/* Homepage-only preferences. Defaults leave the existing theme untouched. */
.home-page #user-info:not([hidden]) { display: flex; align-items: center; gap: 4px; min-width: 0; }
.home-page #user-info .user-profile-box { min-width: 0; padding-inline: 10px; }
.home-page #user-info .user-name-display { max-width: 108px; }
.home-page #home-theme-toggle {
  display: inline-flex; align-items: center; justify-content: center; flex: 0 0 44px;
  width: 44px; height: 44px; padding: 0; border-radius: 50%; border: 1px solid #b7e4d9;
  color: #12685b; background: #f2fbf8; cursor: pointer;
  transition: background-color 160ms, border-color 160ms;
}
.home-page #home-theme-toggle[hidden] { display: none; }
.home-page #home-theme-toggle:hover, .home-page #home-theme-toggle[aria-expanded="true"] { background: #dff5ee; border-color: #3da68d; }
.home-page #home-theme-toggle:focus-visible, #home-theme-dialog button:focus-visible { outline: 3px solid #138a74; outline-offset: 3px; }

/* Keep the banner and footer out of Theme 2; preserve the honeycomb geometry. */
.home-page[data-home-theme1="gugugaga"] .hero-section {
  background: linear-gradient(90deg, rgba(255,255,255,.80), rgba(255,255,255,.12) 50%, rgba(255,255,255,.78)),
    #e0f0f0 url('/image/themes/gugugaga-header.jpg?v=20261014-2') center bottom / cover no-repeat;
}
.home-page[data-home-theme1="gugugaga"] .hero-section::before,
.home-page[data-home-theme1="gugugaga"] .hero-section::after { display: none; }
.home-page[data-home-theme3="gugugaga"] .main-footer {
  background: linear-gradient(rgba(255,255,255,.35), rgba(255,255,255,.12)),
    #e4f0f3 url('/image/themes/gugugaga-footer.jpg?v=20261014-2') center bottom / cover no-repeat;
  color: #163f50; border-top-color: #c5e0e5;
}
.home-page[data-home-theme3="gugugaga"] .main-footer :is(p, li, a, .footer-bottom) { color: #274e5e; }
.home-page[data-home-theme3="gugugaga"] .footer-grid { background: rgba(255,255,255,.68); border-radius: 16px; padding: 20px; }
.home-page[data-home-theme2="gugugaga"] #main-view { position: relative; isolation: isolate; }
.home-page[data-home-theme2="gugugaga"] #main-view::before {
  content: ""; position: absolute; inset: var(--home-banner-height, 240px) 0 0; z-index: -1; pointer-events: none;
  background: #e2f2f4 url('/image/themes/guga-winter-background.jpg?v=20261013-1') center center / cover no-repeat;
}
.home-page[data-home-theme2="gugugaga"] #main-view > .container { position: relative; }
.home-page[data-home-theme2="gugugaga"] #main-view .course-card {
  background: rgba(255,255,255,.95); border-color: #c5e2e5; box-shadow: 0 8px 24px rgba(42,83,100,.09);
}
.home-page[data-home-theme2="gugugaga"] #main-view .section-title {
  color: #146878; -webkit-text-fill-color: #146878; background: none;
  text-shadow: 0 1px 0 #fff, 0 0 12px #fff;
}
.home-page[data-home-theme2="gugugaga"] #main-view .section-title i { -webkit-text-fill-color: #e5ae00; }

#home-theme-dialog {
  box-sizing: border-box; width: min(650px, calc(100% - 32px)); max-width: none; max-height: calc(100dvh - 32px);
  margin: auto; padding: 26px; border: 1px solid #c8e3d9; border-radius: 24px;
  background: #fcfefc; color: #183e37; box-shadow: 0 24px 80px rgba(16,55,47,.22); overflow: auto;
  font-family: "Roboto", sans-serif;
}
#home-theme-dialog::backdrop { background: rgba(15,41,37,.42); }
#home-theme-dialog .home-theme-heading { display: flex; align-items: flex-start; gap: 16px; justify-content: space-between; }
#home-theme-dialog .home-theme-eyebrow { font-size: 10px; letter-spacing: 1.5px; font-weight: 800; color: #357666; }
#home-theme-dialog h2 { font-size: clamp(21px, 4vw, 26px); margin: 7px 0 0; line-height: 1.25; color: #183e37; }
#home-theme-dialog button { min-height: 44px; border-radius: 12px; padding: 10px 14px; font: inherit; font-weight: 700; font-size: 13px; cursor: pointer; border: 1px solid #cfdfd9; background: #fff; color: #305a50; }
#home-theme-dialog button:disabled { opacity: .65; cursor: wait; }
#home-theme-dialog .home-theme-close { flex: 0 0 44px; width: 44px; padding: 0; font-size: 25px; border-radius: 50%; }
