/* App-style Top Tab Navigation (show on all viewports) */
nav.app-tabs {
  display: flex;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--surface, #fdf8ef);
  border-bottom: 1px solid var(--border, #c9b58c);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
}
nav.app-tabs ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  width: 100%;
}
nav.app-tabs li {
  flex: 1;
}
nav.app-tabs a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 10px 6px;
  text-decoration: none;
  font-family: 'Merriweather', serif;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--ink, #2b2318);
  border-right: 1px solid var(--border, #c9b58c);
  position: relative;
}
nav.app-tabs a:last-child {
  border-right: none;
}
nav.app-tabs a .icon {
  width: 22px;
  height: 22px;
  display: block;
}
nav.app-tabs a svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  fill: currentColor;
}
nav.app-tabs a:focus-visible {
  outline: 3px solid var(--focus-ring, #c08a5a);
  outline-offset: -3px;
}
nav.app-tabs a.active {
  background: var(--accent, #8e5f3f);
  color: var(--accent-contrast, #fff5e6);
}
nav.app-tabs a.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-strong, #6d3d1f);
}
nav.app-tabs a:hover {
  background: var(--accent, #8e5f3f);
  color: var(--accent-contrast, #fff5e6);
}
body.dark-mode nav.app-tabs {
  background: var(--surface, #1f1a15);
  border-color: var(--border, #5b4a36);
}
body.dark-mode nav.app-tabs a {
  color: var(--ink, #a0896e);
  border-color: var(--border, #5b4a36);
}
body.dark-mode nav.app-tabs a.active {
  background: var(--accent, #c08a5a);
  color: var(--accent-contrast, #14110e);
}
nav.app-tabs a[aria-current="page"] {
  box-shadow: inset 0 0 0 2px var(--accent-strong, #6d3d1f);
}
body.dark-mode nav.app-tabs a[aria-current="page"] {
  box-shadow: inset 0 0 0 2px var(--accent, #c08a5a);
}

/* Hide existing banner buttons on all sizes to match mobile look */
.banner-buttons {
  display: none !important;
}

/* Desktop: keep tabs flush to top-left corner */
@media (min-width: 1025px) {
  #header {
    position: relative;
  }
  nav.app-tabs {
    left: 0;
    top: 0;
    width: auto;
  }
  nav.app-tabs ul {
    gap: 8px;
    justify-content: flex-start;
    width: auto;
  }
  nav.app-tabs li {
    flex: 0 0 auto;
  }
  nav.app-tabs a {
    flex-direction: row;
    gap: 6px;
    padding: 6px 10px;
    border: 1px solid var(--border, #c9b58c);
    border-radius: 10px;
    background: var(--surface, #ede2c7);
  }
  nav.app-tabs a.active {
    background: var(--accent, #8e5f3f);
    color: var(--accent-contrast, #fff5e6);
  }
  nav.app-tabs a.active::after {
    display: none;
  }
  nav.app-tabs a .icon {
    width: 18px;
    height: 18px;
  }
}

/* Desktop overlay arrows for tab navigation */
@media (min-width: 1025px) {
  .tabs-arrow {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 2px solid var(--border, #c9b58c);
    background: var(--accent, #8e5f3f);
    color: var(--accent-contrast, #fff5e6);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    z-index: 1200;
  }
  .tabs-arrow:hover {
    filter: brightness(1.05);
  }
  .tabs-arrow-left {
    left: 12px;
  }
  .tabs-arrow-right {
    right: 12px;
  }
}

/* Hide arrows on touch/small screens */
@media (max-width: 1024px), (pointer: coarse) {
  .tabs-arrow {
    display: none !important;
  }
}
/* Ensure header leaves vertical space for tab bar */
@media (min-width: 1025px) {
  #header { padding-top: 46px; }
}