/* =========================
   Zyltron — Base Layout (Fixed & Responsive)
   ========================= */
:root {
  --bg: #f6f7fb;
  --ink: #111217;
  --muted: #6b7280;
  --card: #ffffff;
  --stroke: #e7e7ee;
  --black: #0f1013;
  --red: #e53935;
  --green: #22c55e;

  --radius: 14px;
  --shadow: 0 6px 16px rgba(17,18,23,.06);
  --shadow-lg: 0 12px 28px rgba(17,18,23,.12);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Montserrat', sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
}

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  background: #fff;
  border-bottom: 1px solid var(--stroke);
  z-index: 300;
}

/* Zonas izquierda y derecha */
.navbar .left,
.navbar .user {
  display: flex;
  align-items: center;
  z-index: 2;
}

/* Logo centrado absoluto */
.navbar .brand {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  white-space: nowrap;
}
.brand-badge {
  background: var(--black);
  color: #fff;
  border-radius: 8px;
  padding: 4px 8px;
  font-weight: 800;
  font-size: 1.2rem;
}

/* Botón hamburguesa */
.menu-toggle {
  background: none;
  border: 0;
  cursor: pointer;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.menu-toggle span {
  display: block;
  width: 22px;
  height: 3px;
  background: var(--black);
  border-radius: 2px;
}

/* Botón cerrar sesión */
#logout-btn {
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid var(--black);
  background: var(--black);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}
#logout-btn:hover {
  opacity: .9;
}

/* ===== Sidebar ===== */
.sidebar {
  position: fixed;
  top: 56px;
  left: 0;
  bottom: 0;
  width: 240px;
  background: #fff;
  border-right: 1px solid var(--stroke);
  padding: 14px;
  transform: translateX(-100%);
  transition: transform .25s ease;
  z-index: 400;
  box-shadow: 4px 0 12px rgba(0,0,0,0.25);
}
.layout.nav-open .sidebar {
  transform: translateX(0);
}

/* Overlay cuando sidebar está abierto */
.layout.nav-open::after {
  content: "";
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.35);
  z-index: 350;
}

/* Nav interno */
.side-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.side-nav a {
  padding: 10px 12px;
  border-radius: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
  transition: background .18s ease;
}
.side-nav a:hover {
  background: var(--bg);
}

/* ⚡️ Colores activos según página */
.page-dashboard   .side-nav .is-active { background: var(--black); color: #fff; }
.page-emergencias .side-nav .is-active { background: var(--red);   color: #fff; }
.page-preventivo  .side-nav .is-active { background: var(--green); color: #fff; }

.page-ubicaciones .side-nav .is-active,
.page-contacto    .side-nav .is-active,
.page-suscripcion .side-nav .is-active,
.page-perfil      .side-nav .is-active {
  background: var(--black);
  color: #fff;
}

/* ===== Content ===== */
.content {
  margin: 0 auto;
  padding: 80px 24px 40px;
  max-width: 1200px;
}
.content h1 {
  font-size: 26px;
  font-weight: 800;
  color: var(--black);
  margin: 0 0 18px;
}

/* ===== Footer ===== */
.footer {
  text-align: center;
  padding: 20px 0;
  font-size: 0.9rem;
  color: var(--muted);
  border-top: 1px solid var(--stroke);
  margin-top: 40px;
}

/* ===== Utilidades ===== */
.muted { color: var(--muted); }
.success { color: green; font-weight: 700; }
.error { color: var(--red); font-weight: 700; }

/* ===== Responsive ===== */
@media(max-width: 900px){
  .sidebar { width: 200px; }
  .content { padding: 70px 16px 32px; }
}

@media(max-width: 600px){
  .navbar { padding: 0 12px; }
  .navbar .brand { font-size: 1rem; }
  #logout-btn { padding: 4px 8px; font-size: 0.8rem; }

  .sidebar {
    width: 100%;   /* en móvil ocupa todo */
    max-width: 320px;
  }
  .content {
    padding: 72px 14px 28px;
  }
}