/* ============================================================================
   Overlays: dialogs, settings, confirmations, tour, calls, image viewer.
   On phones every dialog becomes a bottom sheet.
   ========================================================================== */

.modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: grid;
  place-items: center;
  padding: 20px;
  background: var(--overlay);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  animation: fadeIn var(--dur-2) var(--ease);
  overflow-y: auto;
}
.modal.closing {
  animation: fadeOut 0.16s var(--ease) forwards;
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
}
@keyframes fadeOut {
  to {
    opacity: 0;
  }
}
.modal-content {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(100%, 520px);
  max-height: calc(100dvh - 40px);
  padding: 26px;
  border-radius: var(--r-xl);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-3);
  overflow-y: auto;
  animation: dialogIn var(--dur-3) var(--ease-out);
}
.modal-content.narrow {
  width: min(100%, 420px);
}
@keyframes dialogIn {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
}
.modal-content > h3 {
  margin-bottom: 6px;
  font-size: 1.35rem;
}
.modal-content > h3 + :not(.modal-sub) {
  margin-top: 12px;
}
.modal-sub {
  margin-bottom: 16px;
  color: var(--text-2);
  font-size: var(--fs-md);
  line-height: 1.5;
}
.modal-sub:empty {
  display: none;
}
.modal-hero-icon {
  margin-bottom: 14px;
  width: 52px;
  height: 52px;
  border-radius: 16px;
}
.modal-content > input + input,
.modal-content > input + .field-label {
  margin-top: 10px;
}
.modal-buttons {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}
.modal-buttons > * {
  min-width: 108px;
}
.modal-content .field-label:first-of-type {
  margin-top: 4px;
}

/* ---- New chat chooser ---- */
.choice-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.choice-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 16px;
  border-radius: var(--r-lg);
  background: var(--surface-2);
  border: 1.5px solid var(--border);
  text-align: left;
  transition: transform var(--dur-2) var(--ease), border-color var(--dur-2), background-color var(--dur-2);
}
.choice-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary-line);
  background: var(--surface);
}
.choice-icon {
  margin-bottom: 8px;
}
.choice-name {
  font-weight: 700;
}
.choice-sub {
  color: var(--text-2);
  font-size: 0.8rem;
  line-height: 1.35;
}

/* ---- Member chips (memberpicker.js) ---- */
.member-picker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 6px;
  border-radius: var(--r-md);
  background: var(--surface-2);
  border: 1.5px solid var(--border);
  transition: border-color var(--dur-2), box-shadow var(--dur-2);
}
.member-picker:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-soft);
  background: var(--surface);
}
.member-chips {
  display: contents;
}
.member-picker input {
  flex: 1;
  min-width: 140px;
  min-height: 36px;
  padding: 4px 8px;
  border: 0;
  background: transparent;
  box-shadow: none !important;
}
.member-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 4px 3px 3px;
  border-radius: var(--r-full);
  background: var(--primary-soft);
  color: var(--primary-text);
  font-weight: 600;
  font-size: var(--fs-sm);
  animation: badgePop var(--dur-2) var(--ease-spring);
}
.member-chip-avatar.avatar {
  width: 24px;
  height: 24px;
  font-size: 0.7rem;
}
.member-chip-remove {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  color: inherit;
}
.member-chip-remove:hover {
  background: color-mix(in oklab, var(--primary) 20%, transparent);
}
.member-picker-hint {
  margin-top: 8px;
  font-size: var(--fs-sm);
  color: var(--text-3);
}
.member-picker-hint.error {
  color: var(--danger);
  font-weight: 600;
}

