/* =========================================================
   DengueCare — Navbar Unificado v2.3
   Header fijo + drawer móvil accesible
   ========================================================= */

/* ---------------------------------------------------------
   Container del navbar
   --------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-fixed);
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
[data-theme="dark"] .navbar {
  background: rgba(13, 13, 20, 0.88);
}
.navbar.scrolled {
  box-shadow: 0 1px 0 var(--color-border), 0 8px 24px rgba(0,0,0,0.04);
}
[data-theme="dark"] .navbar.scrolled {
  box-shadow: 0 1px 0 var(--color-border), 0 8px 24px rgba(0,0,0,0.4);
}

.navbar-inner {
  height: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 clamp(16px, 3vw, 32px);
  display: flex;
  align-items: center;
  gap: 16px;
}

/* ---------------------------------------------------------
   Logo institucional
   --------------------------------------------------------- */
.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  flex-shrink: 0;
  padding: 4px 6px;
  margin-left: -6px;
  border-radius: 8px;
  transition: var(--transition);
}
.navbar-brand:hover { background: var(--color-surface-2); }

.navbar-logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(192,24,42,0.25);
}
.navbar-logo .icon { width: 18px; height: 18px; stroke-width: 2.2; }

.navbar-brand-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
  line-height: 1;
}
.navbar-brand-name span { color: var(--color-accent); }
.navbar-brand-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--color-text-dim);
  text-transform: uppercase;
  margin-top: 2px;
}

/* ---------------------------------------------------------
   Links principales (centro)
   --------------------------------------------------------- */
.navbar-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0 auto;
  padding: 0;
}
.navbar-nav a,
.navbar-nav button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1.2;
  white-space: nowrap;
}
.navbar-nav a:hover,
.navbar-nav button:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}
.navbar-nav a.active,
.navbar-nav .is-active {
  color: var(--color-accent);
  background: var(--color-accent-glow);
  border-color: var(--color-red-border);
}
.navbar-nav .icon { width: 16px; height: 16px; }

/* ---------------------------------------------------------
   Acciones (derecha) — CTA, theme, perfil, hamburguesa
   --------------------------------------------------------- */
.navbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  flex-shrink: 0;
}

.navbar-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 10px;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1.2;
  white-space: nowrap;
  border: 1px solid transparent;
  background: transparent;
  color: var(--color-text);
}
.navbar-btn-ghost {
  border-color: var(--color-border);
}
.navbar-btn-ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-glow);
}
.navbar-btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 2px 8px rgba(192,24,42,0.20);
}
.navbar-btn-primary:hover {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(192,24,42,0.30);
}
.navbar-btn .icon { width: 16px; height: 16px; }

/* Icon-only buttons (theme toggle, etc.) */
.navbar-icon-btn {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  transition: var(--transition);
  padding: 0;
}
.navbar-icon-btn:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-glow);
  color: var(--color-accent);
}
.navbar-icon-btn .icon { width: 18px; height: 18px; }
.navbar-icon-btn .icon-sun { display: none; }
[data-theme="dark"] .navbar-icon-btn .icon-sun { display: inline-block; }
[data-theme="dark"] .navbar-icon-btn .icon-moon { display: none; }

/* User chip */
.navbar-user {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 6px;
  border-radius: 100px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text);
}
.navbar-user:hover {
  border-color: var(--color-border-hover);
  background: var(--color-surface-2);
}
.navbar-user-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  flex-shrink: 0;
}
.navbar-user-name {
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------------------------------------------------------
   Hamburguesa (sólo móvil)
   --------------------------------------------------------- */
.navbar-hamburger {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  cursor: pointer;
  color: var(--color-text);
  padding: 0;
  transition: var(--transition);
}
.navbar-hamburger:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.navbar-hamburger-box {
  width: 18px;
  height: 14px;
  position: relative;
  display: inline-block;
}
.navbar-hamburger-box span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.2s ease, top 0.3s ease;
}
.navbar-hamburger-box span:nth-child(1) { top: 0; }
.navbar-hamburger-box span:nth-child(2) { top: 6px; }
.navbar-hamburger-box span:nth-child(3) { top: 12px; }
.navbar-hamburger[aria-expanded="true"] .navbar-hamburger-box span:nth-child(1) {
  top: 6px;
  transform: rotate(45deg);
}
.navbar-hamburger[aria-expanded="true"] .navbar-hamburger-box span:nth-child(2) {
  opacity: 0;
}
.navbar-hamburger[aria-expanded="true"] .navbar-hamburger-box span:nth-child(3) {
  top: 6px;
  transform: rotate(-45deg);
}

/* ---------------------------------------------------------
   Drawer móvil (off-canvas)
   --------------------------------------------------------- */
.nav-drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(2px);
  z-index: var(--z-overlay);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.nav-drawer-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(320px, 86vw);
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  z-index: var(--z-modal);
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}
.nav-drawer.is-open {
  transform: translateX(0);
  box-shadow: -8px 0 32px rgba(0,0,0,0.18);
}

.nav-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}
.nav-drawer-close {
  width: 40px; height: 40px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  padding: 0;
}
.nav-drawer-close:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.nav-drawer-close .icon { width: 18px; height: 18px; }

.nav-drawer-body {
  flex: 1;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.nav-drawer-section-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  padding: 14px 12px 6px;
}
.nav-drawer a,
.nav-drawer button {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
  width: 100%;
  line-height: 1.3;
}
.nav-drawer a:hover,
.nav-drawer button:hover {
  background: var(--color-surface-2);
}
.nav-drawer a.active,
.nav-drawer .is-active {
  color: var(--color-accent);
  background: var(--color-accent-glow);
  border-color: var(--color-red-border);
}
.nav-drawer .icon { width: 18px; height: 18px; flex-shrink: 0; color: var(--color-text-muted); }
.nav-drawer .is-active .icon,
.nav-drawer a:hover .icon { color: var(--color-accent); }

.nav-drawer-footer {
  padding: 16px;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-shrink: 0;
}
.nav-drawer-footer .navbar-btn { width: 100%; justify-content: center; }
.nav-drawer-footer .navbar-icon-btn { width: 100%; height: 40px; }

/* ---------------------------------------------------------
   Body-scroll lock cuando drawer abierto
   --------------------------------------------------------- */
body.nav-drawer-open {
  overflow: hidden;
  touch-action: none;
}

/* ---------------------------------------------------------
   Empuje del contenido (compensar header fijo)
   --------------------------------------------------------- */
body.has-navbar { padding-top: var(--header-h); }

/* ---------------------------------------------------------
   Responsive — colapsar a hamburguesa
   --------------------------------------------------------- */
@media (max-width: 1023px) {
  .navbar-nav { display: none; }
  .navbar-actions .navbar-btn-ghost,
  .navbar-actions .navbar-btn-primary,
  .navbar-actions .navbar-user { display: none; }
  .navbar-hamburger { display: inline-flex; }
}
@media (max-width: 767px) {
  :root { --header-h: var(--header-h-mobile); }
  .navbar-brand-tag { display: none; }
  .navbar-brand-name { font-size: 1rem; }
  .navbar-logo { width: 30px; height: 30px; }
}

/* ---------------------------------------------------------
   Mode médico — variante con sidebar (futuro)
   --------------------------------------------------------- */
.navbar.compact .navbar-inner { max-width: 100%; }