/* These controls are shared by signup and private account settings. */
.birthday-picker { position: relative; display: grid; grid-template-columns: minmax(72px, .8fr) minmax(120px, 1.45fr) minmax(88px, 1fr); gap: 10px; width: 100%; min-width: 0; }
.birthday-picker .birthday-picker-trigger {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  min-width: 0; width: 100%; min-height: 50px; padding: 12px 16px; margin: 0;
  border: 1px solid var(--glass-border, var(--border, #56596d)); border-radius: 999px;
  background: linear-gradient(145deg, var(--glass-highlight-soft, #ffffff08), transparent 65%), var(--input, var(--card, #202126));
  color: var(--secondary-text, #a7a8b1); font: inherit; text-align: left; box-sizing: border-box;
  box-shadow: inset 0 1px 0 var(--glass-highlight, #ffffff18); cursor: pointer;
  transform-origin: center; --ym-hover-scale: 1.025; --ym-press-scale: .975;
}
.birthday-picker .birthday-picker-trigger.has-value { color: var(--text, #f4f4f6); }
.birthday-picker .birthday-picker-trigger[aria-expanded="true"] { border-color: var(--primary, #6076ff); box-shadow: inset 0 1px 0 var(--glass-highlight, #ffffff18), 0 0 0 2px color-mix(in srgb, var(--primary, #6076ff) 18%, transparent); }
.birthday-picker-value { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.birthday-picker-chevron { flex: 0 0 auto; color: var(--secondary-text, #a7a8b1); font-size: 18px; line-height: 1; transform: translateY(-2px); }
.birthday-picker-trigger:disabled { cursor: wait; opacity: .6; }
.birthday-picker-trigger:focus-visible, .birthday-picker-option:focus-visible { outline: 2px solid var(--primary, #6076ff); outline-offset: 3px; }
.birthday-picker-popup {
  position: fixed; z-index: 2147483645; display: flex; flex-direction: column; gap: 3px;
  overflow-y: auto; overflow-x: hidden; overscroll-behavior: contain; touch-action: pan-y;
  -webkit-overflow-scrolling: touch; scrollbar-width: none;
  border: 1px solid var(--glass-border, var(--border, #56596d)); border-radius: 30px;
  padding: 7px; box-sizing: border-box; color: var(--text, #f4f4f6);
  background: linear-gradient(145deg, var(--glass-highlight-soft, #ffffff09), transparent 55%), var(--card, #202126);
  box-shadow: inset 0 1px 0 var(--glass-highlight, #ffffff1a), 0 14px 36px #0005;
  font: inherit;
}
.birthday-picker-popup::-webkit-scrollbar { display: none; }
.birthday-picker-popup .birthday-picker-option {
  display: block; flex: 0 0 auto; width: 100%; min-height: 42px; padding: 10px 13px; margin: 0;
  border: 1px solid transparent; border-radius: 999px; color: inherit; background: transparent;
  box-shadow: none; font: inherit; text-align: left; white-space: nowrap; cursor: pointer;
  --ym-hover-scale: 1.015; --ym-press-scale: .975;
}
.birthday-picker-popup .birthday-picker-option:hover,
.birthday-picker-popup .birthday-picker-option.ym-hovered,
.birthday-picker-popup .birthday-picker-option:focus-visible { background: var(--primary, #6076ff); color: var(--primary-text, white); }
.birthday-picker-popup .birthday-picker-option[aria-selected="true"] { border-color: var(--primary, #6076ff); box-shadow: inset 0 0 0 1px var(--primary, #6076ff); }
:is(#birthdayModal, #birthdayHelpModal).birthday-overlay { z-index: 2147483600; padding: max(16px, env(safe-area-inset-top)) 14px max(16px, env(safe-area-inset-bottom)); box-sizing: border-box; }
:is(#birthdayModal, #birthdayHelpModal) .birthday-dialog-surface {
  display: flex; flex-direction: column; gap: 16px; position: relative; min-width: 0; min-height: 0;
  width: min(460px, calc(100vw - 28px)) !important; height: auto !important;
  max-height: calc(100dvh - 32px - env(safe-area-inset-top) - env(safe-area-inset-bottom)) !important;
  padding: 25px !important; box-sizing: border-box; overflow-x: hidden !important; overflow-y: auto !important;
