/* ============================================================
   The Real-World Email Regex
   Honest brand: dark technical system (matches honestframework,
   honestcode, adamzacharywasserman.com).
   JetBrains Mono + Literata. Gold / green / red triad.
   ============================================================ */

:root {
  --mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  --serif: "Literata", Georgia, "Times New Roman", serif;
  --maxw: 900px;
  --wide: 1040px;
}

/* dark technical (default) */
[data-theme="dark"] {
  --bg: #0a0a0c;
  --bg-elev: #111116;
  --bg-input: #08080a;
  --fg: #c8c8d0;
  --fg-dim: #9a9aa8;
  --fg-bright: #e8e8f0;
  --border: #1e1e26;
  --border-warm: #2a2520;
  --accent: #2a9d8f;        /* green */
  --accent-2: #e9c46a;      /* gold */
  --warn: #f4a261;
  --bad: #e63946;           /* red */
  --info: #457b9d;
  --grp-mailbox: #457b9d;   /* info blue */
  --grp-at: #e9c46a;        /* gold */
  --grp-domain: #2a9d8f;    /* green */
  --accent-dim: #2a9d8f20;
  --gold-dim: #e9c46a18;
}

/* light institutional (matches openhonest.org / IBO) */
[data-theme="light"] {
  --bg: #fafafa;
  --bg-elev: #ffffff;
  --bg-input: #f4f4f5;
  --fg: #1a1a1c;
  --fg-dim: #52525b;
  --fg-bright: #1f2937;
  --border: #e4e4e7;
  --border-warm: #e7e2d9;
  --accent: #16a34a;
  --accent-2: #b7791f;
  --warn: #b9710a;
  --bad: #c92a2a;
  --info: #1d6fa5;
  --grp-mailbox: #1d6fa5;
  --grp-at: #b7791f;
  --grp-domain: #16a34a;
  --accent-dim: rgba(22,163,74,0.12);
  --gold-dim: rgba(183,121,31,0.10);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 70px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code, pre { font-family: var(--mono); }

h1, h2, h3, h4, .eyebrow, .topnav, .wordmark, .mode-btn, .speed-btn,
.chip, .bar-val, .pill, .verdict, .copy-btn, .field-label, .chunk-name,
.chunk-tag, table th, .codecard figcaption, .stat-big, .foot-brand,
.primary-btn, .verdict-tag, .prompt, .redact-count {
  font-family: var(--mono);
}

.skip-link {
  position: absolute; left: -999px;
  background: var(--accent); color: #04150b; padding: 8px 14px; border-radius: 6px; z-index: 100;
}
.skip-link:focus { left: 12px; top: 12px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap {
  display: flex; align-items: center; gap: 18px;
  height: 56px; max-width: var(--wide);
}
.wordmark {
  font-weight: 700; font-size: 17px; color: var(--accent); letter-spacing: .5px;
}
.cursor { color: var(--bad); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.topnav { display: flex; gap: 18px; margin-left: auto; font-size: 13.5px; }
.topnav a { color: var(--fg-dim); }
.topnav a:hover { color: var(--accent); text-decoration: none; }

.theme-toggle {
  background: none; border: 1px solid var(--border); color: var(--fg-dim);
  width: 34px; height: 34px; border-radius: 7px; cursor: pointer; font-size: 16px;
}
.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }

@media (max-width: 720px) { .topnav { display: none; } }

/* ---------- hero ---------- */
.hero { padding: 64px 24px 36px; }
.eyebrow {
  color: var(--accent); font-size: 12px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 2px; margin: 0 0 14px;
}
h1 {
  font-size: clamp(32px, 5.4vw, 52px); line-height: 1.08; margin: 0 0 18px;
  letter-spacing: -1px; color: var(--fg-bright); font-weight: 700;
}
.lede { font-size: 20px; color: var(--fg); max-width: 66ch; margin: 0 0 28px; }
.lede strong, .hero-claim strong { color: var(--fg-bright); }
.hero-claim { color: var(--fg-dim); max-width: 66ch; }

