/* Phosphor Terminal: green CRT, scanlines, glow, inverse-video selections.
   Always dark: a phosphor screen has no light mode. */
:root {
  --bg: #040704;
  --surface: #07100a;
  --surface-2: #0d1f12;
  --ink: #7dffa8;
  --ink-2: #3cae68;
  --line: #1d4d2f;
  --accent: #b8ffd0;
  --accent-ink: #040704;
  --accent-soft: #11301c;
  --jade: #7dffa8;
  --jade-soft: #11301c;
  --cold: #59d6ff;
  --hot: #ffb000;
  --glow: 0 0 2px rgba(125, 255, 168, .3);          /* small text: barely-there glow keeps it crisp */
  --glow-big: 0 0 6px rgba(125, 255, 168, .55);      /* large display type: full CRT glow */
  --font: 'IBM Plex Mono', ui-monospace, Menlo, monospace;   /* reading text */
  --display: VT323, ui-monospace, monospace;                 /* big pixel headings, buttons */
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; color: var(--ink);
  font: 15px/1.6 var(--font);
  background: radial-gradient(ellipse at center, #0a160d 0%, var(--bg) 75%) fixed var(--bg);
  text-shadow: var(--glow);
}
/* Scanlines and vignette over everything */
body::after {
  content: ''; position: fixed; inset: 0; pointer-events: none; z-index: 10;
  background:
    repeating-linear-gradient(0deg, rgba(0, 0, 0, .14) 0 1px, transparent 1px 3px),
    radial-gradient(ellipse at center, transparent 60%, rgba(0, 0, 0, .55) 100%);
}
label, .label, button, input, select { font-family: var(--font); }
h1, h2, h3, .brand, legend, .btn { font-family: var(--display); font-weight: 400; text-shadow: var(--glow-big); }
h1, h2, legend, .brand { text-transform: uppercase; letter-spacing: .02em; }
.eyebrow { text-transform: uppercase; }
a { color: var(--accent); }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }
[hidden] { display: none !important; }
::selection { background: var(--ink); color: var(--bg); text-shadow: none; }

/* Header */
.top { border-bottom: 2px solid var(--ink); }
.top .wrap { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding-top: 14px; padding-bottom: 12px; flex-wrap: wrap; }
.brand { margin: 0; font-size: 1.5rem; }
.brand::before { content: 'C:\\> '; color: var(--ink-2); }
.today { margin: 0; color: var(--ink-2); font-size: .8rem; }

/* Intro */
.intro { padding: 40px 0 8px; }
.intro h1 { font-size: clamp(2.3rem, 7vw, 3.4rem); line-height: 1.05; margin: 0 0 14px; color: var(--accent); }
.intro h1::after { content: '█'; margin-left: 6px; animation: blink 1s steps(1) infinite; }
.intro p { color: var(--ink-2); margin: 0; max-width: 60ch; }
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .intro h1::after { animation: none; } }

.h1-sub { display: block; font-size: .55em; color: var(--ink); margin-top: 6px; }
.intro h1:has(.h1-sub)::after { content: none; }
.h1-sub::after { content: '█'; margin-left: 6px; animation: blink 1s steps(1) infinite; }
@media (prefers-reduced-motion: reduce) { .h1-sub::after { animation: none; } }
.quick { margin-top: 4px !important; font-size: .85rem; color: var(--ink-2) !important; }

/* Progress */
.progress { display: flex; align-items: center; gap: 14px; margin: 28px 0 8px; color: var(--ink-2); font-size: .8rem; }
.progress span { white-space: nowrap; }
.progress i { flex: 1; height: 10px; background: var(--surface-2); position: relative; }
.progress b { position: absolute; inset: 0 auto 0 0; background: repeating-linear-gradient(90deg, var(--ink) 0 8px, transparent 8px 10px); transition: width .25s; }

/* Question panels: one open, answered ones folded into a summary line */
.panel { border-bottom: 1px dashed var(--line); }
.panel-head {
  all: unset; box-sizing: border-box; display: flex; align-items: baseline; gap: 12px; width: 100%;
  padding: 10px 0; cursor: pointer; font-family: var(--font); font-size: .85rem;
}
.panel-head:disabled { cursor: default; }
.panel-head .num { color: var(--ink-2); flex: none; }
.panel-head .title { flex: none; max-width: 55%; color: var(--ink-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.panel-head .sum { flex: 1; min-width: 0; text-align: right; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.panel.done .panel-head:hover { background: var(--surface-2); }
.panel.done .panel-head:hover .sum::after { content: ' [edit]'; color: var(--ink-2); }
.panel-head:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.panel.open { border-bottom-style: solid; border-color: var(--ink-2); padding-bottom: 8px; }
.panel.open .panel-head .title { max-width: none; white-space: normal; color: var(--accent); font-family: var(--display); text-shadow: var(--glow-big); font-size: 1.75rem; line-height: 1.1; text-transform: uppercase; }
.panel.open .panel-head .num { font-family: var(--display); font-size: 1.75rem; }
.panel-body { display: none; padding: 4px 0 8px; }
.panel.open .panel-body { display: block; }
.panel-nav { display: flex; justify-content: flex-end; margin-top: 18px; }

