(--text); border-radius: .75rem; cursor: pointer; box-shadow: 0 1px 0 rgb(0 0 0 / .03); }
.icon-button:hover, .seg-button:hover { background: var(--surface-2); }
.segmented { display: inline-flex; padding: .2rem; border: 1px solid var(--border); border-radius: .85rem; background: var(--surface); }
.segmented .seg-button { min-width: 44px; min-height: 44px; border: 0; box-shadow: none; background: transparent; border-radius: .65rem; }
.segmented .seg-button[aria-pressed="true"] { background: var(--accent-soft); color: var(--accent-strong); font-weight: 800; }
.content { width: min(1180px, 100%); margin: 0 auto; padding: clamp(1rem, 2.5vw, 2rem); flex: 1; }
.view[hidden] { display: none !important; }
.hero { position: relative; overflow: hidden; padding: clamp(1.25rem, 4vw, 2.25rem); border: 1px solid var(--border); border-radius: var(--radius-lg); background: linear-gradient(135deg, color-mix(in srgb, var(--surface) 92%, var(--accent-soft)), var(--surface)); box-shadow: var(--shadow-sm); }
.hero::after { content: ""; position: absolute; right: -4rem; top: -5rem; width: 15rem; aspect-ratio: 1; border-radius: 50%; background: color-mix(in srgb, var(--accent) 12%, transparent); filter: blur(2px); }
.eyebrow { margin: 0 0 .4rem; color: var(--accent-strong); font-size: .78rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.hero h2 { position: relative; margin: 0; max-width: 18ch; font-size: clamp(1.8rem, 6vw, 3.4rem); line-height: 1.05; letter-spacing: -.04em; }
.hero-text { position: relative; max-width: 64ch; margin: 1rem 0 0; color: var(--text-muted); }
.hero-actions { position: relative; display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.35rem; }
.button { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: .5rem; border: 1px solid var(--border); padding: .68rem 1rem; border-radius: .75rem; text-decoration: none; font-weight: 750; cursor: pointer; background: var(--surface); color: var(--text); }
.button.primary { border-color: var(--accent); background: var(--accent); color: white; }
html[data-theme="dark"] .button.primary { color: #06111f; }
.button:hover { transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.quote { margin: 1.2rem 0 0; padding-left: 1rem; border-left: 3px solid var(--accent); color: var(--text-muted); font-size: .92rem; }
.metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .8rem; margin-top: 1rem; }
.metric { padding: 1rem; border: 1px solid var(--border); background: var(--surface); border-radius: .9rem; box-shadow: var(--shadow-sm); }
.metric strong { display: block; font-size: 1.45rem; line-height: 1; }
.metric span { display: block; margin-top: .45rem; color: var(--text-muted); font-size: .78rem; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin: 1.8rem 0 .9rem; }
.section-heading h3 { margin: 0; font-size: 1.1rem; }
.section-heading p { margin: 0; color: var(--text-muted); font-size: .8rem; }
.module-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .85rem; }
.module-card { min-height: 150px; display: flex; flex-direction: column; padding: 1rem; border: 1px solid var(--border); border-radius: 1rem; background: var(--surface); text-decoration: none; box-shadow: var(--shadow-sm); }
.module-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.module-card .card-icon { font-size: 1.25rem; }
.module-card strong { margin-top: .7rem; }
.module-card span { margin-top: .35rem; color: var(--text-muted); font-size: .82rem; }
.module-card .card-action { margin-top: auto; padding-top: .8rem; color: var(--accent-strong); font-size: .78rem; font-weight: 800; }
.placeholder { min-height: 58vh; display: grid; place-items: center; padding: 2rem; border: 1px dashed var(--border); border-radius: var(--radius-lg); background: var(--surface); text-align: center; }
.placeholder-inner { max-width: 44rem; }
.placeholder-badge { display: inline-flex; padding: .35rem .65rem; border-radius: 99px; background: var(--accent-soft); color: var(--accent-strong); font-size: .75rem; font-weight: 800; }
.placeholder h2 { margin: .8rem 0 .4rem; }
.placeholder p { margin: 0 auto; max-width: 58ch; color: var(--text-muted); }
.app-footer { padding: 1rem clamp(1rem, 2.5vw, 2rem) 2rem; color: var(--text-muted); font-size: .75rem; text-align: center; }
.mobile-scrim { display: none; position: fixed; inset: 0; z-index: 35; border: 0; background: rgb(2 6 23 / .55); }
.status-dot { width: .55rem; height: .55rem; border-radius: 50%; background: var(--success); display: inline-block; margin-right: .35rem; }
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }
@media (max-width: 1020px) {
  .module-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 820px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: fixed; inset: 0 auto 0 0; width: min(88vw, 19rem); transform: translateX(-105%); visibility: hidden; transition: transform .18s ease-out; box-shadow: var(--shadow-lg); }
  body.nav-open .sidebar { transform: translateX(0); visibility: visible; }
  body.nav-open .mobile-scrim { display: block; }
  .menu-button { display: inline-grid; place-items: center; }
  .topbar { min-height: 62px; }
  .controls .theme-group-label { display: none; }
}
@media (max-width: 520px) {
  .content { padding: .85rem; }
  .topbar { padding-inline: .65rem; }
  .topbar-title p { display: none; }
  .topbar .controls { display: none; }
  .sidebar-preferences { display: grid; gap: .55rem; margin-top: 1.1rem; padding-top: 1rem; border-top: 1px solid var(--border); }
  .sidebar-preferences .segmented { width: 100%; }
  .sidebar-preferences .seg-button { flex: 1; }
  .module-grid { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .hero-actions .button { width: 100%; }
}
@media (max-width: 360px) {
  .metrics { grid-template-columns: 1fr; }
  .controls { gap: .25rem; }
  .icon-button { min-width: 42px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .001ms !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; }
  .button:hover, .module-card:hover { transform: none; }
}