/* ---- Swatches ---- */
.theme-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.theme-swatch {
  position: relative;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  box-shadow: 0 0 0 3px var(--surface), 0 0 0 4px var(--border);
  transition: transform var(--dur-2) var(--ease-spring), box-shadow var(--dur-2);
}
.theme-swatch:hover {
  transform: scale(1.08);
}
.theme-swatch.selected,
.theme-swatch[aria-checked="true"] {
  box-shadow: 0 0 0 3px var(--surface), 0 0 0 5px var(--text);
}
.theme-swatch.selected::after,
.theme-swatch[aria-checked="true"]::after {
  content: "";
  position: absolute;
  inset: 13px 11px 15px;
  border-left: 3px solid #fff;
  border-bottom: 3px solid #fff;
  transform: rotate(-45deg);
}
.theme-swatch-label {
  position: absolute;
  top: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  color: var(--text-3);
  white-space: nowrap;
}

/* ---- Settings ---- */
.settings-modal .modal-content {
  width: min(100%, 720px);
  height: min(760px, calc(100dvh - 40px));
  padding: 0;
  overflow: hidden;
}
.settings-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 20px 8px 26px;
}
.settings-top h3 {
  font-size: 1.5rem;
}
.settings-tabs {
  display: flex;
  gap: 4px;
  padding: 0 20px 12px;
  border-bottom: 1px solid var(--divider);
  overflow-x: auto;
  scrollbar-width: none;
}
.settings-tabs [role="tab"] {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 38px;
  padding: 0 14px;
  border-radius: var(--r-full);
  color: var(--text-2);
  font-weight: 600;
  font-size: var(--fs-sm);
  transition: background-color var(--dur-2) var(--ease), color var(--dur-2);
}
.settings-tabs [role="tab"]:hover {
  background: var(--surface-hover);
  color: var(--text);
}
.settings-tabs [role="tab"][aria-selected="true"] {
  background: var(--text);
  color: var(--surface);
}
.settings-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 8px 26px 20px;
}
.settings-panel {
  animation: rowIn var(--dur-2) var(--ease-out);
}
.settings-section {
  padding: 18px 0;
  border-bottom: 1px solid var(--divider);
}
.settings-section:last-child {
  border-bottom: 0;
}
.settings-section.two-col {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
}
.settings-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 52px;
  padding: 6px 0;
  cursor: pointer;
}
.settings-toggle > span {
  display: grid;
  gap: 2px;
}
.settings-toggle strong {
  font-weight: 600;
}
.settings-toggle small {
  color: var(--text-3);
  font-size: 0.8rem;
  line-height: 1.35;
}
.settings-row {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 12px;
  margin: 0 -12px;
  width: calc(100% + 24px);
  border-radius: var(--r-md);
  text-align: left;
  transition: background-color var(--dur-1) var(--ease);
}
.settings-row:hover {
  background: var(--surface-hover);
}
.settings-row > [data-icon] {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--surface-3);
  color: var(--text-2);
}
.settings-row > span:last-child {
  display: grid;
}
.settings-row small {
  color: var(--text-3);
  font-size: 0.8rem;
}
.notify-status {
  margin-top: 10px;
  color: var(--text-2);
  font-size: var(--fs-sm);
  line-height: 1.5;
}
.notify-status:empty {
  display: none;
}
.notify-status.ok {
  color: var(--success);
  font-weight: 600;
}
.notify-status.warn {
  color: var(--warning);
  font-weight: 600;
}
.settings-section .mini-btn {
  margin-top: 12px;
}
.wallpaper-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.danger-zone .danger-btn {
  width: auto;
}
.settings-more {
  padding: 6px 0;
}
.settings-more summary {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 48px;
  cursor: pointer;
  font-weight: 700;
  color: var(--text-2);
  list-style: none;
}
.settings-more summary::-webkit-details-marker {
  display: none;
}
.settings-more summary::after {
  content: "";
  width: 8px;
  height: 8px;
  margin-left: 4px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--dur-2) var(--ease);
}
.settings-more[open] summary::after {
  transform: rotate(225deg) translateY(-2px);
}
.settings-footer {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 20px calc(14px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--divider);
  background: var(--surface);
}

