/* Layout: the app's Today screen at web scale. Scoreboard numerals and label caps in
   Barlow Condensed, dark cards on a near-black ground, volt for progress, ember for cravings.
   Tokens match the app (Shared/Design/Tokens.swift) and design canvas direction A. Dark only,
   like the app. */
:root {
  color-scheme: dark;
  --ground: #0E0F0C;
  --surface: #191B17;
  --surface-low: #121410;
  --line: #2A2D27;
  --line-strong: #3A3E36;
  --text: #F2F3EE;
  --text-2: #C9CCC2;
  --text-3: #9EA394;
  --volt: #C8F25A;
  --volt-hover: #E2FF9A;
  --ember: #FF7A3D;

  --display: 'Barlow Condensed', 'Arial Narrow', 'Roboto Condensed', Impact, sans-serif;
  --body: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', system-ui, sans-serif;

  --r-btn: 16px;
  --r-tile: 18px;
  --r-card: 24px;
  --wrap: 1120px;
  --gutter: 20px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--text);
  font: 17px/1.55 var(--body);
}
img { max-width: 100%; height: auto; display: block; }
[hidden] { display: none !important; }
a { color: var(--volt); text-underline-offset: 3px; }
a:hover { color: var(--volt-hover); }
:focus-visible { outline: 2px solid var(--volt); outline-offset: 3px; border-radius: 6px; }
::selection { background: var(--volt); color: var(--ground); }

.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.skip { position: absolute; left: -999px; }
.skip:focus { left: var(--gutter); top: 8px; z-index: 50; background: var(--volt); color: var(--ground); padding: 8px 12px; border-radius: 8px; }

/* Type */
.label {
  font: 700 14px/1.2 var(--display);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
}
.display {
  margin: 0;
  font: 800 clamp(48px, 9vw, 104px)/0.9 var(--display);
  text-transform: uppercase;
  letter-spacing: 0.005em;
  text-wrap: balance;
}
h1, h2, h3 { text-wrap: balance; }
.h1 { margin: 0; font: 800 clamp(40px, 7vw, 72px)/0.92 var(--display); text-transform: uppercase; }
.h2 { margin: 0; font: 800 clamp(32px, 5vw, 48px)/0.95 var(--display); text-transform: uppercase; }
.h3 { margin: 0; font: 800 24px/1.05 var(--display); text-transform: uppercase; letter-spacing: 0.02em; }
.lede { margin: 0; font-size: clamp(18px, 2.2vw, 21px); line-height: 1.5; color: var(--text-2); max-width: 36em; }
.muted { color: var(--text-3); }
.num { font-family: var(--display); font-weight: 800; font-variant-numeric: tabular-nums; line-height: 0.9; }
.volt { color: var(--volt); }
.ember { color: var(--ember); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 56px; padding: 8px 24px;
  border: 0; border-radius: var(--r-btn);
  background: var(--volt); color: var(--ground);
  font: 800 20px/1.1 var(--display); letter-spacing: 0.08em; text-transform: uppercase; text-decoration: none; text-align: center;
  cursor: pointer;
  transition: background 0.15s, transform 0.15s;
}
.btn:hover { background: var(--volt-hover); color: var(--ground); }
.btn:active { transform: scale(0.98); }
.btn.secondary { background: var(--ground); color: var(--text); border: 1.5px solid var(--line-strong); }
.btn.secondary:hover { border-color: var(--text-3); color: var(--text); }
.btn.sos { background: var(--ember); color: var(--ground); }
.btn.sos:hover { background: #FF9563; }
.btn.small { min-height: 44px; padding: 6px 16px; font-size: 17px; border-radius: 12px; }
.btn[disabled] { opacity: 0.4; cursor: default; }

.soon {
  display: inline-flex; align-items: center; gap: 10px;
  min-height: 56px; padding: 8px 18px;
  border: 1.5px dashed var(--line-strong); border-radius: var(--r-btn);
  color: var(--text-2); font-size: 15px; line-height: 1.3;
}
.soon svg { flex-shrink: 0; }

/* Surfaces */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  padding: 22px;
}
.tile {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-tile);
  padding: 14px 16px;
  display: flex; flex-direction: column; gap: 4px;
  min-width: 0;
}
.tile .num { font-size: 40px; }
.tile .cap { font-size: 14px; color: var(--text-3); line-height: 1.35; }
.tile.hi { border-color: var(--volt); }
.tile.hi .num { color: var(--volt); }

/* Header */
.site-head {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20;
  background: color-mix(in srgb, var(--ground) 88%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.site-head .wrap { display: flex; align-items: center; gap: 20px; min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; }
.brand:hover { color: var(--text); }
.brand span { font: 800 22px/1 var(--display); letter-spacing: 0.1em; }
.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav a {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 12px;
  color: var(--text-2); text-decoration: none; font-size: 15px; font-weight: 600; border-radius: 10px;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); background: var(--surface); }
.nav .btn { margin-left: 8px; color: var(--ground); }
.menu { display: none; margin-left: auto; }
.menu summary {
  list-style: none; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 22px; border: 1px solid var(--line); background: var(--surface);
}
.menu summary::-webkit-details-marker { display: none; }
.menu[open] .menu-panel {
  position: absolute; left: 0; right: 0; top: 100%;
  background: var(--ground); border-bottom: 1px solid var(--line);
  padding: 8px var(--gutter) 20px;
  display: grid; gap: 2px;
}
.menu-panel a { display: flex; align-items: center; min-height: 48px; color: var(--text); text-decoration: none; font: 800 22px/1 var(--display); text-transform: uppercase; letter-spacing: 0.04em; }
@media (max-width: 860px) {
  .nav { display: none; }
  .menu { display: block; }
}

