:root {
  --bg: #0c0f14;
  --panel: #141a22;
  --panel-2: #1b232e;
  --line: #26313f;
  --ink: #e6edf3;
  --muted: #8ba0b4;
  --accent: #ff4d4f;          /* theme accent (red) */
  --accent-rgb: 255, 77, 79;  /* same, for rgba() tints */
  --on-accent: #2a0507;       /* text on the accent color */
  --accent-2: #ffb454;
  --danger: #ff6b6b;
  --ok: #35d0a5;              /* semantic "correct" — stays green regardless of theme */
  --amber: #ffcf6b;
  --radius: 12px;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: radial-gradient(1200px 600px at 70% -10%, #16202b, var(--bg));
  color: var(--ink);
  line-height: 1.5;
}

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px; border-bottom: 1px solid var(--line);
  background: rgba(12, 15, 20, 0.7); backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 14px; }
.logo {
  display: flex; flex-direction: column; gap: 3px;
  font-family: var(--mono); color: var(--accent);
  font-size: 11px; line-height: 1; letter-spacing: 2px;
}
.logo span { white-space: nowrap; }
.brand-text { display: flex; flex-direction: column; gap: 2px; }
.brand-text .wordmark { font-size: 20px; font-weight: 700; margin: 0; letter-spacing: 0.3px; color: var(--ink); text-decoration: none; }
.brand-text .wordmark:hover { color: var(--accent); }
.tag { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 1.5px; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.mystation { display: flex; align-items: center; gap: 8px; }

/* Accent-color dropdown (top-right) */
.accent-btn { width: auto; gap: 8px; padding: 8px 10px; }
.swatch-dot {
  width: 14px; height: 14px; border-radius: 50%; flex: none;
  border: 1px solid rgba(255, 255, 255, 0.18);
}
.accent-menu { position: fixed; top: 58px; right: 16px; left: auto; min-width: 170px; }
.accent-menu .picker-opt { flex-direction: row; align-items: center; gap: 10px; }
.mystation label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 1px; }
.mystation input {
  background: var(--panel-2); border: 1px solid var(--line); color: var(--ink);
  font-family: var(--mono); font-size: 15px; text-transform: uppercase;
  padding: 6px 10px; border-radius: 8px; width: 110px; text-align: center;
}

main { max-width: 900px; margin: 22px auto; padding: 0 18px; display: grid; gap: 20px; }

.panel {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}
.panel h2 { margin: 0 0 16px; font-size: 16px; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); }
.hidden { display: none !important; }

.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 20px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 13px; color: var(--muted); }
.field label b { color: var(--ink); }
select, textarea, input[type="text"] {
  background: var(--panel-2); border: 1px solid var(--line); color: var(--ink);
  border-radius: 8px; padding: 9px 11px; font-size: 14px; font-family: inherit;
}
select { appearance: none; }
.hint { color: var(--muted); font-size: 12px; margin: 2px 0 0; }

/* Custom dropdown (personality picker) */
.picker { position: relative; }
.picker-btn {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 8px;
  background: var(--panel-2); border: 1px solid var(--line); color: var(--ink);
  border-radius: 8px; padding: 9px 11px; font-size: 14px; font-family: inherit;
  cursor: pointer; text-align: left;
}
.picker-btn:hover { border-color: var(--muted); }
.picker-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.picker-caret { color: var(--muted); font-size: 11px; flex: none; }
.picker-menu {
  position: absolute; z-index: 30; top: calc(100% + 6px); left: 0; right: 0;
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px;
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.5);
  max-height: 340px; overflow-y: auto; padding: 6px;
}
.picker-opt {
  display: flex; flex-direction: column; gap: 2px;
  padding: 8px 10px; border-radius: 8px; cursor: pointer;
  border: 1px solid transparent;
}
.picker-opt:hover, .picker-opt.hi { background: var(--panel); }
.picker-opt.sel { border-color: var(--accent); background: rgba(var(--accent-rgb), 0.08); }
.opt-name { font-size: 14px; color: var(--ink); }
.opt-desc { font-size: 12px; color: var(--muted); line-height: 1.35; }
.picker-opt.sel .opt-name { color: var(--accent); font-weight: 600; }

input[type="range"] { accent-color: var(--accent); }

.segmented { display: inline-flex; background: var(--panel-2); border: 1px solid var(--line); border-radius: 9px; overflow: hidden; width: fit-content; }
.segmented button {
  background: transparent; border: 0; color: var(--muted);
  padding: 8px 14px; font-size: 13px; cursor: pointer;
}
.segmented button.on { background: var(--accent); color: var(--on-accent); font-weight: 600; }