/* Looks: one tap for theme + accent. Each card is a tiny live render. */
.look-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.look-card {
  display: grid;
  gap: 6px;
  padding: 6px 6px 8px;
  border-radius: var(--r-lg);
  border: 2px solid var(--border);
  background: var(--surface);
  text-align: left;
  font-size: var(--fs-sm);
  font-weight: 650;
  color: var(--text);
  transition: border-color var(--dur-2) var(--ease), transform var(--dur-2) var(--ease);
}
.look-card:hover {
  transform: translateY(-2px);
}
.look-card[aria-pressed="true"] {
  border-color: var(--text);
}
.look-card > span:last-child {
  padding-left: 4px;
}
.look-swatch {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 4px;
  height: 74px;
  padding: 8px;
  border-radius: 12px;
  overflow: hidden;
  background: var(--lk-bg);
}
.look-swatch::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(70% 70% at 90% 0%, color-mix(in oklab, var(--lk-accent) 45%, transparent), transparent 70%);
}
.look-swatch i {
  position: relative;
  height: 12px;
  border-radius: 7px;
}
.look-swatch i:first-child {
  width: 58%;
  background: var(--lk-in);
}
.look-swatch i:last-child {
  width: 46%;
  align-self: flex-end;
  background: var(--lk-accent);
}

/* Wallpaper gallery. */
.wp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(92px, 1fr));
  gap: 10px;
}
.wp-tile {
  display: grid;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-2);
  text-align: center;
}
.wp-thumb {
  display: grid;
  place-items: center;
  height: 118px;
  border-radius: 14px;
  border: 2px solid var(--border);
  background: var(--surface-2) center / cover no-repeat;
  color: var(--text-3);
  transition: border-color var(--dur-2) var(--ease), transform var(--dur-2) var(--ease);
}
.wp-tile:hover .wp-thumb {
  transform: translateY(-2px);
}
.wp-tile.selected .wp-thumb {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}
.wp-tile.selected {
  color: var(--text);
}
.wp-thumb.pat-doodle {
  background-color: var(--surface-2);
  background-image: none;
  position: relative;
  overflow: hidden;
}
.wp-thumb.pat-doodle::before {
  content: "";
  position: absolute;
  inset: 0;
  background-color: var(--wp-ink);
  -webkit-mask: url("../doodle.svg") 0 0 / 150px repeat;
  mask: url("../doodle.svg") 0 0 / 150px repeat;
  opacity: var(--wp-alpha);
}
.wp-thumb.pat-dots {
  background-image: radial-gradient(color-mix(in oklab, var(--wp-ink) 22%, transparent) 1.3px, transparent 1.4px);
  background-size: 12px 12px;
}

/* Live preview of the appearance choices. */
.appearance-preview {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 14px 0 4px;
  padding: 16px;
  border-radius: var(--r-lg);
  background: var(--surface-2);
  border: 1px solid var(--border);
}
.ap-msg {
  max-width: 70%;
  padding: 8px 12px;
  border-radius: var(--bubble-r);
  font-family: var(--chat-font);
  font-size: var(--chat-text);
  transition: border-radius var(--dur-2) var(--ease), background-color var(--dur-2), font-size var(--dur-2);
}
.ap-msg.in {
  align-self: flex-start;
  background: var(--bubble-in);
  border: 1px solid var(--bubble-in-border);
  border-bottom-left-radius: var(--bubble-r-tight);
}
.ap-msg.out {
  align-self: flex-end;
  background: var(--bubble-out);
  color: var(--bubble-out-text);
  border-bottom-right-radius: var(--bubble-r-tight);
}

/* ---- Profile ---- */
.profile-avatar-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 8px 0 10px;
}
.profile-avatar.avatar {
  width: 80px;
  height: 80px;
  font-size: 1.8rem;
  box-shadow: var(--shadow-2);
}