/* ---------- code cards ---------- */
.codecard {
  position: relative; margin: 0 0 18px;
  background: var(--bg-input); border: 1px solid var(--border); border-radius: 10px;
  overflow: hidden;
}
.codecard figcaption {
  font-size: 12px; color: var(--fg-dim);
  padding: 10px 14px; border-bottom: 1px solid var(--border); background: var(--bg-elev);
}
.codecard pre {
  margin: 0; padding: 16px; overflow-x: auto; font-size: 13px; line-height: 1.65;
  color: var(--accent);
}
.codecard.assembled pre { color: var(--fg-bright); }
.copy-btn {
  position: absolute; top: 8px; right: 8px; font-size: 11px;
  background: var(--bg-elev); color: var(--fg-dim);
  border: 1px solid var(--border); border-radius: 6px; padding: 5px 10px; cursor: pointer;
  text-transform: uppercase; letter-spacing: .5px;
}
.copy-btn:hover, .copy-btn.copied { color: var(--accent); border-color: var(--accent); }

/* ---------- sections ---------- */
.section { padding: 48px 24px; border-top: 1px solid var(--border); }
.section h2 { font-size: clamp(24px, 3.6vw, 32px); margin: 0 0 8px; letter-spacing: -.5px; color: var(--fg-bright); }
.section h3 { font-size: 19px; margin: 34px 0 10px; color: var(--fg-bright); }
.section-intro { color: var(--fg-dim); max-width: 70ch; margin: 0 0 24px; }
.fineprint { color: var(--fg-dim); font-size: 14px; margin-top: 12px; }
.fineprint code, p code, td code, li code {
  font-family: var(--mono); font-size: .85em; background: var(--bg-elev); padding: 1px 5px;
  border-radius: 4px; border: 1px solid var(--border); color: var(--accent-2);
}

/* ---------- speed toggle (Realistic / Ludicrous) ---------- */
.speed-toggle {
  display: inline-flex; border: 1px solid var(--border); border-radius: 999px;
  overflow: hidden; background: var(--bg-input);
}
.speed-btn {
  padding: 9px 20px; background: none; border: none; cursor: pointer;
  font-size: 13px; font-weight: 600; color: var(--fg-dim);
  text-transform: uppercase; letter-spacing: .5px;
}
.speed-btn:hover { color: var(--fg-bright); }
.speed-btn[data-speed="realistic"].is-active { background: var(--accent); color: #04150b; }
.speed-btn[data-speed="ludicrous"].is-active { background: var(--accent-2); color: #1a1405; }

/* ---------- tester ---------- */
.tester { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.mode-row { display: flex; align-items: center; gap: 14px; padding: 14px 16px; border-bottom: 1px solid var(--border); }
.mode-row .mode-label { font-family: var(--mono); font-size: 12px; color: var(--fg-dim); text-transform: uppercase; letter-spacing: 1px; }
.mode-row .mode-hint { margin-left: auto; font-family: var(--mono); font-size: 12px; color: var(--fg-dim); }

/* legacy mode buttons (kept for safety, unused) */
.mode-btn { background: none; border: none; cursor: pointer; font-size: 14px; color: var(--fg-dim); padding: 6px 10px; }
.mode-btn.is-active { color: var(--accent); }

.tester-input {
  display: flex; align-items: center; gap: 10px; padding: 18px 16px;
  background: var(--bg-input); border-bottom: 1px solid var(--border);
}
.tester-input .prompt { color: var(--accent); font-size: 18px; }
#email-input {
  flex: 1; background: none; border: none; outline: none;
  font-family: var(--mono); font-size: 17px; color: var(--fg-bright);
}

.tester-output { padding: 16px; }
.verdict { font-weight: 700; margin-bottom: 14px; font-size: 14px; }
.verdict.pass { color: var(--accent); }
.verdict.fail { color: var(--bad); }
.verdict.na { color: var(--warn); }

