:root {
  color-scheme: dark;
  /* zložky farieb pre rgba(); svetlá téma nižšie prepíše len premenné */
  --veil-rgb: 255, 255, 255;
  --accent-rgb: 79, 209, 197;
  --amber-rgb: 240, 179, 84;
  --ok-rgb: 69, 208, 143;
  --bad-rgb: 244, 122, 122;
  --line-hover: #3c4959;
  --on-accent: #04211f;
  --ch-pending: #46525f;
  --bar-idle: #1f2832;
  --violet: #a78bfa;
  --bg: #0a0e13;
  --surface: #10151c;
  --surface-2: #151b24;
  --inset: #0c1117;
  --line: #212a35;
  --line-strong: #2e3947;
  --ink: #e4ebf2;
  --ink-soft: #9ba8b6;
  --ink-faint: #64717f;
  --accent: #4fd1c5;
  --accent-bright: #7ee6dc;
  --accent-tint: rgba(var(--accent-rgb), .10);
  --accent-line: rgba(var(--accent-rgb), .35);
  --amber: #f0b354;
  --amber-tint: rgba(var(--amber-rgb), .08);
  --ok: #45d08f;
  --ok-tint: rgba(var(--ok-rgb), .09);
  --bad: #f47a7a;
  --bad-tint: rgba(var(--bad-rgb), .09);
  --warn: #f0b354;
  --font-display: Bahnschrift, "Segoe UI Variable Display", "SF Pro Display", "Helvetica Neue", system-ui, sans-serif;
  --font-body: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", sans-serif;
  --font-num: ui-monospace, "Cascadia Mono", "SF Mono", Consolas, monospace;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}
/* Svetlá verzia: mení sa len paleta, rozloženie ostáva. Tému nastavuje theme.js na <html>
   (podľa systému, alebo podľa voľby prepínačom v hlavičke). */
:root[data-theme="light"] {
  color-scheme: light;
  --veil-rgb: 16, 28, 40;
  --accent-rgb: 13, 138, 129;
  --amber-rgb: 199, 127, 12;
  --ok-rgb: 26, 135, 84;
  --bad-rgb: 201, 52, 52;
  --bg: #f2f4f7;
  --surface: #ffffff;
  --surface-2: #f5f7fa;
  --inset: #fbfcfd;
  --line: #dfe4ea;
  --line-strong: #c6cfd9;
  --line-hover: #9eabb8;
  --ink: #101a24;
  --ink-soft: #4a5867;
  --ink-faint: #76838f;
  --accent: #0d8a81;
  --accent-bright: #0a746c;
  --on-accent: #ffffff;
  --amber: #c77f0c;
  --ok: #1a8754;
  --bad: #c93434;
  --warn: #a3660a;
  --violet: #6d4fc4;
  --ch-pending: #a9b4bf;
  --bar-idle: #e3e8ed;
}
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh;
  background:
    radial-gradient(900px 420px at 88% -140px, rgba(var(--accent-rgb), .11), transparent 70%),
    var(--bg);
}
/* jemná technická mriežka, ktorá sa smerom dole stráca */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(var(--veil-rgb), .028) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(var(--veil-rgb), .028) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, #000, transparent 75%);
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent 75%);
}
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
::selection { background: rgba(var(--accent-rgb), .28); }

/* ---------- Layout ---------- */
.container { width: min(1040px, calc(100% - 32px)); margin: 0 auto; padding: 24px 0 80px; }
.wide { width: min(1200px, calc(100% - 32px)); }

.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding-bottom: 18px; margin-bottom: 44px; border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 12px; font-family: var(--font-display); font-weight: 600; letter-spacing: .02em; }
.brand svg { width: 34px; height: 34px; flex: none; }
.brand svg .logo-bg { fill: var(--surface); stroke: var(--line-strong); }
.brand svg .logo-bar { fill: var(--accent); }
.brand svg .logo-bar-alt { fill: var(--amber); }
.brand small {
  display: block; font-family: var(--font-num); font-weight: 400; font-size: 11px;
  color: var(--ink-faint); letter-spacing: .06em; text-transform: uppercase; margin-top: 2px;
}