/* ---- Folders ---- */
.folder-icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(44px, 1fr));
  gap: 6px;
  margin-bottom: 10px;
}
.folder-icon-choice {
  display: grid;
  place-items: center;
  height: 44px;
  border-radius: var(--r-sm);
  background: var(--surface-2);
  border: 1.5px solid var(--border);
  color: var(--text-2);
}
.folder-icon-choice.selected {
  border-color: var(--primary);
  background: var(--primary-soft);
  color: var(--primary-text);
}
.folder-chip-icon {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: var(--surface-3);
}

/* ---- About ---- */
.about-content .settings-body {
  padding: 0;
}
.about-list {
  display: grid;
  gap: 8px;
  padding-left: 18px;
  color: var(--text-2);
  font-size: var(--fs-sm);
  line-height: 1.55;
}
.about-list strong {
  color: var(--text);
}
.shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  font-size: var(--fs-sm);
  border-bottom: 1px solid var(--divider);
}

/* ---- PIN ---- */
.pin-content {
  text-align: center;
  align-items: center;
}
.pin-content .modal-buttons {
  justify-content: center;
  width: 100%;
}
.pin-content .otp-input {
  max-width: 260px;
}
.pin-content .auth-switch {
  margin-top: 12px;
}

/* ---- Map ---- */
.map-content {
  width: min(100%, 640px);
}
.map-canvas {
  height: 340px;
  margin: 10px 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface-3);
}

/* ---- Confirm (chatinfo.js confirmDelete) ---- */
.confirm-content {
  width: min(100%, 420px);
}
.confirm-body {
  margin-top: 8px;
  color: var(--text-2);
  line-height: 1.55;
}

/* ---- Image viewer ---- */
.image-viewer {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: grid;
  place-items: center;
  background: rgba(8, 6, 12, 0.94);
  animation: fadeIn var(--dur-2) var(--ease);
}
.viewer-bar {
  position: absolute;
  top: calc(14px + env(safe-area-inset-top));
  right: 14px;
  display: flex;
  gap: 8px;
}
.viewer-bar button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 42px;
  padding: 0 16px;
  border-radius: var(--r-full);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-weight: 600;
}
.viewer-bar button:hover {
  background: rgba(255, 255, 255, 0.22);
}
.viewer-img {
  max-width: 94vw;
  max-height: 86vh;
  border-radius: var(--r-md);
  object-fit: contain;
  cursor: zoom-in;
  transition: transform var(--dur-3) var(--ease);
  animation: dialogIn var(--dur-3) var(--ease-out);
}
.viewer-img.zoomed {
  transform: scale(1.8);
  cursor: zoom-out;
}

/* ---- Welcome tour (tour.js) ---- */
.tour-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: grid;
  place-items: center;
  padding: 20px;
  background: var(--overlay);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  animation: fadeIn var(--dur-2) var(--ease);
}
.tour-overlay.tour-out {
  animation: fadeOut 0.22s var(--ease) forwards;
}
.tour-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: min(100%, 420px);
  padding: 32px 28px 22px;
  border-radius: var(--r-xl);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-3);
  text-align: center;
}
.tour-pop {
  animation: dialogIn var(--dur-3) var(--ease-spring);
}
.tour-icon {
  display: grid;
  place-items: center;
  width: 68px;
  height: 68px;
  border-radius: 22px;
  background: var(--grad);
  color: #fff;
  box-shadow: 0 12px 26px -10px color-mix(in oklab, var(--primary) 80%, transparent);
}
.tour-title {
  margin-top: 18px;
  font-size: 1.5rem;
}
.tour-body {
  margin-top: 10px;
  color: var(--text-2);
  line-height: 1.6;
  min-height: 5.2em;
}
.tour-dots {
  display: flex;
  gap: 6px;
  margin: 18px 0;
}
.tour-dot {
  width: 7px;
  height: 7px;
  border-radius: var(--r-full);
  background: var(--border-strong);
  transition: width var(--dur-2) var(--ease), background-color var(--dur-2);
}
.tour-dot.on {
  width: 22px;
  background: var(--primary);
}
.tour-buttons {
  display: flex;
  gap: 10px;
  width: 100%;
}
.tour-buttons > * {
  flex: 1;
}
.tour-skip {
  margin-top: 12px;
  padding: 6px 12px;
  border-radius: var(--r-full);
  color: var(--text-3);
  font-size: var(--fs-sm);
  font-weight: 600;
}
.tour-skip:hover {
  color: var(--text);
}

