/* ── Navbar ── */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2.5rem;
  height: 60px;
  background: rgba(255, 255, 254, 0.88);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 1000;
}

/* Marca geométrica: diamante teal antes del logotipo */
.navbar__logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--ink);
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.navbar__logo span { color: var(--leaf); }

.navbar__logo-img {
  height: 36px;
  width: auto;
  display: block;
  object-fit: contain;
}

/* Nav links */
.navbar__links {
  display: flex;
  gap: 0.15rem;
  align-items: center;
}

.navbar__links li { position: relative; }

.navbar__links a {
  font-family: var(--font-base);
  font-weight: 500;
  font-size: 0.83rem;
  color: var(--ink-soft);
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  display: block;
  transition: background 0.2s ease, color 0.2s ease;
}

.navbar__links a:hover {
  background: var(--leaf-light);
  color: var(--leaf);
}

/* Indicador activo: subrayado teal en lugar de fondo */
.navbar__links a.active {
  color: var(--leaf);
  background: transparent;
}

.navbar__links a.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0.85rem;
  right: 0.85rem;
  height: 1.5px;
  background: var(--leaf);
  border-radius: 1px;
}

/* Auth buttons */
.navbar__auth {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.navbar__auth-btn {
  font-family: var(--font-base);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.15s;
  white-space: nowrap;
}

.navbar__auth-btn--login {
  color: var(--leaf);
  border: 1px solid rgba(7, 128, 128, 0.3);
}
.navbar__auth-btn--login:hover {
  background: var(--leaf-light);
  border-color: var(--leaf);
}

.navbar__auth-btn--register {
  background: var(--leaf);
  color: #fff;
}
.navbar__auth-btn--register:hover { background: #056060; }

.navbar__auth-btn--user {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--leaf);
  font-weight: 700;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.navbar__auth-btn--user:hover { text-decoration: underline; }

.navbar__auth-icon { font-size: 0.85rem; }

.navbar__auth-btn--logout {
  color: var(--text-muted);
  font-size: 0.75rem;
}
.navbar__auth-btn--logout:hover { color: var(--coral); }

/* Footer */
.footer {
  text-align: center;
  padding: 1rem 1rem 0.75rem;
  background: var(--surface);
  border-top: 1px solid var(--line);
  font-size: 0.75rem;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.footer__opensource {
  margin-top: 0.4rem;
  font-size: 0.65rem;
  opacity: 0.6;
}

.footer__opensource a {
  color: var(--leaf);
  text-decoration: none;
  font-weight: 500;
}

.footer__opensource a:hover {
  text-decoration: underline;
}

/* ══════════════════════════════════════════════
   HAMBURGER — hidden by default, shown on mobile
══════════════════════════════════════════════ */
.navbar__hamburger {
  display: none;
  background: transparent;
  border: none;
  color: var(--ink);
  cursor: pointer;
  padding: 0.4rem;
  border-radius: 8px;
  line-height: 0;
  transition: background 0.15s ease;
  /* ensure 44px touch target */
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}
.navbar__hamburger:hover { background: var(--leaf-light); }

/* Close icon hidden by default */
.navbar__hamburger-icon--close { display: none; }

/* When drawer is open: swap icons */
.nav--open .navbar__hamburger-icon--open  { display: none; }
.nav--open .navbar__hamburger-icon--close { display: block; }

/* Auth row shown inside the drawer on mobile */
.navbar__drawer-auth { display: none; }

/* ══════════════════════════════════════════════
   RESPONSIVE NAV — ≤ 768px
══════════════════════════════════════════════ */
@media (max-width: 768px) {
  .navbar {
    padding: 0 1.25rem;
    position: relative;   /* drawer is positioned relative to navbar */
  }

  /* Show hamburger, hide desktop auth */
  .navbar__hamburger {
    display: flex;
    order: 3;
  }
  .navbar__auth { display: none; }

  /* Nav links become a full-width drawer that drops below the bar */
  .navbar__links {
    display: none;          /* hidden until .nav--open */
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(255, 255, 254, 0.97);
    backdrop-filter: blur(20px) saturate(1.4);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
    border-bottom: 1px solid var(--line-strong);
    box-shadow: 0 8px 24px rgba(35, 35, 35, 0.10);
    z-index: 999;
    padding: 0.5rem 0 1rem;
    animation: drawer-in 0.22s var(--ease-expo) both;
  }

  @keyframes drawer-in {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  /* Show the drawer when .nav--open is on the <nav> */
  .nav--open .navbar__links {
    display: flex;
  }

  .navbar__links li {
    width: 100%;
  }

  .navbar__links a {
    display: block;
    padding: 0.85rem 1.5rem;
    border-radius: 0;
    font-size: 0.95rem;
    font-weight: 600;
    border-bottom: 1px solid var(--line);
    /* 44px touch target */
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  .navbar__links a.active::after { display: none; }
  .navbar__links a.active {
    background: var(--leaf-light);
    border-left: 3px solid var(--leaf);
    padding-left: calc(1.5rem - 3px);
  }

  /* Auth inside the drawer */
  .navbar__drawer-auth {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem 1.25rem 0.25rem;
    border-top: 1px solid var(--line-strong);
    margin-top: 0.25rem;
  }

  .navbar__drawer-auth .navbar__auth-btn {
    font-size: 0.9rem;
    padding: 0.65rem 1rem;
    min-height: 44px;
    display: flex;
    align-items: center;
    border-radius: var(--radius-sm);
    text-align: center;
    justify-content: center;
  }
  .navbar__drawer-auth .navbar__auth-btn--register {
    background: var(--leaf);
    color: #fff;
    font-size: 0.9rem;
  }
}

/* ══════════════════════════════════════════════
   RESPONSIVE NAV — ≤ 480px
══════════════════════════════════════════════ */
@media (max-width: 480px) {
  .navbar { padding: 0 1rem; }
  .navbar__logo { font-size: 1rem; }
  .footer { font-size: 0.7rem; padding: 0.75rem 1rem; }
}