.highlight-wrap { background: var(--bg-input); border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; overflow-x: auto; }
.highlight { font-family: var(--mono); font-size: 16px; white-space: pre; min-height: 1.6em; }
.highlight .g-mailbox { color: var(--grp-mailbox); border-bottom: 2px solid var(--grp-mailbox); }
.highlight .g-at { color: var(--grp-at); border-bottom: 2px solid var(--grp-at); font-weight: 700; }
.highlight .g-domain { color: var(--grp-domain); border-bottom: 2px solid var(--grp-domain); }
.highlight .g-none { color: var(--fg-dim); }

.mode-note { font-size: 14px; color: var(--fg-dim); margin: 14px 0 0; font-family: var(--serif); }

.active-pattern { border-top: 1px solid var(--border); }
.active-pattern summary { cursor: pointer; padding: 12px 16px; font-family: var(--mono); font-size: 12px; color: var(--fg-dim); }
.active-pattern summary:hover { color: var(--accent); }
.active-pattern pre { margin: 0; padding: 0 16px 16px; overflow-x: auto; font-size: 12px; color: var(--accent-2); }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 15px; margin-top: 8px; }
table caption { text-align: left; color: var(--fg-dim); font-size: 13px; margin-bottom: 8px; font-family: var(--mono); }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--accent-2); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: 1px; }
tbody tr:hover { background: var(--bg-elev); }

/* ---------- key statistic ---------- */
.stat-callout {
  background: linear-gradient(180deg, var(--bg-elev), var(--bg));
  border: 1px solid var(--border); border-left: 3px solid var(--accent-2);
  border-radius: 10px; padding: 24px; margin: 8px 0 28px;
}
.stat-big { font-size: clamp(26px, 5vw, 40px); color: var(--accent-2); margin: 0 0 12px; letter-spacing: -1px; }
.stat-explain { margin: 0 0 10px; font-size: 18px; }
.stat-explain strong { color: var(--fg-bright); }
.stat-method { margin: 0; color: var(--fg-dim); font-size: 14px; }

/* ---------- charts ---------- */
.chart { margin: 18px 0; display: grid; gap: 10px; }
.bar-row { display: grid; grid-template-columns: minmax(120px, 1fr) 3fr auto; align-items: center; gap: 12px; }
.bar-label { font-size: 14px; color: var(--fg-dim); }
.bar { background: var(--bg-input); border: 1px solid var(--border); border-radius: 6px; height: 22px; overflow: hidden; }
.bar-fill { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.bar-val { font-size: 13px; color: var(--fg-bright); min-width: 56px; text-align: right; }
@media (max-width: 560px) {
  .bar-row { grid-template-columns: 1fr; gap: 4px; }
  .bar-val { text-align: left; }
}

/* ---------- decider ---------- */
.decider-choices { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
.chip {
  font-size: 14px; cursor: pointer; background: var(--bg-elev); color: var(--fg-dim);
  border: 1px solid var(--border); border-radius: 999px; padding: 8px 16px;
}
.chip:hover { color: var(--fg-bright); }
.chip.is-active { color: var(--accent); border-color: var(--accent); }
.decider-out { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 10px; padding: 20px; }
.decider-out h4 { margin: 0 0 8px; color: var(--accent); font-size: 16px; }
.decider-out p { margin: 0 0 10px; }
.decider-out .verdict-tag {
  display: inline-block; font-size: 11px; padding: 3px 10px; border-radius: 999px; margin-bottom: 12px;
  border: 1px solid var(--border); color: var(--fg-dim); text-transform: uppercase; letter-spacing: .5px;
}

/* ---------- redactor ---------- */
.field-label { display: block; font-size: 12px; color: var(--fg-dim); margin: 14px 0 6px; text-transform: uppercase; letter-spacing: 1px; }
textarea#redact-in {
  width: 100%; background: var(--bg-input); color: var(--fg-bright);
  border: 1px solid var(--border); border-radius: 8px; padding: 14px;
  font-family: var(--mono); font-size: 14px; line-height: 1.6; resize: vertical;
}
textarea#redact-in:focus { outline: none; border-color: var(--accent); }
.redactor-actions { display: flex; align-items: center; gap: 14px; margin: 14px 0; }
.redact-count { font-size: 13px; color: var(--fg-dim); }
.redact-out {
  background: var(--bg-input); border: 1px solid var(--border); border-radius: 8px;
  padding: 14px; min-height: 3em; white-space: pre-wrap; word-break: break-word;
  font-family: var(--mono); font-size: 14px; line-height: 1.6; color: var(--fg);
}
.redact-out mark { background: var(--accent-dim); color: var(--accent); border-radius: 3px; padding: 0 2px; }