/* ---- Calls ---- */
.call-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-call);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: calc(64px + env(safe-area-inset-top)) 24px calc(40px + env(safe-area-inset-bottom));
  color: #fff;
  background:
    radial-gradient(60% 50% at 50% 20%, color-mix(in oklab, var(--primary) 45%, transparent), transparent 70%),
    #0b0a0f;
  animation: fadeIn var(--dur-3) var(--ease);
}
.call-remote {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: none;
}
.call-overlay.video-call .call-remote {
  display: block;
}
.call-local {
  position: absolute;
  top: calc(18px + env(safe-area-inset-top));
  right: 18px;
  z-index: 2;
  width: min(28vw, 180px);
  aspect-ratio: 3 / 4;
  border-radius: var(--r-lg);
  object-fit: cover;
  background: #222;
  box-shadow: var(--shadow-3);
  border: 2px solid rgba(255, 255, 255, 0.4);
}
.call-identity {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  gap: 10px;
  text-align: center;
}
.call-identity h2 {
  color: #fff;
  font-size: 1.8rem;
}
.call-avatar.avatar {
  width: 128px;
  height: 128px;
  font-size: 3rem;
  box-shadow: 0 0 0 10px rgba(255, 255, 255, 0.06), 0 0 0 22px rgba(255, 255, 255, 0.03);
  animation: callPulse 2.2s ease-in-out infinite;
}
@keyframes callPulse {
  50% {
    box-shadow: 0 0 0 16px rgba(255, 255, 255, 0.08), 0 0 0 34px rgba(255, 255, 255, 0.03);
  }
}
.call-overlay.video-call .call-identity {
  display: none;
}
.call-status {
  color: rgba(255, 255, 255, 0.75);
  font-weight: 600;
}
.call-controls,
.call-answer-row {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 22px;
  padding: 12px 18px;
  border-radius: var(--r-full);
  background: rgba(255, 255, 255, 0.08);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
}
.call-btn {
  display: grid;
  place-items: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  transition: transform var(--dur-1) var(--ease), background-color var(--dur-2);
}
.call-btn:hover {
  background: rgba(255, 255, 255, 0.26);
}
.call-btn:active {
  transform: scale(0.92);
}
.call-btn.off {
  background: #fff;
  color: #15121c;
}
.call-btn.danger {
  background: #e5484d;
}
.call-btn.accept {
  background: #22b573;
}

/* ---------------------------------------------------------------------------
   Phones: dialogs become bottom sheets.
   ------------------------------------------------------------------------- */
@media (max-width: 600px) {
  .modal {
    place-items: end stretch;
    padding: 0;
  }
  .modal-content,
  .modal-content.narrow,
  .settings-modal .modal-content,
  .confirm-content,
  .map-content {
    width: 100%;
    max-height: calc(100dvh - 24px);
    border-radius: 26px 26px 0 0;
    border-bottom: 0;
    padding: 22px 18px calc(18px + env(safe-area-inset-bottom));
    animation: sheetIn var(--dur-3) var(--ease-out);
  }
  .modal-content::before {
    content: "";
    align-self: center;
    flex: none;
    width: 40px;
    height: 4px;
    margin: -10px 0 12px;
    border-radius: 4px;
    background: var(--border-strong);
  }
  .settings-modal .modal-content {
    height: calc(100dvh - 24px);
    padding: 0;
  }
  .settings-modal .modal-content::before {
    margin: 8px auto 0;
  }
  .settings-top {
    padding: 8px 12px 6px 20px;
  }
  .settings-tabs {
    padding: 0 12px 10px;
  }
  .settings-tabs [role="tab"] {
    padding: 0 12px;
  }
  .settings-body {
    padding: 4px 18px 16px;
  }
  .modal-buttons {
    flex-direction: column-reverse;
  }
  .modal-buttons > * {
    width: 100%;
  }
  .choice-row {
    grid-template-columns: 1fr;
  }
  .look-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .choice-card {
    flex-direction: row;
    align-items: center;
    gap: 14px;
  }
  .choice-card .choice-icon {
    margin: 0;
  }
  .choice-card .choice-sub {
    margin-left: auto;
    text-align: right;
  }
  .pin-content .modal-buttons {
    flex-direction: column-reverse;
  }
  .call-btn {
    width: 56px;
    height: 56px;
  }
}
@keyframes sheetIn {
  from {
    transform: translateY(40px);
    opacity: 0.4;
  }
}

