:root {
  color-scheme: dark;
  --ink: #f3f8f5;
  --muted: #9db0ac;
  --canvas: #061415;
  --surface: #0b2021;
  --line: #244143;
  --accent: #75e1bd;
  --warm: #f1bb6a;
  font-family: ui-rounded, "SF Pro Rounded", "Segoe UI", system-ui, sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { background: var(--canvas); }
body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: radial-gradient(circle at 84% -10%, rgb(51 136 113 / 17%), transparent 32rem), var(--canvas);
  color: var(--ink);
}
a { -webkit-tap-highlight-color: transparent; }
a:focus-visible { outline: 3px solid var(--warm); outline-offset: 3px; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 20; padding: .75rem 1rem; border-radius: .7rem; background: var(--ink); color: var(--canvas); }
.skip-link:focus { top: 1rem; }
.app-header, main, footer, .page-nav { width: min(100% - 2rem, 72rem); margin-inline: auto; }
.app-header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 1.15rem; }
.brand { display: inline-flex; align-items: center; gap: .7rem; color: var(--accent); text-decoration: none; }
.brand span { display: grid; line-height: 1.02; }
.brand strong { color: var(--ink); font-size: 1.05rem; }
.brand small { margin-top: .2rem; color: var(--muted); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; }
.mode-pill { display: inline-flex; align-items: center; gap: .5rem; padding: .45rem .7rem; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: .76rem; font-weight: 700; }
.mode-pill > span:first-child { width: .5rem; height: .5rem; border-radius: 50%; background: var(--warm); }
main { padding-block: 3.5rem 4rem; }
.overview { margin-bottom: 3rem; }
.eyebrow { margin: 0 0 .45rem; color: var(--accent); font-size: .72rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
h1, h2, p { margin-top: 0; }
h1 { max-width: 12ch; margin-bottom: 1rem; font-size: clamp(2.25rem, 8vw, 4.7rem); line-height: .96; letter-spacing: -.055em; }
h2 { margin-bottom: 1rem; font-size: clamp(1.3rem, 3vw, 1.65rem); letter-spacing: -.025em; }
.intro, .connection-card p:not(.eyebrow) { max-width: 38rem; color: var(--muted); line-height: 1.55; }
.connection-card { max-width: 45rem; padding: 1.5rem; border: 1px solid var(--line); border-radius: 1.2rem; background: var(--surface); }
.connection-card p:last-child { margin-bottom: 0; }
footer { display: flex; justify-content: space-between; padding-block: 1.2rem 2rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .72rem; }
[hidden] { display: none !important; }
button { padding: .7rem 1rem; border: 1px solid var(--line); border-radius: .5rem; background: var(--accent); color: var(--canvas); font: inherit; cursor: pointer; }
button:disabled { opacity: .55; cursor: not-allowed; }
button:focus-visible, .table-scroll:focus-visible { outline: 3px solid var(--warm); outline-offset: 3px; }
.actions { display: flex; gap: .75rem; flex-wrap: wrap; }
#entities { margin-top: 2rem; }
.header-actions { display: flex; align-items: center; gap: .8rem; }
.profile-menu { position: relative; }
.profile-menu summary { display: flex; align-items: center; gap: .5rem; cursor: pointer; list-style: none; }
.profile-menu summary::-webkit-details-marker { display: none; }
.profile-menu nav { position: absolute; right: 0; top: calc(100% + .7rem); z-index: 5; display: grid; gap: .35rem; min-width: 15rem; padding: .75rem; border: 1px solid var(--line); border-radius: .7rem; background: var(--surface); box-shadow: 0 1rem 3rem #0008; }
.profile-menu nav a { padding: .7rem; color: var(--ink); text-decoration: none; }
.profile-menu nav a:hover { background: var(--line); border-radius: .4rem; }
.avatar { display: grid; place-items: center; width: 2rem; height: 2rem; border-radius: 50%; background: var(--accent); color: var(--canvas); font-weight: 700; }
.page-nav { display: flex; gap: 1.5rem; padding-block: .8rem; border-block: 1px solid var(--line); }
.page-nav a, .text-link { color: var(--accent); text-underline-offset: .2em; }
.cards { display: grid; gap: 1rem; max-width: 45rem; margin-top: 2rem; }
.card { padding: 1.5rem; background: var(--surface); border: 1px solid var(--line); border-radius: 1rem; }
.muted { color: var(--muted); line-height: 1.6; }
.small { font-size: .85rem; margin-top: 1rem; }
.ha-sign-in { display: inline-flex; align-items: center; gap: .7rem; background: #f2faff; color: #06354b; border-color: #8dd8f5; font-weight: 650; }
.secondary { background: transparent; color: var(--ink); }
.danger { background: transparent; color: #ffb4b4; border-color: #804949; }
.account-form { margin-block: 1rem; }
fieldset { margin: 0; padding: 0; border: 0; min-width: 0; }
legend { margin-bottom: .8rem; color: var(--muted); }
label { display: grid; gap: .4rem; margin-bottom: 1rem; }
input, select { width: 100%; padding: .7rem; border: 1px solid var(--line); border-radius: .4rem; font: inherit; color: var(--ink); background: var(--canvas); }
.checkbox { display: flex; align-items: center; gap: .6rem; }
.checkbox input { width: 1.1rem; height: 1.1rem; accent-color: var(--accent); }
.feedback { margin: .8rem 0 0; overflow-wrap: anywhere; }
.feedback:empty { display: none; }
.session-row { padding-block: 1rem; border-top: 1px solid var(--line); overflow-wrap: anywhere; }
.session-row button { margin-top: .7rem; }
dialog { max-width: min(90vw, 32rem); padding: 1.5rem; background: var(--surface); color: var(--ink); border: 1px solid var(--line); border-radius: .8rem; }
dialog::backdrop { background: #000b; }
dialog p { line-height: 1.6; overflow-wrap: anywhere; }
summary:focus-visible, input:focus-visible, select:focus-visible { outline: 3px solid var(--warm); outline-offset: 3px; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; text-align: left; font-size: .9rem; }
th, td { padding: .7rem; border-bottom: 1px solid var(--line); overflow-wrap: anywhere; }
th { color: var(--muted); }

@media (min-width: 44rem) {
  .app-header, main, footer, .page-nav { width: min(100% - 4rem, 72rem); }
  main { padding-top: 5rem; }
}
@media (max-width: 35rem) {
  #profile-name, .mode-pill > span:first-child { display: none; }
  .mode-pill { font-size: .7rem; }
}