/* ============================================================
   x4.cl — estilos propios (sin Materialize)
   Paleta tomada del logo: navy #16294E · azul #2C8FC9 · rojo #D3271A
   ============================================================ */

:root {
  --x4-navy: #16294E;
  --x4-navy-2: #1F3A66;
  --x4-blue: #2C8FC9;
  --x4-blue-light: #EAF4FB;
  --x4-red: #D3271A;
  --x4-red-dark: #A81E12;
  --x4-bg: #F5F7FA;
  --x4-card: #FFFFFF;
  --x4-text: #232B3B;
  --x4-text-muted: #6B7684;
  --x4-border: #E3E8EF;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(22, 41, 78, 0.08), 0 1px 2px rgba(22, 41, 78, 0.06);
  --shadow-md: 0 8px 24px rgba(22, 41, 78, 0.10);
  --font-display: 'Sora', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--x4-bg);
  color: var(--x4-text);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--x4-navy);
  margin: 0 0 .5em;
  font-weight: 700;
}

a { color: var(--x4-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible {
  outline: 3px solid var(--x4-blue);
  outline-offset: 2px;
}

img { max-width: 100%; display: block; }

.contenedor {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header ---------- */
.x4-header {
  background: var(--x4-navy);
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow);
}

.x4-header .contenedor {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.x4-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.x4-logo img { height: 42px; width: auto; border-radius: 8px; }

.x4-logo span {
  font-family: var(--font-display);
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: .01em;
}

.x4-nav-usuario {
  display: flex;
  align-items: center;
  gap: 10px;
}

.x4-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .92rem;
  cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease, background .15s ease;
  text-decoration: none;
}
.x4-btn:hover { text-decoration: none; }
.x4-btn:active { transform: translateY(1px); }

.x4-btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,.35);
  color: #fff;
}
.x4-btn-outline:hover { background: rgba(255,255,255,.1); }

.x4-btn-primary {
  background: var(--x4-blue);
  color: #fff;
}
.x4-btn-primary:hover { background: #2680b6; }

.x4-btn-ghost {
  background: transparent;
  color: var(--x4-navy);
  border-color: var(--x4-border);
}
.x4-btn-ghost:hover { background: var(--x4-blue-light); }

.x4-user-chip {
  color: #fff;
  font-size: .9rem;
  opacity: .9;
}

/* ---------- Mini Aplicaciones (van antes que Destacados) ---------- */
.x4-miniapps-wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  padding-top: 18px;
}

.x4-miniapp-btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--x4-navy);
  color: #fff;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .82rem;
  letter-spacing: .01em;
  box-shadow: var(--shadow);
  text-decoration: none;
  transition: transform .12s ease, background .15s ease;
}
.x4-miniapp-btn:hover {
  text-decoration: none;
  background: var(--x4-navy-2);
  transform: translateY(-1px);
}
.x4-miniapp-btn img {
  width: 22px;
  height: 22px;
  border-radius: 5px;
  object-fit: contain;
  background: #fff;
  padding: 2px;
}

/* ---------- Botón de emergencia (elemento señal del sitio) ---------- */
.x4-emergencia-wrap {
  display: flex;
  justify-content: center;
  padding: 28px 20px 10px;
}

.x4-btn-emergencia {
  width: 100%;
  max-width: 760px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: linear-gradient(180deg, var(--x4-red) 0%, var(--x4-red-dark) 100%);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.1rem, 3vw, 1.6rem);
  padding: 22px 24px;
  border-radius: 18px;
  box-shadow: 0 10px 28px rgba(211, 39, 26, .35);
  text-decoration: none;
  letter-spacing: .01em;
  animation: x4-pulse 2.6s ease-in-out infinite;
}
.x4-btn-emergencia:hover {
  text-decoration: none;
  box-shadow: 0 14px 34px rgba(211, 39, 26, .45);
}
.x4-btn-emergencia svg { width: 34px; height: 34px; flex-shrink: 0; }