.inputmode { display: flex; flex-wrap: wrap; gap: 20px; margin: 18px 0 8px; padding-top: 16px; border-top: 1px solid var(--line); }
.row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.kbd-hint { color: var(--muted); font-size: 13px; }
kbd {
  background: var(--panel-2); border: 1px solid var(--line); border-bottom-width: 2px;
  border-radius: 5px; padding: 1px 7px; font-family: var(--mono); font-size: 13px; color: var(--ink);
}

button.primary {
  background: var(--accent); color: var(--on-accent); border: 0; font-weight: 600;
  padding: 10px 18px; border-radius: 9px; cursor: pointer; font-size: 14px;
}
button.primary:hover { filter: brightness(1.07); }
button.big { width: 100%; padding: 14px; font-size: 15px; margin-top: 18px; }
button.ghost {
  background: var(--panel-2); border: 1px solid var(--line); color: var(--ink);
  padding: 9px 14px; border-radius: 9px; cursor: pointer; font-size: 13px;
}
button.ghost:hover { border-color: var(--muted); }
button.ghost.small { padding: 4px 10px; font-size: 12px; }
button.right { margin-left: auto; }

/* ---------- QSO ---------- */
.qso-head { display: flex; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.op-call { font-family: var(--mono); font-size: 30px; font-weight: 700; letter-spacing: 1px; }
.op-kind { color: var(--accent-2); font-size: 14px; }
.op-blurb { color: var(--muted); font-size: 13px; max-width: 44ch; margin-top: 2px; }
.rx { text-align: right; display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
.rx-light { width: 16px; height: 16px; border-radius: 50%; background: #2a3543; box-shadow: inset 0 0 4px #000; }
.rx-light.on { background: var(--accent-2); box-shadow: 0 0 14px var(--accent-2); }
.rx-state { font-size: 12px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--muted); }
.phase { font-family: var(--mono); font-size: 12px; color: var(--accent); }

.log {
  background: #0a0e13; border: 1px solid var(--line); border-radius: 10px;
  padding: 14px; min-height: 180px; max-height: 320px; overflow-y: auto;
  font-family: var(--mono); font-size: 14px; display: flex; flex-direction: column; gap: 8px;
}
.log .entry { display: flex; gap: 10px; }
.log .who { flex: none; width: 74px; color: var(--muted); font-size: 12px; padding-top: 2px; }
.log .me .text { color: var(--accent); }
.log .them .text { color: var(--ink); }
.log .sys .text { color: var(--amber); font-style: italic; }
.log .them.hidden-text .text { color: #4a5a6b; letter-spacing: 2px; }

.compose { margin-top: 16px; }
.keypad {
  background: #0a0e13; border: 1px dashed var(--accent); border-radius: 10px;
  padding: 22px; text-align: center; margin-bottom: 10px; outline: none; cursor: text;
}
.keypad:focus { border-style: solid; box-shadow: 0 0 0 2px rgba(var(--accent-rgb), 0.2); }
.keypad.active { border-color: var(--accent-2); box-shadow: 0 0 18px rgba(255, 180, 84, 0.25); }
.keypad-hint { color: var(--muted); font-size: 13px; }
#composeText { width: 100%; resize: vertical; font-family: var(--mono); text-transform: uppercase; }
.compose-actions { display: flex; align-items: center; gap: 10px; margin-top: 10px; flex-wrap: wrap; }
.cheat { color: var(--muted); font-size: 12px; display: flex; align-items: center; gap: 5px; }

