/* Local extension of HAMFS's angular blue glass menus. */
#app-shell #auth-screen { padding-bottom: max(76px, calc(env(safe-area-inset-bottom) + 60px)); }
#auth-credits { position: absolute; z-index: 2; bottom: max(12px, env(safe-area-inset-bottom)); left: max(20px, env(safe-area-inset-left)); right: max(20px, env(safe-area-inset-right)); display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 0 4px; margin: 0; color: var(--text); font: 400 13px/1.7 var(--font-ui); text-align: center; text-shadow: 0 2px 8px #000; }
#auth-credits a { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; color: inherit; text-decoration: underline; text-underline-offset: 4px; }
#auth-credits a:hover { color: var(--accent); }
#app-shell #settings-about-button { width: 100%; margin-top: 8px; }
#app-shell #about-modal { position: fixed; inset: 0; z-index: 300; display: flex; justify-content: center; align-items: center; padding: max(24px,env(safe-area-inset-top)) max(24px,env(safe-area-inset-right)) max(24px,env(safe-area-inset-bottom)) max(24px,env(safe-area-inset-left)); color: var(--text); }
#app-shell #about-modal.hidden { display: none; }
#about-scrim { position: absolute; inset: 0; background: rgba(5,13,23,.78); }
#about-dialog { position: relative; display: flex; flex-direction: column; width: min(800px,100%); max-height: 100%; min-height: 0; overflow: hidden; background: var(--hfs-glass-strong); border: 1px solid var(--glass-line); border-radius: var(--radius-panel); -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur); clip-path: polygon(var(--panel-cut) 0,100% 0,100% calc(100% - var(--panel-cut)),calc(100% - var(--panel-cut)) 100%,0 100%,0 var(--panel-cut)); }
.about-header { display: flex; align-items: center; justify-content: space-between; flex-shrink: 0; gap: 16px; padding: 24px 32px 16px; }
#about-title { margin: 0 0 8px; font: 500 clamp(22px,3vw,30px)/1.2 var(--font-display); letter-spacing: -.02em; }
.about-version { font: 400 13px/1.5 var(--font-ui); color: var(--muted); font-variant-numeric: tabular-nums; }
#about-close { min-width: 64px; min-height: 44px; flex-shrink: 0; }
.about-tabs { display: flex; flex-shrink: 0; gap: 8px; padding: 0 32px; border-bottom: 1px solid var(--glass-line); }
#app-shell .about-tabs button { padding: 12px 16px; min-height: 48px; border: 0; border-bottom: 2px solid transparent; background: transparent; color: var(--muted); }
#app-shell .about-tabs button[aria-selected="true"] { border-bottom-color: var(--accent); color: var(--text); }
#app-shell .about-tabs button:hover { background: var(--glass-control); color: var(--text); }
#about-content { min-height: 0; overflow-y: auto; overscroll-behavior: contain; -webkit-overflow-scrolling: touch; padding: 24px 32px 32px; scrollbar-width: thin; scrollbar-color: #6e7c8b transparent; touch-action: pan-y; }
#about-content::-webkit-scrollbar { width: 6px; }
#about-content::-webkit-scrollbar-thumb { background: #6e7c8b; }
#about-content article { max-width: 72ch; margin: 0 auto; font: 400 15px/1.85 var(--font-ui); overflow-wrap: anywhere; }
#about-content h3, #about-content .legal-section h2 { margin: 28px 0 12px; font: 500 21px/1.4 var(--font-display); letter-spacing: -.02em; color: var(--text); }
#about-content article > h3:first-child, #about-content article > section:first-child h2 { margin-top: 0; }
#about-content p { margin: 0 0 16px; color: var(--text); }
#about-content a { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }
#about-content a:hover { color: #a4d1ff; }
#about-content .about-authors { display: flex; flex-wrap: wrap; gap: 8px 24px; margin: 8px 0 12px; }
#about-content .about-authors a, #about-content .about-links a { display: inline-flex; align-items: center; min-height: 44px; }
#about-content .about-links { display: flex; flex-wrap: wrap; gap: 4px 24px; padding-top: 8px; border-top: 1px solid var(--glass-line); }
#about-content .about-timeline { margin: 0; }
#about-content .about-timeline dt { margin-top: 24px; color: var(--accent); font-weight: 500; }
#about-content .about-timeline dd { margin: 4px 0 0; }
#about-content .legal-section { margin: 0; padding: 0; border: 0; background: transparent; box-shadow: none; }
#about-content strong { font-weight: 500; }
#about-modal :focus { outline: 2px solid var(--accent); outline-offset: -3px; }
#about-modal ::selection { color: var(--ink); background: var(--accent); }
@media (max-height: 550px) and (orientation: landscape) {
  #app-shell #about-modal { padding: max(12px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(12px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left)); }
  .about-header { padding: 12px 24px 8px; }
  #about-title { font-size: 22px; margin-bottom: 4px; }
  .about-tabs { padding: 0 24px; }
  #app-shell .about-tabs button { min-height: 44px; padding: 8px 12px; }
  #about-content { padding: 16px 24px 24px; }
  #auth-credits { font-size: 12px; }
}
@media (max-width: 600px) and (orientation: portrait) {
  #app-shell #auth-screen { padding-bottom: max(100px, calc(env(safe-area-inset-bottom) + 88px)); }
  #app-shell #about-modal { padding: max(12px,env(safe-area-inset-top)) 12px max(12px,env(safe-area-inset-bottom)); }
  .about-header { padding: 20px 16px 12px; }
  #about-title { font-size: 22px; }
  .about-tabs { padding: 0 8px; gap: 0; }
  #app-shell .about-tabs button { flex: 1; padding: 12px 8px; }
  #about-content { padding: 20px 16px 24px; }
}