:root {
  color-scheme: light;
  --canvas: #f5f3ed;
  --surface: #fffefa;
  --field: #f2efe7;
  --ink: #211f1b;
  --muted: #686259;
  --line: #ded9cd;
  --accent: #a1321e;
  --signal: #ff704f;
  --focus: #a13824;
  --good: #275744;
  --good-bg: #e3eee5;
  --warn: #893926;
  --warn-bg: #f9e2d7;
  --exposed-ink: #a3211f;
  --exposed-bg: #ffe4e1;
  --night: #22211e;
  --night-line: #514b43;
  --night-text: #fffaf0;
  --night-muted: #c9c0b1;
  --body: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --display: "Avenir Next", var(--body);
  --mono: ui-monospace, SFMono-Regular, Consolas, monospace;
  --ease: cubic-bezier(.2, .74, .26, 1);
  --radius: 18px;
  --pad: clamp(16px, 2.8vw, 32px);
  --bar-height: 72px;
}
body[data-appearance="midnight"] {
  color-scheme: dark;
  --canvas: #1b1a17;
  --surface: #25241f;
  --field: #302e27;
  --ink: #faf5e9;
  --muted: #c8beab;
  --line: #484339;
  --accent: #ff9d85;
  --focus: #ff9d85;
  --good: #bce5cc;
  --good-bg: #293e33;
  --warn: #ffd3c0;
  --warn-bg: #4e3228;
  --exposed-ink: #ffb2ac;
  --exposed-bg: #562b2a;
}
* { box-sizing: border-box; }
html { background: var(--canvas); }
html:has(body[data-appearance="midnight"]) { background: #1b1a17; }
body { margin: 0; color: var(--ink); background: var(--canvas); font: 15px/1.55 var(--body); -webkit-font-smoothing: antialiased; }
[hidden] { display: none !important; }
button, input, textarea, select { font: inherit; color: inherit; }
button { border: 0; background: none; cursor: pointer; }
button:disabled { opacity: .55; cursor: default; }
a { color: inherit; text-decoration: none; }
button, a, input, textarea, select, summary { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 4px; }
:where(h1, h2, h3, p) { margin: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip { position: fixed; top: -90px; left: 12px; z-index: 60; padding: 10px 14px; border-radius: 8px; color: var(--surface); background: var(--ink); }
.skip:focus { top: 12px; }

.app-titlebar { display: none; }
.desktop-mac { --titlebar-height: 36px; padding-top: var(--titlebar-height); }
.desktop-mac .app-titlebar {
  position: fixed; inset: 0 0 auto; height: var(--titlebar-height); z-index: 50;
  display: grid; place-items: center; -webkit-app-region: drag;
  font: 600 11px var(--body); color: var(--muted); background: var(--canvas); border-bottom: 1px solid var(--line);
}
.desktop-mac.welcome-open .app-titlebar { color: var(--night-muted); background: var(--night); border-color: var(--night-line); }