.hero { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 30px; }
h1, h2, h3 { font-family: var(--font-display); margin: 0; line-height: 1.1; font-weight: 600; }
h1 { font-size: clamp(32px, 5vw, 52px); letter-spacing: -.02em; max-width: 15ch; font-weight: 500; }
h1 .accent { color: var(--accent); }
h2 { font-size: 22px; letter-spacing: -.005em; }
h3 { font-size: 16px; }
p { color: var(--ink-soft); margin: 8px 0 0; max-width: 62ch; }
.lead { font-size: 16.5px; margin-top: 14px; }
.eyebrow {
  display: flex; align-items: center; gap: 10px; margin: 0 0 16px;
  font-family: var(--font-num); font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent);
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--accent); }

.topbar-actions { display: flex; align-items: center; gap: 10px; }
.icon-button {
  display: inline-grid; place-items: center; width: 34px; height: 34px; padding: 0; flex: none;
  border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--ink-soft);
  transition: color .15s, border-color .15s;
}
.icon-button:hover { color: var(--accent); border-color: var(--accent); }
.icon-button svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
/* ikona ukazuje, na čo sa prepne */
:root[data-theme="light"] .icon-sun, :root:not([data-theme="light"]) .icon-moon { display: none; }

.status-pill, .counter {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--line); background: var(--surface); border-radius: 6px;
  padding: 6px 12px; font-size: 12.5px; white-space: nowrap; font-family: var(--font-num); color: var(--ink-soft);
}
.status-pill::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-tint);
}
.counter { font-size: 14px; color: var(--accent); border-color: var(--accent-line); background: var(--accent-tint); }

.notice {
  display: flex; gap: 12px; align-items: flex-start;
  background: var(--amber-tint); border: 1px solid rgba(var(--amber-rgb), .18); border-left: 2px solid var(--amber);
  padding: 13px 16px; border-radius: 8px; margin-bottom: 26px; color: var(--ink-soft); font-size: 13.5px;
}
.notice strong { color: var(--amber); font-weight: 600; white-space: nowrap; }

/* ---------- Tabs ---------- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 20px; }
.tab {
  position: relative; border: 0; background: transparent; color: var(--ink-faint); padding: 10px 16px 12px;
  font-family: var(--font-num); font-size: 12.5px; letter-spacing: .1em; text-transform: uppercase;
  transition: color .15s;
}
.tab::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: -1px; height: 2px;
  background: var(--accent); transform: scaleX(0); transition: transform .2s cubic-bezier(.2, .8, .2, 1);
}
.tab:hover { color: var(--ink); }
.tab.active { color: var(--accent); }
.tab.active::after { transform: scaleX(1); }

/* ---------- Panels ---------- */
.panel {
  background: linear-gradient(180deg, rgba(var(--veil-rgb), .018), transparent 120px), var(--surface);
  border: 1px solid var(--line); border-radius: 14px; padding: 28px;
}
.panel + .panel { margin-top: 18px; }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: rise-in .22s ease-out; }
.panel-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 24px; }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 20px; }
.full { grid-column: 1 / -1; }
label { display: grid; gap: 7px; color: var(--ink-soft); font-size: 13px; font-weight: 500; }
input, select {
  width: 100%; border: 1px solid var(--line-strong); border-radius: 8px; padding: 11px 13px;
  background: var(--inset); color: var(--ink); outline: none; transition: border-color .15s, box-shadow .15s;
}
input::placeholder { color: var(--ink-faint); }
input:hover, select:hover { border-color: var(--line-hover); }
input:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-tint); }
/* prehliadač inak vyfarbí automaticky vyplnené polia nažlto */
input:-webkit-autofill {
  -webkit-text-fill-color: var(--ink); caret-color: var(--ink);
  box-shadow: 0 0 0 1000px var(--inset) inset; transition: background-color 9999s;
}
.form-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.switch-row { display: flex; align-items: center; gap: 8px; white-space: nowrap; font-size: 13.5px; }
.switch-row input, .checkbox-label input { width: auto; accent-color: var(--accent); }
.checkbox-label { display: flex; align-items: flex-start; gap: 10px; font-weight: 400; }
.checkbox-label input { margin-top: 3px; }
.consent-line { padding: 4px 0; }