@keyframes x4-pulse {
  0%, 100% { box-shadow: 0 10px 28px rgba(211, 39, 26, .35); }
  50% { box-shadow: 0 10px 34px rgba(211, 39, 26, .55); }
}
@media (prefers-reduced-motion: reduce) {
  .x4-btn-emergencia { animation: none; }
}

/* ---------- Buscador personal ---------- */
.x4-buscador-wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  padding: 22px 20px 6px;
}

.x4-buscador {
  flex: 1 1 320px;
  max-width: 480px;
  position: relative;
}

.x4-buscador input {
  width: 100%;
  padding: 13px 16px 13px 44px;
  border-radius: 999px;
  border: 1px solid var(--x4-border);
  background: var(--x4-card);
  font-size: 1rem;
  font-family: var(--font-body);
  color: var(--x4-text);
  box-shadow: var(--shadow);
}
.x4-buscador input:focus { outline: none; border-color: var(--x4-blue); box-shadow: 0 0 0 3px rgba(44,143,201,.18); }

.x4-buscador svg {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--x4-text-muted);
}

.x4-select-categoria {
  flex: 0 1 220px;
  padding: 13px 16px;
  border-radius: 999px;
  border: 1px solid var(--x4-border);
  background: var(--x4-card);
  font-size: .95rem;
  font-family: var(--font-body);
  color: var(--x4-text);
  box-shadow: var(--shadow);
  cursor: pointer;
}
.x4-select-categoria:focus {
  outline: none;
  border-color: var(--x4-blue);
  box-shadow: 0 0 0 3px rgba(44,143,201,.18);
}

/* ---------- Categorías / grilla de links ---------- */
.x4-categorias {
  padding: 30px 20px 60px;
}

.x4-categoria {
  background: var(--x4-card);
  border: 1px solid var(--x4-border);
  border-radius: var(--radius);
  padding: 18px 20px 20px;
  margin-bottom: 18px;
  box-shadow: var(--shadow);
}

[data-destacados="1"] {
  padding-top: 14px;
}

.x4-categoria h2 {
  font-size: 1.02rem;
  display: flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--x4-navy-2);
  border-bottom: 1px solid var(--x4-border);
  padding-bottom: 10px;
}

.x4-links-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px 28px;
  margin-top: 16px;
}

.x4-link-item {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--x4-text);
}
.x4-link-item:hover { text-decoration: none; }

.x4-link-item img {
  height: 46px;
  width: auto;
  max-width: 190px;
  object-fit: contain;
  transition: transform .12s ease;
}
.x4-link-item:hover img { transform: scale(1.04); }

.x4-link-item span { display: none; } /* el texto solo se usa para el buscador; se ve en la burbuja */

.x4-link-chip.x4-oculto { display: none; }

/* Botón "?" — abre la burbuja con la descripción */
.x4-info-btn {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1.5px solid var(--x4-blue);
  background: #fff;
  color: var(--x4-blue);
  font-size: .72rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.x4-info-btn:hover, .x4-info-btn[aria-expanded="true"] {
  background: var(--x4-blue);
  color: #fff;
}

.x4-link-chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.x4-tooltip {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--x4-navy);
  color: #fff;
  font-size: .82rem;
  line-height: 1.4;
  padding: 9px 13px;
  border-radius: var(--radius-sm);
  white-space: normal;
  width: max-content;
  max-width: 220px;
  box-shadow: var(--shadow-md);
  z-index: 20;
}
.x4-tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--x4-navy);
}
.x4-tooltip[hidden] { display: none; }

/* Destacados de portada: logo aún más grande */
.x4-grid-destacados .x4-link-item img {
  height: 62px;
  max-width: 220px;
}

/* Links sin logo propio: solo el texto, en botón sutil */
.x4-link-item.x4-sin-logo {
  padding: 10px 16px;
  background: var(--x4-blue-light);
  border-radius: var(--radius-sm);
}
.x4-link-item.x4-sin-logo span {
  display: block;
  font-weight: 600;
  font-size: .88rem;
}

