/* Reset mínimo + variables */
*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg: #0c0f14;
  --surface: #141a24;
  --surface2: #1c2433;
  --text: #e8ecf4;
  --muted: #8b95a8;
  --accent: #6ee7b7;
  --accent-dim: #34d399;
  --glow: rgba(110, 231, 183, 0.15);
  --radius: 1.25rem;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, sans-serif;
  --font-display: Georgia, "Times New Roman", serif;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font-sans);
  font-size: clamp(1rem, 0.95rem + 0.2vw, 1.125rem);
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  position: relative;
  overflow-x: hidden;
}

.bg-pattern {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--glow), transparent),
    radial-gradient(circle at 100% 100%, rgba(52, 211, 153, 0.06), transparent 40%),
    linear-gradient(180deg, var(--bg) 0%, #0a0d12 100%);
  pointer-events: none;
  z-index: -1;
}

.header {
  text-align: center;
  padding: clamp(1.5rem, 4vw, 3rem) clamp(1rem, 4vw, 2rem) clamp(1rem, 3vw, 2rem);
  max-width: 52rem;
  margin-inline: auto;
}

.badge {
  display: inline-block;
  margin: 0 0 0.75rem;
  padding: 0.35rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(110, 231, 183, 0.1);
  border: 1px solid rgba(110, 231, 183, 0.25);
  border-radius: 999px;
}

.title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.subtitle {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  max-width: 36ch;
  margin-inline: auto;
}

.main {
  max-width: min(56rem, 100%);
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2rem) clamp(3rem, 8vw, 5rem);
}

/* Hero: idea + botón predominantes */
.hero {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: clamp(1.25rem, 3vw, 2rem);
}

.idea-label {
  margin: 0;
  font-size: clamp(0.8rem, 1.5vw, 0.95rem);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-align: center;
}

.idea-display {
  margin: 0;
  padding: clamp(1.5rem, 4vw, 2.5rem) clamp(1.25rem, 4vw, 2.5rem);
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-height: clamp(10rem, 28vw, 14rem);
  display: flex;
  align-items: center;
  justify-content: center;
}

.idea-text {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4.2vw, 2.35rem);
  font-weight: 400;
  font-style: italic;
  line-height: 1.35;
  text-align: center;
  color: var(--text);
  hyphens: auto;
  word-break: break-word;
}

/* Valoración ficticia (sobreestimada) */
.valuation {
  width: 100%;
  max-width: 36rem;
  margin-inline: auto;
  padding: clamp(1.25rem, 3vw, 1.75rem) clamp(1rem, 3vw, 1.5rem);
  background: linear-gradient(165deg, rgba(110, 231, 183, 0.08) 0%, rgba(28, 36, 51, 0.95) 45%);
  border: 1px solid rgba(110, 231, 183, 0.22);
  border-radius: var(--radius);
  text-align: center;
}

.valuation__kicker {
  margin: 0 0 0.35rem;
  font-size: clamp(0.65rem, 1.4vw, 0.75rem);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-dim);
}

.valuation__title {
  margin: 0 0 0.75rem;
  font-family: var(--font-sans);
  font-size: clamp(0.95rem, 2.2vw, 1.1rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
}

.valuation__amount {
  margin: 0 0 1rem;
  font-family: var(--font-sans);
  font-size: clamp(1.75rem, 5.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--accent);
  text-shadow: 0 0 40px var(--glow);
}

.valuation__metrics {
  margin: 0;
  padding: 0;
  list-style: none;
  text-align: left;
}

.valuation__metrics li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.35rem 1rem;
  padding: 0.5rem 0;
  font-size: clamp(0.85rem, 2vw, 0.95rem);
  color: var(--muted);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.valuation__metrics li:last-child {
  border-bottom: none;
}

.valuation__metrics strong {
  color: var(--text);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.valuation__fineprint {
  margin: 1rem 0 0;
  font-size: clamp(0.72rem, 1.6vw, 0.82rem);
  line-height: 1.45;
  color: var(--muted);
  font-style: italic;
}

.generate-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  width: 100%;
  max-width: 32rem;
  margin-inline: auto;
  padding: clamp(1.1rem, 3vw, 1.5rem) clamp(1.5rem, 4vw, 2.5rem);
  font-family: inherit;
  font-size: clamp(1.15rem, 3vw, 1.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #04120c;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dim) 100%);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.12) inset,
    0 12px 40px rgba(52, 211, 153, 0.35);
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease,
    filter 0.15s ease;
}

.generate-btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.15) inset,
    0 16px 48px rgba(52, 211, 153, 0.45);
}

.generate-btn:active {
  transform: translateY(0);
}

.generate-btn:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.generate-btn__hint {
  font-size: clamp(0.75rem, 2vw, 0.9rem);
  font-weight: 500;
  opacity: 0.75;
}

/* Historial */
.history {
  margin-top: clamp(3rem, 8vw, 5rem);
  padding-top: clamp(2rem, 5vw, 3rem);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.history__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.history h2 {
  margin: 0;
  font-size: clamp(1.15rem, 2.5vw, 1.35rem);
  font-weight: 600;
}

.history__meta {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.history-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: history;
}

.history-list li {
  counter-increment: history;
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.5rem 0.75rem;
  align-items: start;
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: clamp(0.9rem, 2vw, 1rem);
  color: var(--muted);
  line-height: 1.45;
}

.history-list li::before {
  content: counter(history) ".";
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-dim);
  opacity: 0.7;
}

.history-list li strong {
  color: var(--text);
  font-weight: 600;
}

.history-empty {
  margin: 0;
  padding: 1.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
  border: 1px dashed rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  display: none;
}

.history-empty.is-visible {
  display: block;
}

.goat-block {
  margin-top: clamp(2.5rem, 6vw, 3.5rem);
  padding-top: clamp(1.75rem, 4vw, 2.25rem);
  border-top: 1px solid rgba(110, 231, 183, 0.15);
}

.goat-block__title {
  margin: 0 0 1rem;
  font-size: clamp(1rem, 2.4vw, 1.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--accent);
}

.goat-block__list {
  margin: 0;
  padding: 0 0 0 1.15rem;
  list-style: disc;
  color: var(--muted);
  font-size: clamp(0.88rem, 2vw, 0.98rem);
  line-height: 1.55;
}

.goat-block__list li {
  padding: 0.35rem 0;
  border-bottom: none;
}

.goat-block__list li::marker {
  color: var(--accent-dim);
}

.footer {
  text-align: center;
  padding: 2rem 1rem 3rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.footer__credit {
  margin: 1rem 0 0;
}

.footer a {
  color: var(--accent-dim);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.footer a:hover {
  color: var(--accent);
}

@media (prefers-reduced-motion: reduce) {
  .generate-btn {
    transition: none;
  }

  .generate-btn:hover {
    transform: none;
  }
}