.primary-button, .secondary-button, .tour-button, .icon-button {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 42px; border-radius: 10px; padding: 9px 14px; font-weight: 680; font-size: 13px;
  line-height: 1.25; transition: background-color .2s, border-color .2s, transform .24s var(--ease), box-shadow .24s;
}
.primary-button { background: var(--ink); color: var(--surface); border: 1px solid var(--ink); }
.primary-button:not(:disabled):hover { box-shadow: 0 3px 0 var(--signal); transform: translateY(-2px); }
.secondary-button, .tour-button, .icon-button { border: 1px solid var(--line); background: var(--surface); color: var(--ink); }
.secondary-button:not(:disabled):hover, .tour-button:hover, .icon-button:hover { border-color: var(--ink); background: var(--field); }
.primary-button:not(:disabled):active, .secondary-button:not(:disabled):active, .tour-button:active, .icon-button:active { transform: translateY(1px); }
.text-button { padding: 0; color: var(--accent); font-size: 13px; font-weight: 640; }
.text-button:hover { text-decoration: underline; text-underline-offset: 4px; }
.section-kicker, .tiny-label, .edition, .hero-kicker {
  font: 650 10px/1.35 var(--mono); letter-spacing: .08em; color: var(--muted);
}
.section-kicker { color: var(--accent); }
.hero-kicker { color: var(--night-muted); display: flex; align-items: center; gap: 8px; }
.hero-kicker > span, .status-dot { display: inline-block; width: 7px; height: 7px; background: var(--signal); border-radius: 2px; flex: none; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); min-width: 0; }
.card-heading, .panel-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 17px 20px; }
.card-heading h2, .panel-header h2 { font-size: 15px; font-weight: 690; }
.simple-empty { padding: 23px; }
.simple-empty h2 { font: 740 23px/1.2 var(--display); letter-spacing: -.045em; }
.simple-empty p { margin-top: 7px; color: var(--muted); }
.simple-empty :is(.primary-button, .text-button) { margin-top: 14px; display: inline-flex; }
.disclosure > summary { display: flex; align-items: center; gap: 12px; min-height: 48px; padding: 10px 17px; cursor: pointer; list-style: none; font-weight: 665; font-size: 13px; border-radius: 10px; }
.disclosure > summary::-webkit-details-marker { display: none; }
.disclosure > summary::after { content: "+"; margin-left: auto; font: 400 18px/1 var(--mono); color: var(--muted); }
.disclosure[open] > summary::after { content: "−"; }
.disclosure > summary:hover { background: var(--field); }
.disclosure > summary:focus-visible { outline-offset: -3px; }
.disclosure-content { padding: 0 17px 17px; }
.card.disclosure { margin-top: 12px; }
.setting-links { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; margin-top: 12px; }
.setting-note, .setting-links > span { color: var(--muted); font-size: 13px; }
select, .device-form input { max-width: 100%; padding: 7px 9px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface); }
input[type="checkbox"], progress { accent-color: var(--accent); }

dialog {
  width: min(calc(100% - 36px), 530px); max-height: 84dvh; border: 1px solid var(--line); border-radius: 19px;
  padding: 23px; color: var(--ink); background: var(--surface); box-shadow: 0 30px 100px #15110c55; overscroll-behavior: contain;
}
dialog[open]:not([data-view="provider"]) { animation: dialog-enter .29s var(--ease) both; }
dialog::backdrop { background: #211c16a3; backdrop-filter: blur(5px); }
@keyframes dialog-enter { from { opacity: 0; transform: translateY(15px) scale(.98); } to { opacity: 1; transform: none; } }
.dialog-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.dialog-top .tiny-label { color: var(--accent); }
.icon-button { min-height: 34px; width: 34px; padding: 0; font-size: 20px; }
dialog h2 { margin-top: 10px; font: 770 clamp(24px, 5vw, 34px)/1.08 var(--display); letter-spacing: -.045em; }
dialog p, dialog li { color: var(--muted); font-size: 14px; }
dialog p { margin-top: 11px; }
dialog ol { padding-left: 22px; }
dialog ol li + li { margin-top: 6px; }
.dialog-actions { display: flex; flex-wrap: wrap; gap: 9px; align-items: center; margin-top: 17px; }
.desktop-history-toggle { display: flex; justify-content: space-between; align-items: center; gap: 14px; margin: 18px 0 11px; font-weight: 650; }
.desktop-history-toggle input { width: 18px; height: 18px; }
.request-text, .import-prompt-text { max-height: 42dvh; overflow: auto; white-space: pre-wrap; overflow-wrap: anywhere; padding: 13px; background: var(--field); border: 1px solid var(--line); border-radius: 9px; font: 13px/1.75 var(--mono); }
.scoring-table { margin-top: 14px; width: 100%; border-collapse: collapse; }
.scoring-table td { padding: 6px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.scoring-table td:last-child { text-align: right; font-family: var(--mono); }
.toast { position: fixed; z-index: 55; bottom: 24px; left: 50%; translate: -50% 0; max-width: calc(100vw - 24px); width: max-content; padding: 11px 15px; border-radius: 11px; color: var(--night-text); background: var(--night); border: 1px solid var(--night-line); box-shadow: 0 8px 26px #18130f33; font-size: 13px; animation: dialog-enter .23s var(--ease) both; pointer-events: none; }

@media (max-width: 650px) {
  .card-heading, .panel-header { padding: 13px 14px; }
  .disclosure > summary { padding-inline: 13px; }
  .disclosure-content { padding-inline: 13px; }
  dialog { width: 100%; max-width: none; max-height: 88dvh; margin: auto 0 0; border-radius: 20px 20px 0 0; padding: 17px 16px calc(18px + env(safe-area-inset-bottom)); }
  .toast { bottom: calc(82px + env(safe-area-inset-bottom)); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}