/* Fields */
.field { margin: 22px 0; }
.field.inline { display: flex; align-items: center; gap: 10px; margin: 10px 0 0; }
.field.inline label { color: var(--ink-2); margin: 0; }
.field.inline label::before { content: none; }
label, .label { display: block; margin-bottom: 6px; font-size: .95rem; color: var(--accent); }
label[for]::before, .label::before { content: '> '; color: var(--ink-2); }
.hint { margin: -2px 0 10px; color: var(--ink-2); font-size: .85rem; }
.q { margin: 26px 0; }
.q h3 { font-size: 1.4rem; margin: 0 0 10px; color: var(--accent); }
.q h3::before { content: '> '; color: var(--ink-2); }
.q .hint { margin-top: -6px; }

input[type=text], input[type=number], select {
  font-size: 1rem; color: var(--accent); background: transparent; caret-color: var(--ink);
  border: 0; border-bottom: 2px solid var(--ink); border-radius: 0; padding: 8px 4px; min-height: 44px;
}
select { border: 2px solid var(--line); background: var(--bg); }
input[type=number] { width: 120px; }
input::placeholder { color: var(--ink-2); opacity: .7; }
input:focus-visible, select:focus-visible, button:focus-visible, .opt:has(input:focus-visible) {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

.place-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: flex-start; }
.place-box { position: relative; flex: 1 1 240px; min-width: 0; }
.place-box input { width: 100%; }
.place-results {
  position: absolute; left: 0; right: 0; top: 100%; z-index: 20; margin: 2px 0 0; padding: 0; list-style: none;
  border: 2px solid var(--ink-2); background: var(--bg); box-shadow: 0 8px 24px rgba(0, 0, 0, .6);
}
.place-results li { padding: 9px 12px; cursor: pointer; font-size: .92rem; border-bottom: 1px dashed var(--line); }
.place-results li:last-child { border-bottom: 0; }
.place-results li:hover, .place-results li[aria-selected="true"] { background: var(--ink); color: var(--bg); text-shadow: none; }
.place-results small { color: inherit; opacity: .7; font-size: .85em; }
.place-status { margin: 8px 0 0; font-size: .85rem; color: var(--ink); min-height: 1.2em; }
.place-status.err { color: var(--hot); }

/* Options: inverse video when selected */
.choices { display: grid; gap: 8px; }
.choices.grid { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.opt {
  display: flex; gap: 10px; align-items: flex-start; padding: 6px 12px; cursor: pointer;
  border: 1px dashed var(--line); transition: background .1s;
}
.opt:hover { border-style: solid; border-color: var(--ink-2); }
.opt input { margin: 6px 0 0; accent-color: var(--ink); flex: none; }
.opt:has(input:checked) { background: var(--ink); color: var(--bg); border: 1px solid var(--ink); text-shadow: none; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips .opt { align-items: center; }
.chips .opt input { margin: 0; }

/* Buttons */
.btn {
  font-size: 1.2rem; text-transform: uppercase; cursor: pointer; min-height: 44px; padding: 6px 18px;
  background: transparent; color: var(--ink); border: 2px solid var(--ink); border-radius: 0; text-shadow: inherit;
}
.btn::before { content: '['; } .btn::after { content: ']'; }
.btn:hover, #next { background: var(--ink); color: var(--bg); text-shadow: none; }
.btn.ghost { border-color: var(--line); }
.btn.ghost:hover { background: var(--surface-2); color: var(--ink); }
.btn:disabled { opacity: .5; cursor: progress; }
.nav { display: flex; justify-content: space-between; gap: 12px; margin: 32px 0 48px; }
.nav #next { margin-left: auto; }

/* Results */
#results { padding: 32px 0 40px; }
.eyebrow { font-size: .75rem; color: var(--ink-2); letter-spacing: .14em; margin: 0 0 8px; }
.eyebrow::before { content: '## '; }
.card { border: 3px double var(--line); padding: 18px; margin: 0 0 16px; }
.card h2 { margin: 0 0 6px; font-size: 1.6rem; line-height: 1.1; }
.card h3 { margin: 0 0 8px; font-size: 1.35rem; line-height: 1.1; }
.card p { margin: 0 0 10px; }
.card p:last-child { margin-bottom: 0; }
.hero { border-color: var(--ink); }
.hero h2 { font-size: clamp(1.8rem, 5vw, 2.4rem); color: var(--accent); line-height: 1.05; }
.why { margin: 12px 0 0; padding: 0; list-style: none; display: grid; gap: 4px; font-size: .88rem; }
.why li { padding-left: 22px; position: relative; color: var(--ink-2); }
.why li::before { content: '+'; position: absolute; left: 0; top: 0; color: var(--ink); }
.why li.bad { color: var(--hot); text-shadow: 0 0 4px rgba(255, 176, 0, .5); }
.why li.bad::before { content: '!'; color: var(--hot); }
.alts { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); margin-bottom: 16px; }
.alts .card { margin: 0; }
.tea { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.prep { color: var(--cold); font-size: .82rem; }
.prep::before { content: '⏱ '; }
.constitution { border-top: 1px dashed var(--line); padding-top: 10px; margin-top: 12px !important; }
.constitution strong { color: var(--accent); font-weight: 400; }
.notice { border-color: var(--hot); color: var(--hot); text-shadow: 0 0 4px rgba(255, 176, 0, .45); }
.notice .eyebrow { color: var(--hot); }

