/* Paleta si tipografia. Intunecat implicit, cu varianta deschisa pentru cine
   are sistemul asa. Fara fonturi externe si fara biblioteci: pagina trebuie
   sa se incarce si pe o conexiune proasta. */
:root {
  --bg: #0b0d10;
  --surface: #14181d;
  --surface-2: #1b2027;
  --border: #272d36;
  --text: #e6e9ee;
  --muted: #8b95a3;
  --accent: #58c4a0;
  --accent-warm: #e0a458;
  --pos: #58c4a0;
  --neg: #e5736b;
  --radius: 10px;
  --maxw: 74ch;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #fbfbfc;
    --surface: #ffffff;
    --surface-2: #f3f5f7;
    --border: #dde1e7;
    --text: #15181d;
    --muted: #5d6874;
    --accent: #147a5e;
    --accent-warm: #9a6210;
    --pos: #147a5e;
    --neg: #b3362e;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

code {
  font-family: ui-monospace, SFMono-Regular, "Cascadia Mono", Consolas, monospace;
  font-size: 0.9em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.1em 0.4em;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand-mark { color: var(--accent-warm); font-size: 1.15rem; }
.brand-accent { color: var(--accent); }

.badge {
  font-size: 0.78rem;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 11px;
  white-space: nowrap;
}

.badge[data-state="ok"] { color: var(--accent); border-color: var(--accent); }
.badge[data-state="error"] { color: var(--accent-warm); border-color: var(--accent-warm); }

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px 64px;
}

section { padding: 48px 0; border-bottom: 1px solid var(--border); }
section:last-of-type { border-bottom: 0; }

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

h1 {
  margin: 0 0 20px;
  font-size: clamp(2rem, 6vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-weight: 650;
}

h2 {
  margin: 0 0 20px;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
}

h3 { margin: 0 0 10px; font-size: 1.15rem; letter-spacing: -0.01em; }

.lede { margin: 0 0 16px; font-size: 1.1rem; color: var(--text); }
.sub { margin: 0; color: var(--muted); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.card p:last-child { margin-bottom: 0; color: var(--muted); font-size: 0.94rem; }
.card-primary { border-color: var(--accent); }

.card-tag {
  margin: 0 0 10px;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.card-primary .card-tag { color: var(--accent); }

.pipeline {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin: 0 0 24px;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.82rem;
  color: var(--muted);
  overflow-x: auto;
}

.pipeline-last { color: var(--accent-warm); }

.rule-list { margin: 0; padding-left: 20px; }
.rule-list li { margin-bottom: 14px; color: var(--muted); }
.rule-list li:last-child { margin-bottom: 0; }
.rule-list strong { color: var(--text); font-weight: 600; }

footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 28px 24px 40px;
}

.disclaimer,
.colophon {
  max-width: var(--maxw);
  margin: 0 auto;
  color: var(--muted);
  font-size: 0.86rem;
}

.disclaimer strong { color: var(--text); }
.colophon { margin-top: 16px; font-size: 0.78rem; }

/* ---------- Unealta Reverse ---------- */
.tool-intro { margin: 0 0 20px; color: var(--muted); }

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}
.panel[hidden], .notice[hidden], #results[hidden] { display: none; }

.field { margin-bottom: 16px; min-width: 0; }
.field label, .field .label { display: block; margin-bottom: 6px; font-size: 0.9rem; font-weight: 600; }
.optional { font-weight: 400; color: var(--muted); }
.hint { margin: 6px 0 0; font-size: 0.82rem; color: var(--muted); }
.privacy { margin-top: 14px; }

input[type="text"], input[type="file"], select, textarea {
  width: 100%;
  max-width: 100%;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 11px;
  font: inherit;
  font-size: 0.94rem;
}
textarea { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 0.82rem; }
input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.row { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 0 24px; }
.check { display: flex !important; align-items: flex-start; gap: 10px; font-weight: 600; cursor: pointer; }
.check input { margin-top: 5px; flex: none; }

.paste { margin-bottom: 16px; }
.paste summary { cursor: pointer; color: var(--muted); font-size: 0.9rem; margin-bottom: 8px; }

.actions { display: flex; flex-wrap: wrap; gap: 12px; }
button {
  font: inherit;
  font-size: 0.94rem;
  font-weight: 600;
  border-radius: 8px;
  padding: 10px 18px;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
}
button.primary { background: var(--accent); color: #07110d; border-color: var(--accent); }
button:disabled { opacity: 0.55; cursor: progress; }

.notice {
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-warm);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 16px;
}
.notice.error { border-left-color: var(--neg); }

.panel h3 { font-size: 1rem; margin-bottom: 8px; }
.panel p { margin: 0 0 12px; }

.mapping-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px 20px; margin: 14px 0; }
.mapping-grid label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 4px; }

.table-wrap { overflow-x: auto; margin: 12px 0; border: 1px solid var(--border); border-radius: 8px; }
table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
th, td { padding: 8px 12px; text-align: right; border-bottom: 1px solid var(--border); white-space: nowrap; }
th:first-child, td:first-child { text-align: left; white-space: normal; }
thead th { background: var(--surface-2); color: var(--muted); font-weight: 600; font-size: 0.78rem; letter-spacing: 0.04em; text-transform: uppercase; }
tbody tr:last-child td { border-bottom: 0; }
td.pos { color: var(--pos); }
td.neg { color: var(--neg); }
td.sub-note { color: var(--muted); font-size: 0.78rem; }
table.text-left td, table.text-left th { text-align: left; }

.error-list { margin: 0 0 12px; padding-left: 20px; font-size: 0.9rem; }
.error-list li { margin-bottom: 4px; }

.results-head { margin: 8px 0 12px; }
.summary-list { margin: 0 0 20px; padding-left: 20px; }
.summary-list li { margin-bottom: 8px; }

.chart { width: 100%; height: auto; display: block; }
.chart text { fill: var(--muted); font-size: 11px; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.chart .grid-line { stroke: var(--border); stroke-width: 1; }
.chart .line-real { stroke: var(--accent); fill: none; stroke-width: 2; }
.chart .line-mirror { stroke: var(--accent-warm); fill: none; stroke-width: 2; stroke-dasharray: 5 3; }
.legend { display: flex; gap: 18px; font-size: 0.85rem; color: var(--muted); margin: 8px 0 0; flex-wrap: wrap; }
.legend i { display: inline-block; width: 18px; height: 0; border-top: 2px solid var(--accent); vertical-align: middle; margin-right: 6px; }
.legend i.mirror { border-top: 2px dashed var(--accent-warm); }

.caveats { border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 18px 14px 36px; background: var(--surface-2); margin: 20px 0; }
.caveats li { margin-bottom: 8px; color: var(--muted); font-size: 0.9rem; }
.caveats li:last-child { margin-bottom: 0; }
.caveats-title { margin: 20px 0 -12px; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }

details.positions summary { cursor: pointer; color: var(--muted); font-size: 0.9rem; margin: 12px 0; }