/* ════════════════════════════════════════════════════
   navbar.css — Fixed nav, hamburger, mobile drawer
   ════════════════════════════════════════════════════ */

#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  height: 64px;
  background: rgba(11,41,134,0.97); backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.nav-inner {
  height: 64px; display: flex; align-items: center; justify-content: space-between;
}

.logo { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.logo-img { height: 42px; width: auto; object-fit: contain; }
.logo-mark {
  width: 36px; height: 36px; border-radius: 8px; background: rgba(255,255,255,.15);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.logo-mark svg { width: 20px; height: 20px; fill: none; stroke: #fff; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-a {
  font-family: var(--font-accent); font-size: 13.5px; font-weight: 500; color: rgba(255,255,255,.65); padding: 6px 13px;
  border-radius: 7px; cursor: pointer; background: none; border: none; transition: all .15s;
}
.nav-a:hover, .nav-a.active { color: #fff; background: rgba(255,255,255,.1); }
.nav-a.active { background: rgba(255,255,255,.15); position: relative; }
.nav-a.active::after { content: ''; position: absolute; bottom: -14px; left: 50%; transform: translateX(-50%); width: 18px; height: 2px; background: var(--teal); border-radius: 1px; }
.nav-actions { display: flex; gap: 8px; align-items: center; }

/* ── Hamburger ───────────────────────────────────── */
.hamburger {
  display: none; flex-direction: column; justify-content: center;
  gap: 5px; width: 38px; height: 38px; padding: 6px;
  background: none; border: 1px solid rgba(255,255,255,.25); border-radius: 8px;
  cursor: pointer; transition: background .15s;
}
.hamburger:hover { background: rgba(255,255,255,.1); }
.hamburger span {
  display: block; height: 2px; width: 100%;
  background: rgba(255,255,255,.8); border-radius: 2px;
  transition: transform .25s, opacity .25s; transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile drawer ───────────────────────────────── */
.mobile-nav {
  display: none; position: fixed; top: 64px; left: 0; right: 0; z-index: 199;
  background: var(--white); border-bottom: 1px solid var(--border);
  box-shadow: 0 8px 32px rgba(var(--deep-rgb),.12);
  padding: 16px 24px 20px; flex-direction: column; gap: 4px;
}
.mobile-nav.open { display: flex; }
.mobile-nav .nav-a { display: block; width: 100%; text-align: left; padding: 12px 14px; font-size: 15px; color: var(--text); }
.mobile-nav .nav-a:hover, .mobile-nav .nav-a.active { color: var(--deep); background: rgba(var(--deep-rgb),.05); }
.mobile-nav .nav-a.active { font-weight: 700; }
.mobile-nav .nav-a.active::after { display: none; }
.mobile-nav-actions { display: flex; gap: 10px; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); }
/* min-height: la .btn base (padding 9px, font 14px) queda en ~38px de alto —
   por debajo del mínimo táctil de 44px (WCAG 2.5.5) que el resto del sitio
   sí respeta en controles móviles (.mode-btn, .tipo-opt, .modal-close). */
.mobile-nav-actions .btn { flex: 1; justify-content: center; min-height: 44px; }

/* ── Animated language switch ────────────────────── */
/*
  Track 74×36px pill, borde 1px ⇒ padding-box 72×34.
  Flags 24×24px (flex, coords de padding-box):
    centro izq = 7+12 = 19       centro der = 72-7-12 = 53
  Thumb anillo 30×30px (absoluto ⇒ también padding-box):
    top:2 left:4 → centro (19,17) = bandera izq ✓
    translateX EN: 53-19 = 34px → centro 53 = bandera der ✓
  (¡El translateX NO es "centro der − centro izq" en coords
  externas: los bordes del track corren el origen del thumb!)
  Estado: bandera activa a color dentro del anillo;
  la inactiva queda en escala de grises y atenuada.
*/
.lang-switch {
  position: relative;
  display: inline-flex; align-items: center; justify-content: space-between;
  width: 74px; height: 36px; border-radius: 18px;
  padding: 0 7px;
  background: rgba(0,0,0,.18);
  border: 1px solid rgba(255,255,255,.22);
  box-shadow: inset 0 1px 3px rgba(0,0,0,.25);
  cursor: pointer; flex-shrink: 0;
  transition: border-color .15s, background .15s;
}
.lang-switch:hover { border-color: rgba(255,255,255,.45); }
.lang-switch:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }

