/* === LAYOUT BASE === */
.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main-content {
  flex: 1;
  padding: var(--gutter);
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

/* === NAV CLIENTE (mobile-first) === */
.nav-cliente {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--color-surface);
  border-top: 1px solid var(--color-bg);
  display: flex;
  z-index: 100;
}
.nav-cliente a {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 8px 4px;
  text-decoration: none;
  color: var(--color-ink);
  font-size: var(--text-xs);
  font-family: var(--font-body);
  font-weight: 500;
  transition: color 0.15s;
}
.nav-cliente a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}
.nav-cliente a.active {
  color: var(--color-accent);
}
.nav-cliente a .nav-icon {
  font-size: 20px;
  line-height: 1;
}

@media (min-width: 481px) {
  .nav-cliente {
    position: static;
    border-top: none;
    border-bottom: 1px solid var(--color-bg);
    background: var(--color-surface);
  }
  .nav-cliente a {
    flex-direction: row;
    gap: 6px;
    padding: 12px 20px;
    font-size: var(--text-sm);
  }
}

/* === NAV ADMIN (escritorio) === */
.nav-admin-toggle {
  display: none;
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  background: var(--color-surface);
  border: 1.5px solid var(--color-ink);
  border-radius: var(--radius);
  padding: 8px 12px;
  font-size: 18px;
  cursor: pointer;
  color: var(--color-ink);
}
.nav-admin-toggle:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.sidebar-admin {
  position: fixed;
  top: 0;
  left: 0;
  width: 220px;
  height: 100%;
  background: var(--color-surface);
  border-right: 1px solid var(--color-bg);
  padding: 20px 0;
  z-index: 150;
}
.sidebar-admin h2 {
  padding: 0 20px 16px;
  font-size: var(--text-base);
  color: var(--color-secondary);
}
.sidebar-admin a {
  display: block;
  padding: 10px 20px;
  text-decoration: none;
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: background 0.15s;
}
.sidebar-admin a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}
.sidebar-admin a:hover,
.sidebar-admin a.active {
  background: var(--color-bg);
}
.sidebar-admin a.active {
  color: var(--color-accent);
  font-weight: 600;
}
.sidebar-section-label {
  display: block;
  padding: 16px 20px 4px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

@media (max-width: 480px) {
  .nav-admin-toggle {
    display: block;
  }
  .sidebar-admin {
    transform: translateX(-100%);
    transition: transform 0.2s ease;
  }
  .sidebar-admin.open {
    transform: translateX(0);
  }
  .sidebar-admin + .main-content {
    margin-left: 0;
  }
}

@media (min-width: 481px) {
  .sidebar-admin + .main-content {
    margin-left: 220px;
  }
}