.primary-btn {
  font-size: 13px; cursor: pointer; background: var(--accent); color: #04150b; font-weight: 700;
  border: none; border-radius: 8px; padding: 10px 20px; text-transform: uppercase; letter-spacing: .5px;
}
.primary-btn:hover { filter: brightness(1.1); }

/* ---------- cookbook ---------- */
.chunk-list { display: grid; gap: 10px; margin-bottom: 22px; }
.chunk { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.chunk-head { display: flex; align-items: center; gap: 12px; padding: 12px 14px; cursor: pointer; user-select: none; }
.chunk-head input { accent-color: var(--accent); width: 16px; height: 16px; }
.chunk-name { font-weight: 700; color: var(--fg-bright); }
.chunk-tag { font-size: 11px; color: var(--fg-dim); margin-left: auto; text-transform: uppercase; letter-spacing: .5px; }
.chunk-body { padding: 0 14px 14px 42px; }
.chunk-body pre { margin: 0 0 8px; overflow-x: auto; font-size: 12.5px; color: var(--accent-2); }
.chunk-body p { margin: 0; font-size: 14px; color: var(--fg-dim); }
.chunk.required .chunk-head input { opacity: .5; }

.section h4.sub { font-size: 15px; margin: 26px 0 8px; color: var(--accent-2); }

/* ---------- balanced-parens checker ---------- */
.paren-checker { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 12px; padding: 8px 16px 18px; margin-top: 18px; }
.paren-checker .tester-input { border: 1px solid var(--border); border-radius: 8px; margin-bottom: 14px; }
.highlight .p-d0 { color: var(--accent); font-weight: 700; }
.highlight .p-d1 { color: var(--grp-mailbox); font-weight: 700; }
.highlight .p-d2 { color: var(--accent-2); font-weight: 700; }
.highlight .p-d3 { color: #c98bff; font-weight: 700; }
.highlight .p-err { color: var(--bad); font-weight: 700; text-decoration: underline wavy; }

/* ---------- ludicrous speed ---------- */
.ludicrous-banner {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  background: linear-gradient(180deg, var(--gold-dim), transparent);
  border: 1px solid var(--border-warm); border-left: 3px solid var(--accent-2);
  border-radius: 10px; padding: 18px 20px; margin: 8px 0 24px;
}
.ludicrous-banner p { margin: 0; font-size: 15px; color: var(--fg); }
.ludicrous-banner .speed-toggle { margin-left: auto; }

/* ---------- tests ---------- */
.tests td:first-child { font-family: var(--mono); font-size: 13px; }
.pill { font-size: 11px; padding: 2px 9px; border-radius: 999px; border: 1px solid var(--border); }
.pill.yes { color: var(--accent); border-color: var(--accent); }
.pill.no { color: var(--bad); border-color: var(--bad); }
.tests .note { color: var(--fg-dim); font-size: 13px; font-family: var(--serif); }
.tests td.active-col { background: var(--accent-dim); }

/* ---------- faq ---------- */
.faq h3 { font-size: 18px; margin: 26px 0 6px; color: var(--fg-bright); }
.faq p { color: var(--fg-dim); max-width: 72ch; margin: 0; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 36px 24px 56px; margin-top: 24px; }
.foot-brand { font-weight: 700; font-size: 17px; margin: 0 0 10px; color: var(--accent); }
.site-footer p { color: var(--fg-dim); font-size: 14px; max-width: 70ch; margin: 0 0 8px; }

