/* Piezas reutilizables: barra, botones, etiquetas, tarjetas, ficha. Sólo usa tokens. */

/* ── Barra de navegación ─────────────────────── */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition);
}
.nav.scrolled {
  background: var(--color-nav-scrolled);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--color-border);
}
.nav .wrap {
  height: var(--height-nav);
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.nav-links { display: none; list-style: none; margin: 0; padding: 0; gap: 26px; }
.nav-links a {
  color: var(--color-text-secondary); text-decoration: none; font-size: .9rem;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--color-text-primary); }

.logo { font-family: var(--font-mono); font-weight: 700; font-size: 1.2rem; text-decoration: none; }

.theme-toggle {
  width: 38px; height: 38px; display: grid; place-items: center; cursor: pointer;
  background: none; color: var(--color-text-secondary);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  transition: color var(--transition), border-color var(--transition);
}
.theme-toggle:hover { color: var(--color-primary); border-color: var(--color-primary); }
.theme-toggle svg { width: 17px; height: 17px; }
[data-theme="dark"] .icon-moon, [data-theme="light"] .icon-sun { display: none; }

@media (min-width: 720px) {
  .nav-links { display: flex; }
}

/* ── Botones ─────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 14px 24px; font-weight: 600; font-size: var(--text-base);
  text-decoration: none; cursor: pointer;
  border: 1px solid transparent; border-radius: var(--radius-md);
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), transform var(--transition);
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn-sm { padding: 11px 18px; font-size: .92rem; }

.btn-primary {
  background: var(--color-primary); color: var(--color-on-primary);
  box-shadow: var(--shadow-button);
}
.btn-primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); }

.btn-secondary {
  background: var(--color-surface); color: var(--color-text-primary);
  border-color: var(--color-border-strong);
}
.btn-secondary:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* ── Etiquetas ───────────────────────────────── */
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: .74rem; color: var(--color-primary);
  background: var(--color-primary-soft);
  border: 1px solid var(--color-primary-line); border-radius: var(--radius-pill);
  padding: 6px 12px;
}
.pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--color-primary); }

.tag {
  font-family: var(--font-mono); font-size: .74rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--color-primary);
}

/* ── Tarjetas ────────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: 26px; box-shadow: var(--shadow-card);
  transition: border-color .3s, box-shadow .3s, transform .3s;
}
.card:hover {
  border-color: var(--color-primary-line);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}
.card h3 { margin-bottom: 8px; }
.card p { color: var(--color-text-secondary); font-size: .95rem; }

.card-icon {
  width: 42px; height: 42px; display: grid; place-items: center; margin-bottom: 16px;
  color: var(--color-primary); background: var(--color-primary-soft);
  border: 1px solid var(--color-primary-line); border-radius: var(--radius-md);
}
.card-icon svg { width: 21px; height: 21px; }

/* ── Ficha de evidencia ──────────────────────── */
.ficha {
  width: 100%; max-width: 460px; justify-self: center; overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-raised);
}
.ficha-top {
  display: flex; align-items: center; gap: 8px; padding: 13px 16px;
  background: var(--color-surface-strong); border-bottom: 1px solid var(--color-border-strong);
  font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-text-secondary);
}
.ficha-top b { width: 9px; height: 9px; border-radius: 50%; background: var(--color-text-muted); opacity: .55; }
.ficha-top span { margin-left: auto; }
.ficha-body { padding: 20px; display: grid; gap: 16px; }
.ficha-campo small {
  display: block; margin-bottom: 5px;
  font-family: var(--font-mono); font-size: .68rem; letter-spacing: .09em;
  text-transform: uppercase; color: var(--color-text-muted);
}
.ficha-campo p { font-size: .95rem; }
.ficha-url { font-family: var(--font-mono); font-size: .84rem; color: var(--color-text-secondary); overflow-wrap: anywhere; }
.ficha-cita {
  margin: 0; padding: 12px 14px; font-size: .95rem;
  background: var(--color-primary-soft);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.ficha-resultado {
  display: inline-flex; align-items: center; padding: 6px 12px;
  font-size: var(--text-sm); font-weight: 600; color: var(--color-primary);
  border: 1px solid var(--color-primary-line); border-radius: var(--radius-pill);
}
.ficha-pie {
  display: flex; align-items: center; gap: 9px; padding: 13px 20px;
  border-top: 1px solid var(--color-border);
  font-size: .82rem; color: var(--color-success);
}
.ficha-pie svg { width: 16px; height: 16px; flex: none; }
.ficha-nota {
  margin-top: 12px; text-align: center;
  font-family: var(--font-mono); font-size: .68rem; color: var(--color-text-muted);
}

@media (min-width: 960px) {
  .ficha { justify-self: end; }
}