  border: 1px solid var(--glass-border, var(--border, #56596d)) !important; border-radius: 46px !important;
  background: linear-gradient(145deg, var(--glass-highlight-soft, #ffffff0a), transparent 55%), var(--card, #202126) !important;
  color: var(--text, #f4f4f6); box-shadow: inset 0 1px 0 var(--glass-highlight, #ffffff1a), 0 24px 70px var(--shadow, #0008) !important;
  scrollbar-width: none;
}
:is(#birthdayModal, #birthdayHelpModal) .birthday-dialog-surface::-webkit-scrollbar { display: none; }
#birthdayModal .hidden { display: none !important; }
#birthdayModal h2 { margin: 0 0 8px; font-size: 1.5rem; line-height: 1.2; }
#birthdayModal header p { margin: 0; font-size: .9rem; line-height: 1.5; color: var(--secondary-text, #a7a8b1); }
.birthday-private-note { margin: 12px 0 0; font-size: .8rem; line-height: 1.45; color: var(--secondary-text, #a7a8b1); }
#birthdayModal .status-message { margin: 0; font-size: .85rem; line-height: 1.45; }
#birthdayModal .status-message:empty { display: none; }
#birthdayModal .status-message.error { color: var(--primary, #6076ff); }
#birthdayPasswordStep > label { display: block; margin-bottom: 8px; font-size: .9rem; }
#birthdayPasswordStep .password-input-wrap { position: relative; display: flex; align-items: center; }
#birthdayPasswordStep input { width: 100%; min-width: 0; min-height: 50px; padding: 12px 74px 12px 16px; box-sizing: border-box; border-radius: 999px; }
#birthdayPasswordStep .password-toggle-button { position: absolute; right: 8px; top: 50%; transform: translateY(-50%); min-height: 34px; padding: 6px 12px; background: var(--highlight, #6076ff22); color: var(--text, #f4f4f6); border: 1px solid var(--glass-border, var(--border)); border-radius: 999px; box-shadow: inset 0 1px 0 var(--glass-highlight, #ffffff18); font-size: .8rem; }
.birthday-actions { display: flex; gap: 10px; flex: 0 0 auto; }
#birthdayModal .birthday-actions > button { flex: 1 1 0; min-width: 0; min-height: 46px; margin: 0; border-radius: 999px; }
.birthday-support-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 7px 16px; padding-top: 2px; }
#birthdayModal .birthday-support-actions > button { min-height: 32px; padding: 4px 0; margin: 0; border: 0; background: transparent; box-shadow: none; color: var(--secondary-text, #a7a8b1); font: inherit; font-size: .8rem; text-decoration: underline; text-underline-offset: 3px; }
#birthdayModal .birthday-support-actions > button:disabled { display: none; }
#birthdayModal .birthday-greeting-symbol { font-size: 2rem; line-height: 1; color: var(--primary); }
:is(#birthdayModal, #birthdayHelpModal) .birthday-dialog-surface.is-greeting { text-align: center; }
#birthdayModal .is-greeting h2 { margin-bottom: 0; }
#birthdayModal .is-greeting header p:empty { display: none; }
.birthday-confetti { position: fixed; inset: 0; z-index: 2; overflow: hidden; overflow: clip; pointer-events: none; contain: strict; }
.birthday-confetti-piece { position: absolute; bottom: -8px; display: block; pointer-events: none; will-change: transform, opacity; }
@media (prefers-reduced-motion: reduce) { .birthday-confetti { display: none; } }
/* Non-inheriting paint tokens are animated only on visible UI controls. The
   saved root theme stays untouched, so the page tree is not invalidated/frame. */
@property --birthday-paint { syntax: '<color>'; inherits: false; initial-value: #ee526c; }
@property --birthday-ink { syntax: '<color>'; inherits: false; initial-value: #021b17; }
@property --birthday-text { syntax: '<color>'; inherits: false; initial-value: #baf7ed; }
body.yapper-birthday-active [data-birthday-paint] {
  color: var(--birthday-text);
  --birthday-paint: #ee526c;
  --birthday-ink: #012821;
  --birthday-text: #baf7ed;
  --primary: var(--birthday-paint) !important;
  --primary-text: var(--birthday-ink) !important;