.primary, .secondary, .button-link {
  border-radius: 8px; padding: 10px 20px; border: 1px solid transparent; font-weight: 600; font-size: 14.5px;
  transition: transform .1s, background .15s, border-color .15s, box-shadow .15s, color .15s;
}
.primary, .button-link { background: var(--accent); color: var(--on-accent); }
.primary:hover:not(:disabled), .button-link:hover { background: var(--accent-bright); box-shadow: 0 0 0 4px var(--accent-tint); }
.primary:active:not(:disabled) { transform: translateY(1px); }
.primary:disabled { opacity: .35; cursor: not-allowed; }
.secondary { background: transparent; border-color: var(--line-strong); color: var(--ink); }
.secondary:hover { border-color: var(--accent); color: var(--accent); }
.ghost { border: 0; background: transparent; color: var(--ink-soft); padding: 6px 10px; border-radius: 6px; font-size: 13.5px; font-weight: 600; transition: color .15s, background .15s; }
.ghost:hover { color: var(--accent); background: var(--accent-tint); }
.form-actions .ghost { margin-left: auto; }
.button-link { text-decoration: none; display: inline-flex; align-items: center; justify-content: center; }

/* ---------- Capture ---------- */
.capture-box { animation: rise-in .28s cubic-bezier(.2, .8, .2, 1); margin-top: 26px; padding: 22px; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--line); }
.capture-meta { display: flex; justify-content: space-between; align-items: center; gap: 12px; color: var(--ink-soft); font-size: 13.5px; margin-bottom: 14px; }
.capture-meta strong { color: var(--ink); font-family: var(--font-num); font-weight: 500; }
.muted { color: var(--ink-faint); }
/* Plocha na písanie: veta je predpísaná bledo, napísané znaky sa do nej vfarbujú */
.typing-area {
  position: relative; min-height: 96px; padding: 22px 24px; background: var(--inset);
  border: 1px solid var(--line-strong); border-radius: 10px; outline: none; cursor: text;
  font-family: var(--font-num); font-size: clamp(19px, 2.5vw, 24px); line-height: 1.75; letter-spacing: .01em;
  transition: border-color .2s, box-shadow .2s, background .3s;
}
.typing-area:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-tint), 0 0 28px -8px rgba(var(--accent-rgb), .35); }
.typing-text { position: relative; white-space: pre-wrap; overflow-wrap: break-word; transition: filter .2s, opacity .2s; }
.typing-area.swap .typing-text { animation: phrase-in .32s cubic-bezier(.2, .8, .2, 1); }
.typing-area .ch { color: var(--ch-pending); transition: color .12s; }
.typing-area .ch.ok { color: var(--ink); }
.typing-area .ch.bad { color: var(--bad); background: rgba(var(--bad-rgb), .16); border-radius: 3px; }

.caret {
  position: absolute; left: 0; top: 0; width: 2px; height: 1.75em; border-radius: 1px;
  background: var(--accent); box-shadow: 0 0 8px rgba(var(--accent-rgb), .7); opacity: 0; pointer-events: none;
  transition: transform .09s cubic-bezier(.3, .7, .3, 1);
}
.typing-area:focus .caret { opacity: 1; animation: caret-blink 1.1s steps(1) infinite; }
.typing-area.busy .caret, .typing-area.invalid .caret { opacity: 0; animation: none; }

/* mimo fokusu je veta rozmazaná a plocha vyzýva na klik */
.typing-area:not(:focus):not(.busy):not(.invalid) .typing-text { filter: blur(3px); opacity: .5; }
.typing-area:not(:focus):not(.busy):not(.invalid)::after {
  content: attr(data-placeholder); position: absolute; inset: 0; display: grid; place-items: center;
  font-family: var(--font-num); font-size: 12.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--accent);
}

.typing-area.complete { border-color: var(--ok); }
.typing-area.busy { background: var(--surface); }
.typing-area.busy .typing-text { opacity: .6; }
.typing-area.invalid { border-color: var(--bad); background: rgba(var(--bad-rgb), .05); animation: shake .3s; }
.typing-area.invalid .typing-text { opacity: .45; }