/* ---------- Score ---------- */
.score-top { display: flex; align-items: center; gap: 20px; margin-bottom: 18px; }
.grade {
  width: 72px; height: 72px; border-radius: 50%; display: grid; place-items: center;
  font-size: 34px; font-weight: 800; background: var(--panel-2); border: 2px solid var(--accent);
  color: var(--accent);
}
.overall { font-size: 40px; font-weight: 700; font-family: var(--mono); }
.overall small { font-size: 18px; color: var(--muted); }
.bars { display: grid; gap: 10px; margin-bottom: 16px; }
.bar { display: grid; grid-template-columns: 80px 1fr 44px; align-items: center; gap: 12px; }
.bar label { color: var(--muted); font-size: 13px; }
.bar .track { background: var(--panel-2); border-radius: 6px; height: 12px; overflow: hidden; }
.bar .track > div { height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); width: 0; transition: width 0.6s; }
.bar b { font-family: var(--mono); text-align: right; }
.bar.na { opacity: 0.45; }
.bar.na .track > div { background: var(--muted); }
.quiz-actions { display: flex; align-items: center; gap: 12px; margin-top: 18px; flex-wrap: wrap; }
.quiz-actions .primary { padding: 12px 20px; }
.notes { margin: 4px 0 18px; padding-left: 20px; color: var(--ink); }
.notes li { margin: 4px 0; }
.truth { width: 100%; border-collapse: collapse; margin-bottom: 18px; font-family: var(--mono); font-size: 14px; }
.truth td { border-top: 1px solid var(--line); padding: 7px 6px; }
.truth td:first-child { color: var(--muted); text-transform: uppercase; font-size: 12px; width: 100px; }
.truth tr.thead td { color: var(--muted); text-transform: uppercase; font-size: 11px; letter-spacing: 1px; border-top: 0; }
.truth tr.ok td:last-child { color: var(--ok); }
.truth tr.bad td:last-child { color: var(--danger); }
.truth tr.info td:last-child { color: var(--muted); }
.truth td.muted { color: #4a5a6b; }
#quiz input[type="text"] { font-family: var(--mono); text-transform: uppercase; font-size: 15px; }

/* ---------- History ---------- */
.history-head { display: flex; justify-content: space-between; align-items: center; }
.history-head h2 { margin: 0; }
.hist { width: 100%; border-collapse: collapse; font-size: 13px; margin-top: 12px; }
.hist td { border-top: 1px solid var(--line); padding: 8px 6px; }
.hist .g { font-weight: 700; font-family: var(--mono); }
.hist .call { font-family: var(--mono); }

/* ---------- Mode nav ---------- */
.modenav { display: flex; gap: 6px; }
.modenav a {
  background: var(--panel-2); border: 1px solid var(--line); color: var(--muted);
  padding: 7px 14px; border-radius: 9px; cursor: pointer; font-size: 13px;
  text-decoration: none; display: inline-block;
}
.modenav a:hover { border-color: var(--muted); }
.modenav a.on { background: var(--accent); color: var(--on-accent); font-weight: 600; border-color: var(--accent); }
.segmented button:disabled { opacity: 0.4; cursor: not-allowed; }

/* ---------- Head Copy ---------- */
.hc-controls { display: flex; align-items: center; gap: 10px; margin: 8px 0 14px; flex-wrap: wrap; }
#hcGuess { width: 100%; resize: vertical; font-family: var(--mono); text-transform: uppercase; font-size: 15px; }
.hc-actions { display: flex; align-items: center; gap: 10px; margin-top: 10px; }
.hc-result { margin-top: 16px; padding: 14px; background: #0a0e13; border: 1px solid var(--line); border-radius: 10px; }
.hc-score { font-family: var(--mono); font-size: 18px; margin-bottom: 10px; }
.hc-score b { color: var(--accent); }
.hc-actual { font-family: var(--mono); font-size: 16px; line-height: 1.9; margin: 0 0 8px; }
.hcw { padding: 2px 6px; border-radius: 5px; }
.hcw.ok { color: var(--ok); background: rgba(53, 208, 165, 0.12); }
.hcw.bad { color: var(--danger); background: rgba(255, 107, 107, 0.12); text-decoration: line-through; }