/* Anillo deslizante que enmarca la bandera activa */
.ls-thumb {
  position: absolute;
  top: 2px; left: 4px;
  width: 30px; height: 30px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,.92);
  box-shadow: 0 1px 6px rgba(0,0,0,.3);
  transition: transform .35s cubic-bezier(.5,1.5,.4,1);
  pointer-events: none; z-index: 1;
}
.lang-switch.lang-en .ls-thumb { transform: translateX(34px); }

/* Banderas circulares vía background-image (centrado siempre preciso) */
.ls-flag {
  width: 24px; height: 24px; border-radius: 50%;
  flex-shrink: 0; position: relative; z-index: 2;
  background-size: cover; background-position: center;
  filter: grayscale(1); opacity: .45;
  transition: opacity .25s, filter .25s, transform .15s;
}
.ls-flag-ar { background-image: url('../img/flags/flag-ar.png'); }
.ls-flag-us { background-image: url('../img/flags/flag-us.png'); }
.lang-switch:not(.lang-en) .ls-flag-ar,
.lang-switch.lang-en       .ls-flag-us { filter: none; opacity: 1; }

/* Hover: la bandera inactiva insinúa color, invitando al cambio */
.lang-switch:hover             .ls-flag    { filter: grayscale(.4); opacity: .75; }
.lang-switch:hover:not(.lang-en) .ls-flag-ar,
.lang-switch:hover.lang-en       .ls-flag-us { filter: none; opacity: 1; }
.lang-switch:active .ls-flag { transform: scale(.92); }

/* Mobile variant (fondo claro) */
.lang-switch--mobile {
  background: rgba(var(--deep-rgb),.08);
  border-color: var(--border); align-self: center;
  box-shadow: inset 0 1px 2px rgba(var(--deep-rgb),.12);
}
/* El pill visual (74×36) queda chico para el dedo, pero agrandarlo rompería
   la matemática de posicionamiento del thumb (ver comentario arriba). En
   vez de eso, un ::after invisible extiende el área táctil sin tocar el
   tamaño ni la posición de nada adentro. */
.lang-switch--mobile::after {
  content: ''; position: absolute; inset: -5px;
}
.lang-switch--mobile:hover { border-color: var(--deep); }
.lang-switch--mobile .ls-thumb {
  border-color: rgba(var(--deep-rgb),.65);
  box-shadow: 0 1px 4px rgba(var(--deep-rgb),.22);
}

@media (prefers-reduced-motion: reduce) {
  .ls-thumb, .ls-flag { transition-duration: .01ms; }
}

/* ── Botón de usuario (navbar) ───────────────────── */
.user-btn {
  display: flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2);
  border-radius: 20px; padding: 5px 10px 5px 5px;
  cursor: pointer; transition: all .15s; color: #fff;
}
.user-btn:hover { background: rgba(255,255,255,.18); border-color: rgba(255,255,255,.4); }
.user-btn-avatar {
  width: 26px; height: 26px; border-radius: 50%; flex-shrink: 0;
  background: var(--teal2); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 800;
}
.user-btn-name  { font-size: 13px; font-weight: 600; max-width: 90px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-btn-caret { width: 16px; height: 16px; opacity: .65; flex-shrink: 0; }

.user-btn--mobile {
  background: rgba(var(--deep-rgb),.07); border-color: var(--border); color: var(--deep);
  flex: 1;
}
.user-btn--mobile:hover { background: rgba(var(--deep-rgb),.12); }
.user-btn--mobile .user-btn-avatar { background: var(--deep); }