@keyframes shake { 25% { transform: translateX(-5px); } 75% { transform: translateX(5px); } }
@keyframes caret-blink { 50% { opacity: 0; } }
@keyframes phrase-in { from { opacity: 0; transform: translateY(6px); } }
@keyframes rise-in { from { opacity: 0; transform: translateY(10px); } }

.capture-status { min-height: 22px; margin: 14px 0 16px; font-size: 13.5px; color: var(--ink-faint); transition: color .2s; }
.capture-status.success { color: var(--ok); }
.capture-status.error { color: var(--bad); }
.capture-status.info { color: var(--accent); }

/* Rhythm strip: živý záznam dwell (jantárová) a DD (tyrkysová) pre každú klávesu */
.rhythm-wrap { margin-top: 16px; }
.rhythm-legend { display: flex; gap: 18px; font-size: 12px; color: var(--ink-soft); margin-bottom: 8px; align-items: center; }
.rhythm-legend i { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 6px; vertical-align: 0; }
.rhythm-legend .k-dwell { background: var(--amber); }
.rhythm-legend .k-dd { background: var(--accent); }
.rhythm-legend em { margin-left: auto; font-style: normal; font-family: var(--font-num); color: var(--accent); }
.rhythm {
  display: flex; align-items: flex-end; gap: 3px; height: 128px; padding: 10px 10px 0;
  background-color: var(--inset); border: 1px solid var(--line); border-radius: 10px;
  background-image: repeating-linear-gradient(to top, transparent 0 31px, rgba(var(--veil-rgb), .04) 31px 32px);
}
.rhythm .slot { flex: 1; min-width: 0; display: flex; align-items: flex-end; gap: 1px; height: 100%; padding-bottom: 8px; }
.rhythm .bar { flex: 1; border-radius: 2px 2px 0 0; min-height: 2px; height: 2px; background: var(--bar-idle); transition: height .12s ease-out; }
.rhythm .bar.dwell.on { background: var(--amber); }
.rhythm .bar.dd.on { background: var(--accent); }

/* Segmentovaný postup enrollmentu */
.segments { display: flex; gap: 4px; margin-bottom: 16px; }
.segments span { flex: 1; height: 4px; border-radius: 2px; background: var(--line-strong); transition: background .2s, box-shadow .2s; }
.segments span.done { background: var(--accent); }
.segments span.now { background: var(--amber); box-shadow: 0 0 8px rgba(var(--amber-rgb), .5); }

.message { min-height: 24px; margin-top: 16px; color: var(--ink-soft); font-size: 14px; }
.message.success { color: var(--ok); }
.message.error { color: var(--bad); }
.message.info { color: var(--accent); }

/* ---------- Result ---------- */
.result-card { animation: rise-in .28s cubic-bezier(.2, .8, .2, 1); margin-top: 26px; padding: 24px; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--line); border-left: 2px solid var(--ink-faint); }
.result-card.accepted { border-color: rgba(var(--ok-rgb), .28); border-left-color: var(--ok); background: var(--ok-tint); }
.result-card.rejected { border-color: rgba(var(--bad-rgb), .28); border-left-color: var(--bad); background: var(--bad-tint); }
.result-main { display: grid; gap: 4px; margin-bottom: 18px; }
.result-label { color: var(--ink-faint); font-family: var(--font-num); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; }
#resultText { font-family: var(--font-display); font-size: clamp(26px, 4vw, 36px); letter-spacing: .01em; font-weight: 500; }
.accepted #resultText { color: var(--ok); }
.rejected #resultText { color: var(--bad); }

.gauge { position: relative; height: 6px; border-radius: 3px; background: rgba(var(--veil-rgb), .08); margin: 10px 0 36px; }
.gauge-fill { height: 100%; border-radius: 3px; background: var(--ink-faint); width: 0; transition: width .6s cubic-bezier(.2, .8, .2, 1); }
.accepted .gauge-fill { background: var(--ok); box-shadow: 0 0 10px rgba(var(--ok-rgb), .5); }
.rejected .gauge-fill { background: var(--bad); box-shadow: 0 0 10px rgba(var(--bad-rgb), .45); }
.gauge-mark { position: absolute; top: -7px; bottom: -7px; left: 50%; width: 1px; background: var(--ink); }
.gauge-mark::after { content: "prah"; position: absolute; top: 100%; left: 50%; transform: translateX(-50%); font-family: var(--font-num); font-size: 11px; color: var(--ink-soft); margin-top: 4px; }

