:root {
  color-scheme: light;
  --background: #f4f3ed;
  --surface: #fffefa;
  --ink: #1d302a;
  --muted: #55645d;
  --accent: #173f35;
  --accent-soft: #e5eee6;
  --border: #78877e;
  --danger: #8c3028;
  --radius: .75rem;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 100%;
  line-height: 1.5;
  background: var(--background);
  color: var(--ink);
}
* { box-sizing: border-box; }
body { margin: 0; }
button, input, select, textarea { font: inherit; }
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .6; }
button, input, select { min-height: 3rem; }
button { border: 1px solid var(--border); border-radius: .5rem; background: var(--surface); color: var(--ink); padding: .75rem 1rem; font-weight: 650; }
button:hover { background: var(--accent-soft); }
:focus-visible { outline: 3px solid #a05d14; outline-offset: 4px; }
a { color: var(--accent); }
.shell { max-width: 48rem; margin: 0 auto; padding: 0 1rem; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.5rem 0; }
.brand { display: flex; align-items: center; gap: .75rem; text-decoration: none; color: var(--ink); font-size: 1.125rem; font-weight: 750; letter-spacing: -.025em; }
.brand-mark { display: grid; place-items: center; width: 2.75rem; height: 2.75rem; flex-shrink: 0; background: var(--accent); color: var(--surface); border-radius: .5rem; font-size: .875rem; letter-spacing: .05em; }
.brand-subtitle { display: block; color: var(--muted); font-size: .75rem; font-weight: 500; letter-spacing: 0; }
.local-label { font-size: .75rem; color: var(--muted); text-align: right; }
.navigation { display: flex; gap: .25rem; padding: .25rem; background: #e8eae2; border-radius: .625rem; }
.navigation button { flex: 1; min-width: 0; border: 0; background: transparent; padding-inline: .5rem; }
.navigation button[aria-current="page"], .navigation button.selected { background: var(--surface); color: var(--accent); }
.save-status { min-height: 1.5rem; font-size: .8125rem; color: var(--muted); margin: .75rem 0 1.25rem; }
main { min-height: 18rem; outline: none; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 { font-size: clamp(1.875rem, 6vw, 2.75rem); line-height: 1.12; letter-spacing: -.04em; margin: .5rem 0 1rem; }
h2 { font-size: 1.375rem; line-height: 1.25; letter-spacing: -.025em; margin: .5rem 0 .75rem; }
h3 { font-size: 1.0625rem; margin: .5rem 0; }
p { margin: .75rem 0; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; margin-bottom: 1rem; }
.kicker { color: var(--accent); font-size: .75rem; font-weight: 750; text-transform: uppercase; letter-spacing: .1em; margin: 0; }
.meta { display: flex; flex-wrap: wrap; gap: .5rem 1rem; font-size: .9375rem; color: var(--muted); margin: 1rem 0; }
.muted { color: var(--muted); }
.primary { background: var(--accent); color: var(--surface); border-color: var(--accent); min-height: 3.5rem; }
.primary:hover { background: #245346; }
.secondary { background: transparent; }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.25rem; }
.actions > button { flex: 1 1 10rem; }
.field { display: flex; flex-direction: column; gap: .5rem; margin: 1rem 0; }
.field label, legend { font-weight: 650; }
input:not([type="checkbox"]):not([type="radio"]):not([type="file"]), select, textarea { width: 100%; border: 1px solid var(--border); border-radius: .5rem; background: var(--surface); padding: .75rem; color: var(--ink); }
input[type="checkbox"], input[type="radio"] { width: 1.25rem; height: 1.25rem; min-height: auto; accent-color: var(--accent); }
fieldset { border: 0; padding: 0; margin: 1rem 0; min-width: 0; }
.choice { font-size: .8125rem; padding-inline: .5rem; display: flex; align-items: center; gap: .375rem; padding: .5rem; border: 1px solid var(--border); border-radius: .5rem; min-height: 3rem; }
.choice.selected, button.selected { background: var(--accent-soft); border-color: var(--accent); }
.block { border-top: 1px solid var(--border); padding: 1rem 0; }
.block:first-child { border-top: 0; }
.notice { padding: 1rem; background: var(--accent-soft); border-left: .25rem solid var(--accent); border-radius: .25rem; }
.danger { color: var(--danger); }
button.danger { border-color: var(--danger); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 4.5rem), 1fr)); gap: .75rem; }
.timer { font-variant-numeric: tabular-nums; font-size: clamp(2.5rem, 10vw, 4rem); line-height: 1.2; font-weight: 700; letter-spacing: -.04em; margin: 1.5rem 0; }
.site-footer { border-top: 1px solid var(--border); margin-top: 2rem; padding: 1rem 0 2rem; font-size: .75rem; color: var(--muted); }
.backup-actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.text-button { background: transparent; border: 0; padding: .75rem .5rem; text-decoration: underline; text-underline-offset: .2rem; font-size: .8125rem; }
.footer-brand { margin-top: 1.5rem; font-size: .625rem; letter-spacing: .1em; font-weight: 700; }
.skip-link { position: absolute; left: 1rem; top: -6rem; z-index: 10; background: var(--surface); padding: .75rem 1rem; }
.skip-link:focus { top: 1rem; }
@media (min-width: 48rem) { .shell { padding-inline: 2rem; } .site-header { padding-top: 2rem; } .card { padding: 2rem; } }
@media (max-width: 22rem) { .card { padding: 1rem; } .local-label { max-width: 4rem; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }

summary { min-height: 3rem; padding-block: .75rem; cursor: pointer; }


dialog { width: min(42rem, calc(100% - 2rem)); max-height: 90vh; overflow: auto; color: var(--ink); }
dialog::backdrop { background: rgb(29 48 42 / .55); }

.site-header { flex-wrap: wrap; }
.brand { max-width: 100%; }
.brand > span:last-child { min-width: 0; overflow-wrap: anywhere; }

.navigation { flex-wrap: wrap; }
.navigation button { flex: 1 1 4rem; overflow-wrap: anywhere; }