#home-theme-description { color: #58766c; font-size: 13px; line-height: 1.6; margin: 13px 0 24px; }
#home-theme-dialog .home-theme-zone { border: 0; padding: 0; margin: 0 0 22px; min-width: 0; }
#home-theme-dialog legend { font-size: 15px; font-weight: 800; width: 100%; }
#home-theme-dialog legend span { margin-left: 8px; font-size: 13px; font-weight: 500; color: #5c776e; }
#home-theme-dialog .home-theme-zone > p { font-size: 12px; line-height: 1.55; color: #637d74; margin: 7px 0 12px; }
#home-theme-dialog .home-theme-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
#home-theme-dialog .home-theme-follow { display: flex; align-items: center; gap: 9px; min-height: 44px; margin-bottom: 9px; font-size: 13px; color: #426c5e; cursor: pointer; }
#home-theme-dialog .home-theme-follow input { width: 18px; height: 18px; accent-color: #218c70; }
#home-theme-dialog .home-theme-card { position: relative; display: block; min-width: 0; border: 2px solid #e0ebe5; border-radius: 15px; overflow: hidden; cursor: pointer; background: #fff; }
#home-theme-dialog .home-theme-card:has(input:checked) { border-color: #218c70; box-shadow: 0 0 0 2px #e0f4ea; }
#home-theme-dialog .home-theme-card:has(input:focus-visible) { outline: 3px solid #138a74; outline-offset: 3px; }
#home-theme-dialog .home-theme-card input { position: absolute; top: 11px; right: 11px; width: 20px; height: 20px; z-index: 1; opacity: 0; }
#home-theme-dialog .home-theme-preview { display: flex; align-items: center; justify-content: center; height: 94px; text-align: center; font-size: 11px; line-height: 1.35; color: #185d55; background: #e7f6f0; }
#home-theme-dialog .home-theme-preview-hero { background: radial-gradient(ellipse at 80% 10%, #def0d0, transparent 70%), #eef9f6; }
#home-theme-dialog .home-theme-preview-default { background: linear-gradient(120deg, #b1e6dc, #d6e2ee); font-size: 15px; }
#home-theme-dialog .home-theme-preview-footer { background: #f4f9fb; }
#home-theme-dialog .home-theme-preview-guga { background: #e2f2f4 url('/image/themes/guga-winter-background.jpg?v=20261013-1') center / cover no-repeat; }
#home-theme-dialog .home-theme-card-info { display: flex; flex-direction: column; gap: 5px; padding: 12px; }
#home-theme-dialog .home-theme-card strong { font-size: 14px; }
#home-theme-dialog .home-theme-card small { font-size: 11px; color: #607a70; }
#home-theme-dialog .home-theme-selected { display: none; position: absolute; top: 9px; right: 9px; width: 23px; height: 23px; border-radius: 50%; background: #218c70; color: #fff; text-align: center; line-height: 23px; font-size: 14px; box-shadow: 0 0 0 2px #fff; }
#home-theme-dialog input:checked ~ .home-theme-selected { display: block; }
#home-theme-status { min-height: 36px; font-size: 12px; line-height: 1.5; color: #426c5e; margin: 0 0 10px; }
#home-theme-dialog .home-theme-footer { display: flex; justify-content: space-between; gap: 10px; border-top: 1px solid #e1ece6; padding-top: 16px; }
#home-theme-dialog .home-theme-footer > div { display: flex; gap: 8px; }
#home-theme-dialog #home-theme-save { background: #177c64; color: #fff; border-color: #177c64; }
#home-theme-dialog #home-theme-reset { padding-inline: 0; border-color: transparent; background: transparent; }
@media (max-width: 600px) {
  .home-page[data-home-theme1="gugugaga"] .hero-section { background-size: auto, 100% auto; padding-bottom: 86px; }
  .home-page[data-home-theme3="gugugaga"] .main-footer { background-size: auto, 100% auto; }
  #home-theme-dialog { padding: 20px 16px; border-radius: 20px; }
  #home-theme-dialog .home-theme-heading { gap: 10px; }
  #home-theme-dialog .home-theme-preview { height: 85px; }
  #home-theme-dialog .home-theme-footer { flex-wrap: wrap; }
  /* Keep both characters visible instead of enlarging a 16:9 picture to the
     height of the long, single-column mobile page and cropping them away. */
  .home-page[data-home-theme2="gugugaga"] #main-view::before { background-size: 100% auto; background-position: center top; background-repeat: repeat-y; }
}
@media (prefers-reduced-motion: reduce) { .home-page #home-theme-toggle { transition: none; } }