/* Shared top nav — hamburger below tablet / crowded header. */
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  margin-left: auto;
  padding: 0;
  border: 1px solid var(--accentBorder, rgba(74, 85, 99, 0.38));
  border-radius: 12px;
  background: var(--elev, #fafbfc);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  flex-shrink: 0;
  z-index: 42;
  transition: background .18s ease, border-color .18s ease;
}
.nav-toggle span {
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent, #4a5563);
  transition: transform .18s ease, opacity .18s ease;
}
.topnav.nav-open .nav-toggle {
  background: var(--accent, #4a5563);
  border-color: var(--accent, #4a5563);
}
.topnav.nav-open .nav-toggle span {
  background: #fff;
}
.topnav.nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.topnav.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.topnav.nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-ico,
.nav-hint,
.nav-group {
  display: none;
}
.nav-scrim {
  display: none;
}
.nav-logout {
  appearance: none;
  font: inherit;
  cursor: pointer;
  text-decoration: none;
  color: var(--mute, #5c6570);
  font-size: 12px;
  font-weight: 600;
  padding: 7px 12px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
}
.nav-logout:hover {
  color: var(--text, #1a1f26);
  background: var(--tint, #eef1f4);
}
.nav-logout[hidden] {
  display: none !important;
}

@media (max-width: 1100px) {
  .topnav {
    position: sticky;
    z-index: 40;
    height: auto !important;
    min-height: var(--hdr, 56px);
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    overflow: visible;
  }
  .brand {
    order: 1;
    margin-right: auto;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .nav-right {
    order: 2;
    margin-left: 0 !important;
    gap: 6px;
    flex-shrink: 0;
  }
  .nav-toggle {
    display: inline-flex !important;
    order: 3;
    margin-left: 8px;
  }
  .nav-scrim {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 35;
    background: rgba(26, 31, 38, 0.28);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
  }
  body.nav-open .nav-scrim {
    display: block;
  }
  .nav {
    display: none !important;
    order: 4;
    flex-basis: 100%;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    margin-top: 4px;
    padding: 10px 8px 12px;
    position: relative;
    z-index: 41;
  }
  .topnav.nav-open .nav {
    display: flex !important;
    background: var(--panel, #ffffff);
    border: 1px solid var(--line, #d7dce3);
    border-radius: 16px;
    box-shadow: 0 18px 40px rgba(26, 31, 38, 0.1);
  }
  .nav-group {
    display: block;
    padding: 10px 12px 4px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--mute, #5c6570);
  }
  .nav-group:first-child { padding-top: 4px; }
  .nav a,
  .nav .dd-btn,
  .nav .nav-logout {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    box-sizing: border-box;
    padding: 10px 12px;
    font-size: 15px;
    font-weight: 650;
    border-radius: 12px;
    border: 0;
    background: transparent;
    text-align: left;
    color: var(--text, #1a1f26);
  }
  .nav .nav-logout[hidden],
  .nav-group.nav-account:has(+ .nav-logout[hidden]) {
    display: none !important;
  }
  .nav-group.nav-account {
    margin-top: 6px;
    border-top: 1px solid var(--line, #d7dce3);
    padding-top: 12px;
  }
  .nav-ico {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    flex-shrink: 0;
    border-radius: 11px;
    background: var(--tint, #eef1f4);
    color: var(--accent, #4a5563);
  }
  .nav-ico svg {
    display: block;
    width: 18px;
    height: 18px;
  }
  .nav-copy {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
  }
  .nav-title {
    line-height: 1.25;
  }
  .nav-hint {
    display: block;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0;
    text-transform: none;
    color: var(--mute, #5c6570);
    line-height: 1.35;
  }
  .nav a:hover,
  .nav .dd-btn:hover,
  .nav .nav-logout:hover {
    background: var(--tint, #eef1f4);
    color: var(--text, #1a1f26);
  }
  .nav a.active {
    color: var(--text, #1a1f26);
    border: 0;
    background: linear-gradient(90deg, rgba(74, 85, 99, 0.12), rgba(74, 85, 99, 0.05));
    box-shadow: inset 3px 0 0 var(--accent, #4a5563);
  }
  .nav a.active .nav-ico {
    background: var(--accent, #4a5563);
    color: #fff;
  }
  .nav a.active .nav-hint {
    color: var(--soft, #3a4350);
  }
  .live #conn { display: none; }
  .live { padding: 6px 8px; }
}

@media (max-width: 420px) {
  .nav-right { gap: 4px; }
}