.ext::after { content: " \2197"; color: var(--fg-dim); }

/* ---------- plaid easter egg (Spaceballs) ---------- */
.plaid-hint { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 24px; }
.plaid-btn { position: relative; overflow: hidden; }
.plaid-btn:hover { filter: none; box-shadow: 0 0 0 2px var(--accent-2); }
.plaid-hint .fineprint { margin: 0; }

#plaid-overlay {
  position: fixed; inset: 0; z-index: 9999; pointer-events: none;
  opacity: 0; visibility: hidden;
}
#plaid-overlay.go { visibility: visible; animation: plaid-frame 2.8s ease forwards; }
@keyframes plaid-frame { 0% { opacity: 0; } 6% { opacity: 1; } 82% { opacity: 1; } 100% { opacity: 0; visibility: hidden; } }

/* warp speed lines that streak then blow past */
#plaid-overlay .warp {
  position: absolute; inset: 0; background: #04060a;
  background-image: repeating-linear-gradient(90deg,
    transparent 0 7px, rgba(240,237,230,.85) 7px 8px, transparent 8px 44px);
  transform: scaleX(.06); opacity: 0; transform-origin: center;
}
#plaid-overlay.go .warp { animation: warp 0.85s ease-out forwards; }
@keyframes warp {
  0% { opacity: 0; transform: scaleX(.04); }
  35% { opacity: .95; }
  100% { opacity: 0; transform: scaleX(4); }
}

/* the tartan itself, woven from the Honest triad */
#plaid-overlay .plaid {
  position: absolute; inset: 0; background-color: #0a0a0c; opacity: 0;
  background-image:
    repeating-linear-gradient(90deg, transparent 0 40px, rgba(42,157,143,.55) 40px 50px, transparent 50px 90px),
    repeating-linear-gradient(0deg,  transparent 0 40px, rgba(42,157,143,.55) 40px 50px, transparent 50px 90px),
    repeating-linear-gradient(90deg, transparent 0 64px, rgba(230,57,70,.45) 64px 70px, transparent 70px),
    repeating-linear-gradient(0deg,  transparent 0 64px, rgba(230,57,70,.45) 64px 70px, transparent 70px),
    repeating-linear-gradient(90deg, transparent 0 20px, rgba(233,196,106,.5) 20px 23px, transparent 23px),
    repeating-linear-gradient(0deg,  transparent 0 20px, rgba(233,196,106,.5) 20px 23px, transparent 23px);
}
#plaid-overlay.go .plaid { animation: plaid-in 2.8s ease forwards; }
@keyframes plaid-in {
  0%, 20% { opacity: 0; transform: scale(1.5); }
  34% { opacity: 1; transform: scale(1); }
  82% { opacity: 1; }
  100% { opacity: 0; }
}

.plaid-caption {
  position: absolute; top: 50%; left: 0; right: 0; transform: translateY(-50%);
  text-align: center; font-family: var(--mono); font-weight: 700;
  font-size: clamp(30px, 8vw, 84px); color: #f0ede6; letter-spacing: -1px;
  text-shadow: 0 2px 24px rgba(0,0,0,.7); opacity: 0; margin: 0;
}
.plaid-caption span { color: var(--accent-2); }
#plaid-overlay.go .plaid-caption { animation: plaid-cap 2.8s ease forwards; }
@keyframes plaid-cap {
  0%, 28% { opacity: 0; transform: translateY(-50%) scale(.8); }
  44% { opacity: 1; transform: translateY(-50%) scale(1); }
  82% { opacity: 1; }
  100% { opacity: 0; transform: translateY(-50%) scale(1.05); }
}

/* the tester wears its tartan while in plaid state */
body[data-speed="plaid"] .tester { border-color: var(--accent-2); box-shadow: 0 0 0 1px var(--accent-2); }
body[data-speed="plaid"] .verdict.na { color: var(--accent-2); }

@media (prefers-reduced-motion: reduce) {
  #plaid-overlay.go { animation-duration: 1.4s; }
  #plaid-overlay.go .warp { animation: none; opacity: 0; }
  #plaid-overlay.go .plaid { animation: none; opacity: .9; }
  #plaid-overlay.go .plaid-caption { animation: none; opacity: 1; }
}