/* Footer */
.site-foot { border-top: 1px solid var(--line); margin-top: 96px; padding-block: 48px 40px; background: var(--surface-low); }
.foot-grid { display: grid; grid-template-columns: 1.4fr repeat(3, minmax(0, 1fr)); gap: 32px; }
.foot-grid h2 { margin: 0 0 10px; }
.foot-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.foot-grid a { color: var(--text-2); text-decoration: none; display: inline-flex; min-height: 36px; align-items: center; font-size: 15px; }
.foot-grid a:hover { color: var(--text); }
.fine { margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--line); display: grid; gap: 8px; font-size: 13.5px; color: var(--text-3); }
.fine p { margin: 0; max-width: 72em; }
@media (max-width: 760px) {
  .foot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .foot-grid > :first-child { grid-column: 1 / -1; }
}

/* Sections */
.section { padding-block: 72px 0; }
.section-head { display: grid; gap: 12px; margin-bottom: 28px; max-width: 760px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr; } .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .grid-2 { grid-template-columns: 1fr; } }

/* Article pages */
.page-head { padding-block: 56px 8px; display: grid; gap: 16px; }
.byline { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 14px; color: var(--text-3); }
.answer {
  background: var(--surface); border: 1px solid var(--line-strong); border-radius: var(--r-card);
  padding: 20px 22px; display: grid; gap: 8px; margin-block: 28px;
}
.answer p { margin: 0; color: var(--text); font-size: 18px; }
.article { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 56px; align-items: start; }
@media (max-width: 960px) { .article { grid-template-columns: 1fr; } .toc { display: none; } }
.prose { max-width: 68ch; min-width: 0; }
.prose > * + * { margin-top: 1em; }
.prose h2 { margin-top: 2.2em; font: 800 clamp(30px, 4vw, 40px)/0.98 var(--display); text-transform: uppercase; scroll-margin-top: 90px; }
.prose h3 { margin-top: 1.8em; font: 800 24px/1.1 var(--display); text-transform: uppercase; letter-spacing: 0.02em; }
.prose p, .prose li { color: var(--text-2); }
.prose strong { color: var(--text); }
.prose ul, .prose ol { padding-left: 1.25em; display: grid; gap: 0.45em; }
.prose li::marker { color: var(--volt); }
.toc { position: sticky; top: 96px; display: grid; gap: 10px; }
.toc ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; border-left: 1px solid var(--line); }
.toc a { display: block; padding: 6px 0 6px 14px; color: var(--text-3); text-decoration: none; font-size: 14.5px; line-height: 1.35; }
.toc a:hover { color: var(--text); }
.cta-card { display: grid; gap: 12px; }
.cta-card p { margin: 0; font-size: 15px; color: var(--text-2); }
.sources { font-size: 14.5px; }
.sources li { color: var(--text-3); }

/* Tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-tile); }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { font: 700 13px/1.2 var(--display); letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-3); background: var(--surface-low); }
tr:last-child td { border-bottom: 0; }
td.wrap-cell { white-space: normal; min-width: 14em; }

/* FAQ */
.faq { display: grid; gap: 10px; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-tile); }
.faq summary {
  list-style: none; cursor: pointer; padding: 16px 18px; min-height: 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font: 800 21px/1.15 var(--display); text-transform: uppercase; letter-spacing: 0.02em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 28px; color: var(--volt); flex-shrink: 0; }
.faq details[open] summary::after { content: "–"; }
.faq .a { padding: 0 18px 18px; color: var(--text-2); }
.faq .a p { margin: 0; }
.faq .a p + p { margin-top: 0.8em; }

/* Form controls */
.field { display: grid; gap: 8px; }
.field label, .field .label-text { font: 700 14px/1.2 var(--display); letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3); }
.input, select.input {
  min-height: 52px; width: 100%; padding: 10px 14px;
  background: var(--ground); color: var(--text);
  border: 1.5px solid var(--line-strong); border-radius: 14px;
  font: 600 18px/1.2 var(--body);
}
.input:focus { outline: none; border-color: var(--volt); }
.seg { display: flex; flex-wrap: wrap; gap: 6px; }
.seg button {
  min-height: 44px; min-width: 52px; padding: 0 14px;
  background: var(--surface); color: var(--text-2);
  border: 2px solid var(--line); border-radius: 22px;
  font: 600 15px/1 var(--body); cursor: pointer;
}
.seg button[aria-pressed="true"] { background: var(--volt); border-color: var(--volt); color: var(--ground); }
input[type="range"] { width: 100%; accent-color: var(--volt); min-height: 44px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}