/* ---------- CW Reader ---------- */
.library-teaser {
  background: #0a0e13; border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 16px; margin: 4px 0 16px;
}
.lib-head { display: flex; align-items: center; gap: 10px; }
.lib-head h3 { margin: 0; font-size: 15px; }
.badge {
  font-size: 11px; text-transform: uppercase; letter-spacing: 1px; font-weight: 600;
  color: var(--on-accent); background: var(--accent); padding: 2px 8px; border-radius: 999px;
}
.morse-teaser { display: flex; align-items: center; gap: 14px; margin-top: 6px; flex-wrap: wrap; }
.morse-glyphs {
  font-family: var(--mono); color: var(--accent); font-size: 18px; letter-spacing: 1px;
}
#readerText { width: 100%; resize: vertical; font-family: inherit; font-size: 14px; }
.reader-load { margin: 10px 0 16px; gap: 10px; }
.filebtn { cursor: pointer; }
.filebtn input { display: none; }
.reader-controls { display: flex; align-items: center; gap: 10px; margin: 16px 0; flex-wrap: wrap; }
.reader-body {
  background: #0a0e13; border: 1px solid var(--line); border-radius: 10px;
  padding: 14px; max-height: 360px; overflow-y: auto;
  display: flex; flex-direction: column; gap: 8px;
}
.reader-body .rpara {
  margin: 0; padding: 8px 10px; border-radius: 8px; cursor: pointer;
  color: var(--ink); line-height: 1.65; border: 1px solid transparent;
}
.reader-body .rpara:hover { background: var(--panel-2); }
.reader-body .rpara.on { background: rgba(var(--accent-rgb), 0.12); border-color: var(--accent); }
.reader-body.hidden-text .rpara { color: transparent; user-select: none; }
.reader-body.hidden-text .rpara.on { border-color: var(--accent-2); }
.hint.right { margin-left: auto; }

@media (max-width: 640px) {
  .grid { grid-template-columns: 1fr; }
  .qso-head { flex-direction: column; }
  .rx { align-items: flex-start; text-align: left; }
  .topbar { flex-wrap: wrap; gap: 8px; }
}

/* ---- Static SEO / info footer ---- */
.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 40px;
  padding: 40px 22px 56px;
  background: rgba(12, 15, 20, 0.5);
}
.foot-inner { max-width: 900px; margin: 0 auto; }
.foot-about h2 {
  font-size: 22px; margin: 0 0 10px; letter-spacing: 0.3px; color: var(--ink);
}
.foot-about p { color: var(--muted); margin: 0 0 8px; max-width: 70ch; }
.foot-about b, .foot-modes b { color: var(--ink); }
.foot-modes h3 {
  font-size: 13px; text-transform: uppercase; letter-spacing: 1px;
  color: var(--muted); margin: 28px 0 14px;
}
.foot-grid {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px;
}
.foot-grid li {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; color: var(--muted); font-size: 14px; line-height: 1.55;
}
.foot-grid code, .foot-note code {
  font-family: var(--mono); font-size: 12px; background: var(--panel-2);
  border: 1px solid var(--line); border-radius: 5px; padding: 1px 5px; color: var(--ink);
}
.foot-note {
  color: var(--muted); font-size: 13px; margin: 26px 0 0; max-width: 70ch;
}
.foot-de {
  display: inline-block; margin-left: 6px; font-family: var(--mono);
  color: var(--accent); letter-spacing: 0.5px;
}

/* ---- Per-page hero (unique H1 + intro for each route) ---- */
.page-hero { max-width: 1000px; margin: 22px auto 4px; padding: 0 22px; }
.page-hero h1 {
  font-size: 26px; margin: 0 0 6px; letter-spacing: 0.2px; color: var(--ink);
}
.page-hero .page-intro {
  color: var(--muted); font-size: 15px; margin: 0; max-width: 68ch; line-height: 1.5;
}