*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; border-radius: 0; }

:root {
  color-scheme: dark;
  --bg: #0a0a0a;
  --s1: #0f0f0e;
  --s2: #141412;
  --s3: #1a1916;
  --s4: #23211c;
  --b1: #1b1a17;
  --b2: #26241f;
  --b3: #3a362d;
  --t1: #ece6d6;
  --t2: #aaa392;
  --t3: #7c7668;
  --accent: #c9a54e;
  --accent-hi: #e0c27a;
  --accent-lo: rgba(201, 165, 78, .09);
  --accent-md: rgba(201, 165, 78, .22);
  --accent-ring: rgba(224, 194, 122, .6);
  --on-accent: #0a0a0a;
  --ok: #26a69a;
  --ok-lo: rgba(38, 166, 154, .12);
  --warn: #e8883a;
  --warn-lo: rgba(232, 136, 58, .12);
  --bad: #ef5350;
  --bad-lo: rgba(239, 83, 80, .12);
  --r-xs: 0;
  --r-sm: 0;
  --r: 0;
  --r-lg: 0;
  --r-xl: 0;
  --sh-1: none;
  --sh-2: 0 12px 32px -8px rgba(0, 0, 0, .8);
  --sh-3: 0 24px 64px -12px rgba(0, 0, 0, .9);
  --hi: 0 0 0 0 transparent;
  --font: "Inter", "Segoe UI Variable Text", "Segoe UI", -apple-system, BlinkMacSystemFont,
    Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Inter Display", "Segoe UI Variable Display", "Segoe UI", -apple-system,
    BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", Consolas, "Liberation Mono", monospace;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --dur: .14s;
  --sp-1: .25rem;
  --sp-2: .5rem;
  --sp-3: .75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-7: 3rem;
  --sp-8: 4rem;
  --fs-xs: .75rem;
  --fs-sm: .8125rem;
  --fs-md: .9375rem;
  --fs-lg: 1.0625rem;
  --fs-xl: 1.375rem;
  --fs-2xl: 1.875rem;
  --control-h: 2.5rem;
  --control-h-sm: 2rem;
  --row-h: 2.75rem;
  --panel-pad: 1.5rem;
  --stack: 1.5rem;
  --section: 3rem;
  --topbar-h: 3.5rem;
  --bar-h: 3rem;
  --gutter: clamp(1rem, 3.2vw, 2.5rem);
  --gap: 1px;
  --content: 76rem;
  --content-wide: 96rem;
  --content-narrow: 48rem;
}

html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
html, body { min-height: 100%; }
body {
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--t1);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  font-feature-settings: "cv11", "ss01", "ss03", "tnum";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--accent-md); color: #fff8e6; }
:focus-visible { outline: 1px solid var(--accent-ring); outline-offset: 1px; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--b2); border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--b3); }
::-webkit-scrollbar-corner { background: transparent; }
* { scrollbar-color: var(--b2) transparent; scrollbar-width: thin; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: stretch;
  gap: 2.5rem;
  height: var(--topbar-h);
  padding: 0 max(var(--gutter), env(safe-area-inset-right)) 0
    max(var(--gutter), env(safe-area-inset-left));
  background: var(--bg);
  border-bottom: 1px solid var(--b2);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  color: var(--t1);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: .875rem;
  font-weight: 700;
  letter-spacing: .24em;
  white-space: nowrap;
  flex: 0 0 auto;
}
.brand::before {
  content: "";
  width: .75rem;
  height: .75rem;
  flex: 0 0 auto;
  background: var(--accent);
  box-shadow: 3px 3px 0 0 var(--accent-md);
}
.brand:hover { color: #fff8e6; }

.tabs {
  display: flex;
  align-items: stretch;
  gap: .25rem;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tabs a {
  position: relative;
  display: inline-flex;
  align-items: center;
  color: var(--t2);
  text-decoration: none;
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: .01em;
  padding: 0 .9rem;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.tabs a:hover { color: var(--t1); }
.tabs a.on { color: var(--accent-hi); }
.tabs a.on::after {
  content: "";
  position: absolute;
  left: .9rem;
  right: .9rem;
  bottom: 0;
  height: 2px;
  background: var(--accent);
}

.session {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 1rem;
  margin-left: auto;
  color: var(--t3);
  font-size: var(--fs-sm);
  white-space: nowrap;
}
.session b { color: var(--t1); font-weight: 600; }
.session form { margin: 0; }
.session button,
.signout {
  margin: 0;
  height: var(--control-h-sm);
  padding: 0 .9rem;
  background: transparent;
  color: var(--t2);
  border: 1px solid var(--b3);
  font: inherit;
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: .02em;
  cursor: pointer;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}
.session button:hover,
.signout:hover { color: var(--t1); background: var(--s3); border-color: var(--b3); }
.session button:disabled { opacity: .5; cursor: default; }

.status {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-left: auto;
  color: var(--t2);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.status i,
.dot {
  width: .4rem;
  height: .4rem;
  background: var(--ok);
}

.foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .75rem 2rem;
  padding: 1.5rem var(--gutter);
  border-top: 1px solid var(--b1);
  color: var(--t3);
  font-size: var(--fs-xs);
}
.foot strong { color: var(--t2); font-weight: 600; letter-spacing: .18em; }
.foot nav { display: flex; flex-wrap: wrap; gap: .5rem 1.75rem; }
.foot a { color: var(--t3); text-decoration: none; transition: color var(--dur) var(--ease); }
.foot a:hover { color: var(--accent-hi); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  color: var(--accent);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.kbd,
kbd {
  display: inline-block;
  min-width: 1.4em;
  padding: .05em .4em;
  border: 1px solid var(--b3);
  background: var(--s3);
  color: var(--t2);
  font-family: var(--mono);
  font-size: .76em;
  text-align: center;
}

.num { font-family: var(--mono); font-variant-numeric: tabular-nums; letter-spacing: 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 1100px) {
  .topbar { gap: 1.25rem; }
  .tabs a { padding: 0 .7rem; }
  .tabs a.on::after { left: .7rem; right: .7rem; }
  .session > span { display: none; }
}

@media (max-width: 760px) {
  body { font-size: 15px; }
  .topbar {
    flex-wrap: wrap;
    height: auto;
    gap: 0 .75rem;
    padding: 0 1rem;
  }
  .brand { min-height: 3.25rem; }
  .tabs {
    order: 3;
    width: calc(100% + 2rem);
    margin: 0 -1rem;
    padding: 0 .5rem;
    gap: 0;
    border-top: 1px solid var(--b1);
    overflow-x: auto;
    scrollbar-width: none;
  }
  .tabs::-webkit-scrollbar { display: none; }
  .tabs a { flex: 0 0 auto; min-height: 2.75rem; padding: 0 .8rem; }
  .tabs a.on::after { left: .8rem; right: .8rem; }
  .session { font-size: var(--fs-xs); gap: .6rem; }
  .session > span { display: inline; max-width: 9rem; overflow: hidden; text-overflow: ellipsis; }
  .foot { padding: 1.25rem 1rem; }
}