.pattern-head { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 8px; }
.pill { font-size: .78rem; padding: 0 8px; border: 1px solid var(--ink); color: var(--ink); }
.pill.sec { border-color: var(--ink-2); color: var(--ink-2); }
.bars { display: grid; gap: 6px; margin-top: 14px; font-size: .82rem; }
.bar { display: grid; grid-template-columns: 190px 1fr; gap: 10px; align-items: center; }
.bar span { color: var(--ink-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bar i { display: block; height: 12px; background: var(--surface-2); position: relative; overflow: hidden; }
.bar i b { position: absolute; inset: 0 auto 0 0; background: repeating-linear-gradient(90deg, var(--ink) 0 8px, transparent 8px 10px); }
.bar.active span { color: var(--accent); }

.two { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.two .card { margin: 0; }
.lean dt { color: var(--accent); margin-top: 8px; }
.lean dt::before { content: '> '; color: var(--ink-2); }
.lean dd { margin: 2px 0 0; color: var(--ink-2); }

/* Meters: block segments, cold→hot and dry→moist */
.meter { margin: 14px 0 4px; }
.meter .scale { position: relative; height: 12px; --gaps: repeating-linear-gradient(90deg, transparent 0 8px, var(--bg) 8px 10px); }
.meter.temp .scale { background: var(--gaps), linear-gradient(90deg, var(--cold), var(--line) 50%, var(--hot)); }
.meter.moist .scale { background: var(--gaps), linear-gradient(90deg, var(--hot), var(--line) 50%, var(--cold)); }
.meter .dot { position: absolute; top: 50%; width: 12px; height: 20px; margin: -10px 0 0 -6px; background: var(--accent); box-shadow: 0 0 8px var(--accent); }
.meter .ends { display: flex; justify-content: space-between; font-size: .78rem; color: var(--ink-2); margin-top: 4px; }

.ctx { list-style: none; padding: 0; margin: 10px 0 0; display: grid; gap: 6px; font-size: .88rem; }
.ctx li { color: var(--ink-2); }
.ctx strong { color: var(--accent); font-weight: 400; }

/* Share */
.share .hint { margin: 10px 0; }
.share-main { display: inline-flex; align-items: center; gap: 10px; font-size: 1.4rem; padding: 8px 22px; }
.share-main::before, .share-main::after { content: none; }
.share-main span::before { content: '['; } .share-main span::after { content: ']'; }
.share-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(86px, 1fr)); gap: 8px; margin-top: 10px; }
.share-btn {
  all: unset; box-sizing: border-box; cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 10px 4px 8px; border: 1px dashed var(--line); color: var(--ink); font-family: var(--font); font-size: .75rem; text-align: center;
}
.share-btn svg { filter: drop-shadow(0 0 3px rgba(125, 255, 168, .5)); }
.share-btn:hover { border-style: solid; border-color: var(--ink); background: var(--surface-2); }
.share-btn:active { background: var(--ink); color: var(--bg); }
.share-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.share-status { min-height: 1.3em; margin: 10px 0 0; color: var(--accent); }
.share-row { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.share-link { all: unset; cursor: pointer; color: var(--ink-2); text-decoration: underline; text-underline-offset: 3px; font-size: .85rem; padding: 8px 0; }
.share-link:focus-visible { outline: 2px solid var(--accent); }
.share-more { margin-top: 12px; }
.share-more summary { cursor: pointer; color: var(--ink-2); font-size: .85rem; list-style: none; }
.share-more summary::-webkit-details-marker { display: none; }
.share-more summary::before { content: '+ '; }
.share-more[open] summary::before { content: '− '; }
.foot-share { margin-bottom: 14px; }
.foot-share summary { cursor: pointer; color: var(--ink); list-style: none; }
.foot-share summary::-webkit-details-marker { display: none; }
.foot-share summary::before { content: '> '; color: var(--ink-2); }
.foot-share[open] summary::before { content: 'v '; }
.foot-share .share { margin-top: 8px; }

.restart { margin-top: 8px; }
.foot { border-top: 2px dashed var(--line); padding-top: 16px; padding-bottom: 32px; color: var(--ink-2); font-size: .8rem; }

@media (max-width: 520px) {
  body { font-size: 14.5px; }
  .bar { grid-template-columns: 130px 1fr; }
  .card { padding: 14px; }
}