/* narrameter — styles.css
 * Portado de src/index.css del proyecto React. Se conserva la identidad visual
 * existente; las utilidades de Tailwind que usaba el JSX se han reescrito como
 * CSS propio, porque Tailwind era parte del build que aqui desaparece.
 */

:root {
  --bg: #0b1020;
  --card: #10172a;
  --border: #223255;
  --ink: #e6eaf2;
  --muted: #9fb0c7;
  --accent: #ffd041;
  --accent2: #5ee6ff;
  --r: 16px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-image:
    radial-gradient(at 15% -10%, #1b2550 0px, transparent 50%),
    radial-gradient(at 100% 0%, #133d4e 0px, transparent 50%),
    linear-gradient(180deg, #060913, var(--bg));
  background-repeat: no-repeat;
  background-attachment: fixed;
  min-height: 100vh;
  line-height: 1.5;
}

h1, h2, h3 { margin: 0 0 .25em; line-height: 1.2; }
p { margin: 0 0 .75em; }

.wrap { max-width: 1100px; margin: 0 auto; padding: 24px; }

/* ---------- cabecera ---------- */
header {
  display: flex;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.brand h1 { font-size: clamp(1.35rem, 1rem + 1.4vw, 2rem); font-weight: 800; }
.brand p  { color: var(--muted); max-width: 60ch; margin: 0; }

.lang { position: relative; display: flex; align-items: center; }

.lang select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-color: #0c1430;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 34px 8px 16px;
  color: var(--ink);
  font: inherit;
  cursor: pointer;
}

.lang::after {
  content: "";
  position: absolute;
  right: 14px;
  width: 8px; height: 8px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: translateY(-2px) rotate(45deg);
  pointer-events: none;
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- rejilla principal ---------- */
main { display: grid; grid-template-columns: 1.4fr 0.9fr; gap: 18px; align-items: start; }

@media (max-width: 980px) {
  main { grid-template-columns: 1fr; }
}

.card {
  background-color: #0f1730cc;
  border: 1px solid var(--border);
  border-radius: var(--r);
  box-shadow: 0 8px 32px #0000004d;
}

.head { padding: 14px 16px; border-bottom: 1px solid var(--border); }
.head h2 { color: var(--accent); font-weight: 700; font-size: 1.05rem; margin: 0; }
.body { padding: 14px 16px; }

/* ---------- controles ---------- */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.modes { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.rate-group { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.rate-group > span { font-size: .8rem; font-weight: 600; color: var(--muted); }

input[type="number"] {
  width: 92px;
  border: 1px solid var(--border);
  background-color: #0c1430;
  border-radius: 8px;
  padding: 10px 12px;
  text-align: right;
  color: var(--ink);
  font: inherit;
}

input[type="range"] { width: 200px; accent-color: var(--accent); }

.presets { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.presets > span { font-size: .8rem; color: var(--muted); align-self: center; margin-right: 4px; }

.chip {
  border: 1px solid var(--border);
  background-color: #0c1430;
  border-radius: 999px;
  padding: 8px 12px;
  font: inherit;
  font-size: .8rem;
  color: var(--ink);
  cursor: pointer;
  transition: .18s;
}

.chip:hover { border-color: var(--accent2); }

.chip[aria-pressed="true"] {
  background-image: linear-gradient(to right, var(--accent), #ff8a39);
  color: #1a1a1a;
  font-weight: 700;
  border-color: transparent;
}

.mode {
  border: 1px solid var(--border);
  background-color: #0c1430;
  border-radius: 999px;
  padding: 8px 16px;
  font: inherit;
  font-size: .9rem;
  color: var(--ink);
  cursor: pointer;
  transition: .18s;
}

.mode.active {
  background-image: linear-gradient(to right, var(--accent2), var(--accent));
  color: #101010;
  font-weight: 700;
  border-color: transparent;
}

textarea {
  width: 100%;
  min-height: 300px;
  border: 1px solid var(--border);
  background-color: #0c1430;
  padding: 14px;
  border-radius: 14px;
  color: var(--ink);
  font: inherit;
  resize: vertical;
}

.panel label { display: block; font-size: .85rem; color: var(--muted); margin-bottom: 6px; }
.panel input[type="number"] { width: 100%; text-align: left; }
.panel[data-panel="count"], .panel[data-panel="minutes"] { min-height: 300px; }

.actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; margin-top: 14px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border);
  background-color: #0c1430;
  border-radius: 999px;
  padding: 10px 14px;
  color: var(--ink);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: .18s;
}

.btn:hover { transform: translateY(-1px); box-shadow: 0 4px 12px #00000033; }

/* ---------- metricas ---------- */
.row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  border-bottom: 1px dashed #20304f;
  padding: 8px 0;
  font-size: .9rem;
}

.row:last-child { border-bottom: 0; }

.mono { font-family: 'Roboto Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }

.notice {
  margin-top: 12px;
  padding: 10px 12px;
  border: 1px solid var(--accent2);
  border-radius: 10px;
  background-color: #0d2733;
  font-size: .82rem;
  color: var(--ink);
}

.tip {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: .78rem;
  color: var(--muted);
}

.tip strong { color: var(--ink); }

/* ---------- contenido editorial ---------- */
.prose { margin-top: 28px; color: var(--muted); max-width: 75ch; }
.prose h2 { color: var(--ink); font-size: 1.4rem; margin-bottom: .5em; }
.prose p { line-height: 1.7; }

.faq { margin-top: 28px; color: var(--muted); }
.faq h2 { color: var(--ink); margin-bottom: 12px; font-size: 1.5rem; font-weight: 700; }
.faq details { border-bottom: 1px solid var(--border); padding: 12px 0; }
.faq details:last-of-type { border-bottom: none; }

.faq summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--ink);
  list-style: none;
  position: relative;
  padding-right: 2em;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  font-size: 1.2em;
}

.faq details[open] > summary::after { content: "\2212"; }
.faq-content { padding-top: 8px; }
.faq-content p { margin: 0; line-height: 1.6; }

footer {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .85rem;
  text-align: center;
}

/* Los paneles ocultos usan el atributo hidden; se refuerza porque display:flex
 * y display:grid ganan a la regla por defecto del navegador. */
[hidden] { display: none !important; }