/* savienojums.lv — dark, minimal, measurement-tool aesthetic. */

:root {
  --bg: #0a0c10;
  --bg-raise: #12151c;
  --bg-raise-2: #171b24;
  --border: rgba(255, 255, 255, 0.07);
  --text: #e8eaf0;
  --muted: #8b93a7;
  --accent: #e5484d;
  --accent-soft: rgba(229, 72, 77, 0.14);
  --good: #46c98c;
  --radius: 16px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { color-scheme: dark; }

body {
  margin: 0;
  font-family: var(--font);
  background:
    radial-gradient(1200px 500px at 50% -10%, rgba(229, 72, 77, 0.07), transparent 60%),
    var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  padding-inline: clamp(16px, 4vw, 32px);
}

a { color: inherit; }

/* ---- header / footer ---- */

.site {
  border-bottom: 1px solid var(--border);
}

.site .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand span { color: var(--accent); }

.site nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 8px 12px;
  border-radius: 10px;
}

.site nav a:hover { color: var(--text); background: var(--bg-raise); }

footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding: 28px 0 36px;
  font-size: 0.92rem;
}

footer .muted { color: var(--muted); font-size: 0.88rem; }
footer a { color: var(--muted); }
footer a:hover { color: var(--text); }

/* ---- views ---- */

main { flex: 1; padding-block: clamp(32px, 7vh, 72px); }

.view { text-align: center; }

h1 {
  font-size: clamp(2.3rem, 7vw, 4.2rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 750;
  margin: 0 0 20px;
}

h1 em {
  font-style: normal;
  color: var(--accent);
}

.lead {
  max-width: 560px;
  margin: 0 auto 36px;
  color: var(--muted);
  font-size: 1.05rem;
}

.hint { color: var(--muted); font-size: 0.9rem; margin-top: 18px; }

.error, .warn {
  max-width: 560px;
  margin: 20px auto 0;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 0.95rem;
}

.error { background: var(--accent-soft); color: #f2a4a7; }
.warn { background: rgba(255, 196, 87, 0.1); color: #e8c37c; }

/* ---- buttons ---- */

.btn-primary {
  font: inherit;
  font-weight: 650;
  font-size: 1.1rem;
  color: #fff;
  background: var(--accent);
  border: 0;
  border-radius: 999px;
  padding: 16px 52px;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
  box-shadow: 0 8px 30px rgba(229, 72, 77, 0.25);
}

.btn-primary:hover:not(:disabled) {
  background: #ef5a5f;
  transform: translateY(-1px);
  box-shadow: 0 10px 36px rgba(229, 72, 77, 0.35);
}

.btn-primary:active:not(:disabled) { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.6; cursor: wait; }

.btn-secondary {
  font: inherit;
  font-weight: 550;
  color: var(--text);
  background: var(--bg-raise);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 12px 24px;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease;
}

.btn-secondary:hover { background: var(--bg-raise-2); border-color: rgba(255, 255, 255, 0.16); }

:is(button, a):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---- test view ---- */

.steps {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: clamp(12px, 4vw, 40px);
  padding: 0;
  margin: 0 0 44px;
  color: var(--muted);
  font-size: 0.92rem;
}

.steps li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.steps .dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.steps li.active { color: var(--text); }
.steps li.active .dot {
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.steps li.done { color: var(--text); }
.steps li.done .dot { background: var(--good); }

.live-label {
  font-size: 0.95rem;
  font-weight: 650;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.live-value {
  font-variant-numeric: tabular-nums;
  font-size: clamp(4.2rem, 16vw, 7.5rem);
  font-weight: 720;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-block: 6px;
}

.live-value .unit {
  font-size: 0.28em;
  font-weight: 600;
  letter-spacing: 0;
  color: var(--muted);
  margin-left: 10px;
}

.sub {
  color: var(--muted);
  font-size: 0.95rem;
  min-height: 1.5em;
  font-variant-numeric: tabular-nums;
}

.spark {
  width: min(640px, 100%);
  height: 120px;
  margin: 28px auto 0;
  display: block;
}

.loaded-chip {
  display: inline-block;
  margin-top: 20px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--bg-raise);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.92rem;
  font-variant-numeric: tabular-nums;
}

.loaded-chip b { color: var(--text); font-weight: 650; }

/* ---- results ---- */

.results-title {
  font-size: 1rem;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 24px;
}

.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}

.tiles.secondary { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.tile {
  background: var(--bg-raise);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 18px 18px;
}

.tile-label {
  font-size: 0.8rem;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.tile-value {
  font-variant-numeric: tabular-nums;
  font-size: clamp(2.4rem, 7vw, 3.6rem);
  font-weight: 720;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-block: 4px 2px;
}

.tile-value.small { font-size: clamp(1.5rem, 4vw, 2rem); }

.tile-unit {
  font-size: 0.85rem;
  color: var(--muted);
}

.details {
  margin-top: 28px;
  text-align: left;
  background: var(--bg-raise);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
}

.details h3 {
  margin: 0 0 12px;
  font-size: 0.85rem;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.details .row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}

.details .row:last-child { border-bottom: 0; }
.details .row span { color: var(--muted); }
.details .row b { font-weight: 600; font-variant-numeric: tabular-nums; text-align: right; }

.actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}

/* ---- methodology page ---- */

.article {
  text-align: left;
  max-width: 760px;
  margin: 0 auto;
}

.article h1 { margin-bottom: 12px; }
.article .lead { margin-bottom: 40px; text-align: left; }

.article h2 {
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  margin: 44px 0 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.article h3 { font-size: 1.05rem; margin: 28px 0 8px; }

.article p, .article li { color: #c3c8d4; }

.article code {
  background: var(--bg-raise);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 6px;
  font-size: 0.88em;
}

.article table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 0.93rem;
}

.article th, .article td {
  text-align: left;
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
}

.article th { color: var(--muted); font-weight: 600; }
.article td { font-variant-numeric: tabular-nums; }

.note {
  background: var(--bg-raise);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 12px;
  padding: 14px 18px;
  margin: 20px 0;
}

/* ---- misc ---- */

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}