.result-metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-bottom: 16px; }
.result-metrics div, .stat { background: rgba(var(--veil-rgb), .025); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; display: grid; gap: 4px; }
.result-metrics span, .stat span { font-family: var(--font-num); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint); }
.result-metrics strong, .stat strong { font-family: var(--font-num); font-size: 17px; font-weight: 500; }

/* ---------- Admin ---------- */
.stats-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin: 0 0 18px; }
.stat { background: var(--surface); }
.chart { width: 100%; height: auto; display: block; }
.chart text { font-family: var(--font-num); font-size: 11px; fill: var(--ink-faint); }
.chart .grid { stroke: var(--line); }
.chart .grid-strong { stroke: var(--ink-soft); stroke-width: 1.5; }
.chart .zone-ok { fill: var(--ok); opacity: .07; }
.chart .dot { stroke: var(--surface); stroke-width: 2; }
/* farby radov v grafoch idú cez triedy, aby sa menili s témou */
.s0 { --c: var(--accent); }
.s1, .t-imitacia { --c: var(--amber); }
.s2, .t-impostor { --c: var(--bad); }
.s3, .t-genuine { --c: var(--ok); }
.s4 { --c: var(--violet); }
.s5, .t-other { --c: var(--ink-soft); }
.chart circle.series { fill: var(--c); }
.chart polyline.series { stroke: var(--c); fill: none; stroke-width: 2.5; }
.chart-legend i.series { background: var(--c); }
.chart-legend { display: flex; flex-wrap: wrap; gap: 18px; font-size: 12.5px; color: var(--ink-soft); margin-top: 10px; }
.chart-legend i { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }
.badge { display: inline-flex; align-items: center; border: 1px solid transparent; border-radius: 5px; padding: 2px 8px; font-family: var(--font-num); font-size: 11.5px; font-weight: 500; }
.badge.ok { background: var(--ok-tint); color: var(--ok); border-color: rgba(var(--ok-rgb), .25); }
.badge.bad { background: var(--bad-tint); color: var(--bad); border-color: rgba(var(--bad-rgb), .25); }
.badge.warn { background: var(--amber-tint); color: var(--warn); border-color: rgba(var(--amber-rgb), .25); }
.badge.neutral { background: rgba(var(--veil-rgb), .04); color: var(--ink-soft); border-color: var(--line); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td.num { font-family: var(--font-num); }
th { color: var(--ink-faint); font-family: var(--font-num); font-size: 11px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; background: var(--surface-2); position: sticky; top: 0; }
tbody tr { transition: background .12s; }
tbody tr:hover { background: rgba(var(--veil-rgb), .025); }
tbody tr:last-child td { border-bottom: 0; }

@media (max-width: 760px) {
  .hero, .panel-header { flex-direction: column; align-items: flex-start; }
  .form-grid, .result-metrics, .stats-grid { grid-template-columns: 1fr; }
  .panel { padding: 20px; }
  .topbar { margin-bottom: 30px; }
  .notice { flex-direction: column; gap: 4px; }
  .rhythm { height: 96px; gap: 2px; }
}
@media (max-width: 520px) {
  .brand small { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

[hidden] { display: none !important; }
.lg-genuine { background: var(--ok); }
.lg-impostor { background: var(--bad); }
.lg-imitacia { background: var(--amber); }


/* ---------- Mesačná obnova ---------- */
.refresh-card { margin-top: 22px; padding: 22px; border-radius: 12px; background: var(--accent-tint); border: 1px solid var(--accent-line); }
.refresh-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; flex-wrap: wrap; }
.refresh-head p { max-width: 58ch; margin-top: 6px; color: var(--ink-soft); }
.refresh-card .capture-box { background: var(--surface); }
.report { margin-top: 18px; padding: 18px; border-radius: 10px; background: var(--surface); border: 1px solid var(--line); }
.report-head { display: flex; align-items: center; gap: 12px; font-family: var(--font-display); font-size: 19px; margin-bottom: 4px; }
.report .result-metrics { margin: 14px 0 0; }
.trend { font-family: var(--font-num); font-size: 12.5px; }