.x4-sin-resultados {
  text-align: center;
  color: var(--x4-text-muted);
  padding: 40px 20px;
  display: none;
}

/* ---------- Formularios (login / registro / admin) ---------- */
.x4-form-wrap {
  max-width: 420px;
  margin: 60px auto;
  background: var(--x4-card);
  border: 1px solid var(--x4-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 34px 30px;
}

.x4-form-wrap h1 {
  font-size: 1.4rem;
  text-align: center;
  margin-bottom: 6px;
}

.x4-form-sub {
  text-align: center;
  color: var(--x4-text-muted);
  font-size: .9rem;
  margin-bottom: 24px;
}

.x4-campo { margin-bottom: 16px; }

.x4-campo label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--x4-navy-2);
  margin-bottom: 6px;
}

.x4-campo input,
.x4-campo select {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--x4-border);
  border-radius: var(--radius-sm);
  font-size: .96rem;
  font-family: var(--font-body);
  background: #fff;
  color: var(--x4-text);
}
.x4-campo input:focus, .x4-campo select:focus {
  outline: none;
  border-color: var(--x4-blue);
  box-shadow: 0 0 0 3px rgba(44,143,201,.18);
}

.x4-form-wrap .x4-btn { width: 100%; justify-content: center; padding: 12px; font-size: 1rem; }

.x4-form-links {
  text-align: center;
  margin-top: 18px;
  font-size: .88rem;
  color: var(--x4-text-muted);
}

.x4-alerta {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: .88rem;
  margin-bottom: 18px;
}
.x4-alerta-error { background: #FDEAE8; color: var(--x4-red-dark); border: 1px solid #F5C6C0; }
.x4-alerta-ok { background: #E8F5EC; color: #1E7A3D; border: 1px solid #BFE6CB; }

/* ---------- Tablas admin ---------- */
.x4-tabla-wrap { overflow-x: auto; background: var(--x4-card); border-radius: var(--radius); border: 1px solid var(--x4-border); box-shadow: var(--shadow); }
table.x4-tabla { width: 100%; border-collapse: collapse; font-size: .9rem; }
table.x4-tabla th, table.x4-tabla td { padding: 10px 14px; border-bottom: 1px solid var(--x4-border); text-align: left; vertical-align: middle; }
table.x4-tabla th { background: var(--x4-blue-light); color: var(--x4-navy-2); font-weight: 700; }
table.x4-tabla tr:hover td { background: #FAFBFD; }
.x4-badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: .75rem; font-weight: 600; }
.x4-badge-privado { background: #FDEAE8; color: var(--x4-red-dark); }
.x4-badge-publico { background: #E8F5EC; color: #1E7A3D; }

.x4-admin-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; flex-wrap: wrap; gap: 10px; }
.x4-admin-tabs { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
.x4-admin-tabs a { padding: 8px 16px; border-radius: 999px; background: var(--x4-card); border: 1px solid var(--x4-border); color: var(--x4-navy-2); font-weight: 600; font-size: .88rem; }
.x4-admin-tabs a.activo, .x4-admin-tabs a:hover { background: var(--x4-navy); color: #fff; text-decoration: none; }

.x4-accion { padding: 5px 10px; border-radius: var(--radius-sm); font-size: .82rem; font-weight: 600; border: 1px solid var(--x4-border); background: #fff; cursor: pointer; }
.x4-accion-editar { color: var(--x4-blue); }
.x4-accion-borrar { color: var(--x4-red); }

/* ---------- Footer ---------- */
.x4-footer {
  text-align: center;
  padding: 24px 20px 40px;
  color: var(--x4-text-muted);
  font-size: .82rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .x4-logo span { display: none; }
  .x4-links-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
  .x4-form-wrap { margin: 30px 16px; padding: 26px 20px; }
}