/* Turnstile bot check (src/captcha.js): invisible for most people; when a
   visitor must interact, it sits in the middle of the screen. */
.captcha-box {
  position: fixed;
  left: 50%;
  top: 50%;
  z-index: 10000;
  transform: translate(-50%, -50%);
}
.captcha-box:empty {
  pointer-events: none;
}

/* Date of birth on sign-up, and the age wall (src/age-gate.js). */
.birth-row {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 10px;
}
/* Month and year look like every other field (base.css only styles text
   inputs), with a drawn arrow and no number spinners. */
.birth-row select,
.birth-row input,
.age-wall-row select,
.age-wall-row input {
  width: 100%;
  min-height: 48px;
  padding: 12px 16px;
  background: var(--surface-2);
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  color: var(--text);
  font-size: 1rem;
  transition: border-color var(--dur-2) var(--ease), background-color var(--dur-2) var(--ease), box-shadow var(--dur-2) var(--ease);
}
.birth-row select,
.age-wall-row select {
  appearance: none;
  padding-right: 36px;
  background-image: linear-gradient(45deg, transparent 50%, var(--text-3) 50%), linear-gradient(135deg, var(--text-3) 50%, transparent 50%);
  background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
}
.birth-row select:invalid,
.age-wall-row select:invalid {
  color: var(--text-3);
}
.birth-row option,
.age-wall-row option {
  color: var(--text);
  background: var(--surface);
}
.birth-row select:hover,
.birth-row input:hover,
.age-wall-row select:hover,
.age-wall-row input:hover {
  border-color: var(--border-strong);
}
.birth-row select:focus,
.birth-row input:focus,
.age-wall-row select:focus,
.age-wall-row input:focus {
  outline: none;
  border-color: var(--primary);
  background-color: var(--surface);
  box-shadow: 0 0 0 4px var(--primary-soft);
}
.birth-row input[type="number"],
.age-wall-row input[type="number"] {
  appearance: textfield;
  -moz-appearance: textfield;
}
.birth-row input[type="number"]::-webkit-inner-spin-button,
.birth-row input[type="number"]::-webkit-outer-spin-button,
.age-wall-row input[type="number"]::-webkit-inner-spin-button,
.age-wall-row input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.age-wall {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: grid;
  place-items: center;
  padding: 16px;
  background: color-mix(in srgb, var(--bg, #070b16) 92%, transparent);
  backdrop-filter: blur(6px);
}
.age-wall-card {
  display: grid;
  gap: 14px;
  width: min(440px, 100%);
  padding: 26px;
  border-radius: 18px;
  background: var(--surface, #111827);
  color: var(--text, #eef0fa);
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.6);
}
.age-wall-card h2 {
  margin: 0;
  font-size: 22px;
}
.age-wall-card p {
  margin: 0;
  color: var(--text-2, #b3bad5);
}
.age-wall-row {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 10px;
}
.age-wall-msg {
  min-height: 1em;
  color: var(--danger, #ff8f80) !important;
}