  --ym-accent: var(--birthday-paint) !important;
  --voice-accent: var(--birthday-paint) !important;
  --text: var(--birthday-text) !important;
  --secondary-text: color-mix(in srgb, var(--birthday-text) 75%, var(--card)) !important;
  --highlight: color-mix(in srgb, var(--birthday-paint) 22%, transparent) !important;
  --highlight-hover: color-mix(in srgb, var(--birthday-paint) 30%, transparent) !important;
}
:where(body.yapper-birthday-active [data-birthday-paint]:is(h1,h2,h3,h4,p,span,label,small):not(.status-message):not(button *,a *,[role="button"] *,[role="tab"] *)) { color: var(--birthday-text); }
/* Two prepainted mask layers blend through opacity. Uploaded photos keep their
   original colours and existing zoom/gyroscope behaviour. */
html[data-birthday-wallpaper] > body { isolation: isolate; }
html[data-birthday-wallpaper] > body > :is(.app-wallpaper-viewport,.app-wallpaper-header) {
  display: block; position: fixed; top: 0; left: 0; width: 100%;
  height: var(--app-wallpaper-viewport-height,100dvh); overflow: hidden; pointer-events: none; contain: paint;
}
html[data-birthday-wallpaper] > body > .app-wallpaper-viewport { z-index: -1; }
html[data-birthday-wallpaper] > body > .app-wallpaper-header { z-index: 90; height: var(--app-wallpaper-mobile-header-bottom,96px); }
html[data-birthday-wallpaper] > body > .site-header { z-index: 100; }
html[data-birthday-wallpaper] .app-wallpaper-paint {
  position: absolute; inset: 0; width: 100%; height: var(--app-wallpaper-viewport-height,100dvh);
  background: var(--app-wallpaper-base,#101010) !important;
}
html[data-birthday-wallpaper] > body > .site-header::before { background: transparent !important; }
.birthday-wallpaper-palette {
  position: absolute; inset: 0; pointer-events: none;
  opacity: calc(100% - var(--app-wallpaper-shade,0%));
}
.birthday-wallpaper-tint {
  position: absolute; inset: 0; pointer-events: none;
  mask: var(--birthday-mask) center / cover no-repeat;
  -webkit-mask: var(--birthday-mask) center / cover no-repeat;
}
.birthday-wallpaper-tint + .birthday-wallpaper-tint { will-change: opacity; }
@media (max-width:760px), (pointer:coarse) {
  html[data-birthday-wallpaper][data-app-wallpaper-motion="on"] .app-wallpaper-paint {
    left:-12px;top:-12px;width:calc(100% + 24px);height:calc(var(--app-wallpaper-viewport-height,100dvh) + 24px);
  }
}
#birthdayHelpModal p { margin: 0; line-height: 1.5; color: var(--secondary-text); }
#birthdayHelpModal button { border-radius: 999px; }
#deleteModal .delete-modal { border-radius: 46px !important; }
#authMessage.error, #birthdayModal .status-message { color: var(--primary); }
.birthday-picker-trigger, .birthday-picker-option { transition: background-color 150ms ease, border-color 150ms ease, box-shadow 150ms ease !important; }
.birthday-picker-trigger, .birthday-picker-option { animation: none !important; scale: none !important; translate: none !important; transform: none !important; }
.birthday-picker-popup { animation: none !important; translate: none !important; scale: none !important; }
@media (max-width: 390px) {
  .birthday-picker { gap: 7px; grid-template-columns: minmax(62px, .8fr) minmax(100px, 1.4fr) minmax(76px, 1fr); }
  .birthday-picker .birthday-picker-trigger { padding-inline: 12px; font-size: .9rem; }
  :is(#birthdayModal, #birthdayHelpModal) .birthday-dialog-surface { padding: 22px 17px !important; }
}
@media (prefers-reduced-motion: reduce) {
  .birthday-picker-trigger, .birthday-picker-option { transition: none !important; }
}


/* Desktop reuses cached, source-sized wallpaper textures instead of repainting viewport-sized masks. */
.birthday-wallpaper-tint.birthday-wallpaper-raster { mask:none !important;-webkit-mask:none !important;background-color:transparent !important;background-position:center;background-size:cover;background-repeat:no-repeat; }