/* ScanPay UI Redesign Layer (non-breaking overrides) */

:root {
  --container-max: 1120px;
  --gutter: 18px;
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --shadow-soft: 0 12px 40px rgba(0, 0, 0, 0.28);
  --shadow-card: 0 10px 28px rgba(0, 0, 0, 0.22);
  --bg-glass: color-mix(in srgb, var(--bg1) 86%, transparent);
}

html,
body {
  background:
    radial-gradient(1200px 480px at 50% -120px, color-mix(in srgb, var(--bl5) 18%, transparent), transparent 58%),
    linear-gradient(180deg, var(--bg), var(--bg1));
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  color: var(--w92);
  line-height: 1.35;
  min-height: 100dvh;
  font-variant-ligatures: none;
}

button,
input,
textarea,
select {
  font: inherit;
  letter-spacing: inherit;
}

input,
textarea,
select {
  -webkit-appearance: none;
  appearance: none;
}

/* Cross-platform visual normalization (iOS == Android) */
:root {
  --ui-blur: 24px;
  --ui-sat: 1.3;
}

.header,
.tab-bar-inner,
.sheet-overlay,
.modal-overlay,
#cameraScanner .scanner-hint,
#cameraScanner .scanner-close,
#cameraScanner .scanner-torch-btn {
  -webkit-backdrop-filter: blur(var(--ui-blur)) saturate(var(--ui-sat));
  backdrop-filter: blur(var(--ui-blur)) saturate(var(--ui-sat));
}

[data-platform="android"] {
  --ui-blur: 20px;
  --ui-sat: 1.2;
}

[data-platform="android"] .tab-item-text,
[data-platform="android"] .quick-label,
[data-platform="android"] .pm-name,
[data-platform="android"] .section-title,
[data-platform="android"] .btn-primary-inner {
  letter-spacing: 0.01em;
}

[data-platform="android"] .tab-bar {
  padding-bottom: max(env(safe-area-inset-bottom), 10px);
}

[data-platform="android"] .header,
[data-platform="android"] .tab-bar-inner,
[data-platform="android"] .sheet,
[data-platform="android"] .modal-content {
  border-color: color-mix(in srgb, var(--w08) 90%, transparent) !important;
}

[data-platform="android"] .screen {
  padding-bottom: 124px !important;
}

[data-platform="android"] .sheet {
  max-height: 92dvh;
}

@supports not ((backdrop-filter: blur(2px)) or (-webkit-backdrop-filter: blur(2px))) {
  .header,
  .tab-bar-inner,
  .sheet-overlay,
  .modal-overlay,
  #cameraScanner .scanner-hint,
  #cameraScanner .scanner-close,
  #cameraScanner .scanner-torch-btn {
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
  }
}

.ambient {
  opacity: 0.35 !important;
  filter: blur(30px) saturate(1.15);
}

.app {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-inline: clamp(12px, 2vw, 22px);
}

.header {
  position: sticky;
  top: 0;
  z-index: 70;
  margin-top: 10px;
  padding: 14px 16px;
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--bg2) 82%, transparent);
  border: 1px solid var(--w08);
  backdrop-filter: blur(22px) saturate(1.2);
  box-shadow: var(--shadow-soft);
}

.logo-mark svg {
  filter: drop-shadow(0 8px 18px color-mix(in srgb, var(--bl5) 28%, transparent));
}

.logo-text {
  font-size: clamp(20px, 2.2vw, 26px) !important;
  letter-spacing: -0.02em;
}

.screen {
  padding: 14px 2px 120px !important;
}

.balance-card,
.card,
.ref-link-card,
.ref-earnings,
.ref-rates,
.profile-info,
.profile-menu,
.stats-card,
.filters-row,
.filter-params,
.shop-card,
.chat-modal,
.info-modal,
.lootbox-modal {
  border-radius: var(--radius-xl) !important;
  border: 1px solid var(--w08) !important;
  background: color-mix(in srgb, var(--bg2) 88%, transparent) !important;
  box-shadow: var(--shadow-card) !important;
}

.balance-card {
  padding: clamp(18px, 2.5vw, 28px) !important;
  background:
    linear-gradient(150deg, color-mix(in srgb, var(--bg2) 86%, transparent), color-mix(in srgb, var(--bg3) 90%, transparent)),
    radial-gradient(460px 210px at 92% -10%, color-mix(in srgb, var(--bl5) 26%, transparent), transparent 60%) !important;
}

.balance-label-text {
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.bal-int {
  font-size: clamp(34px, 5vw, 56px) !important;
  letter-spacing: -0.03em;
}

.bal-dec,
.bal-curr {
  font-size: clamp(20px, 2.6vw, 30px) !important;
}

.twin-btns {
  gap: 12px !important;
}

.twin-btn,
.btn-primary,
.btn-ghost,
.filter-apply,
.filter-clear,
.section-action,
.ref-copy-btn,
.shop-open-btn {
  min-height: 46px;
  border-radius: 14px !important;
  font-weight: 700 !important;
  letter-spacing: 0.01em;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.twin-btn:active,
.btn-primary:active,
.btn-ghost:active,
.quick-item:active,
.profile-menu-item:active {
  transform: translateY(1px) scale(0.99);
}

.btn-primary,
.twin-btn-primary,
.filter-apply,
.shop-open-btn {
  background: linear-gradient(140deg, var(--bl5), var(--bl7)) !important;
  border: 1px solid color-mix(in srgb, var(--bl5) 70%, #ffffff 6%) !important;
  box-shadow: 0 8px 22px color-mix(in srgb, var(--bl5) 34%, transparent);
}

.btn-ghost,
.twin-btn-secondary,
.filter-clear,
.section-action {
  background: color-mix(in srgb, var(--bg3) 90%, transparent) !important;
  border: 1px solid var(--w08) !important;
}

.qr-banner {
  border-radius: var(--radius-xl) !important;
  border: 1px solid color-mix(in srgb, var(--bl5) 40%, transparent) !important;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--bg2) 90%, transparent), color-mix(in srgb, var(--bg4) 90%, transparent)),
    radial-gradient(360px 160px at 100% 0, color-mix(in srgb, var(--bl5) 22%, transparent), transparent 64%) !important;
}

.quick-grid {
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)) !important;
  gap: 12px !important;
}

.quick-item,
.stats-card,
.ref-level-card,
.profile-stat {
  border-radius: var(--radius-lg) !important;
  border: 1px solid var(--w08) !important;
  background: color-mix(in srgb, var(--bg3) 84%, transparent) !important;
}

.quick-icon,
.pm-icon,
.profile-avatar {
  border-radius: 14px !important;
}

.section {
  margin-top: 14px !important;
}

.section-title {
  font-size: clamp(16px, 2.2vw, 20px) !important;
  letter-spacing: -0.01em;
}

.tx-row,
.shop-card,
.profile-menu-item {
  border-radius: 16px !important;
  border: 1px solid var(--w08);
  background: color-mix(in srgb, var(--bg3) 84%, transparent);
  margin-bottom: 8px;
}

.tx-dot,
.pie-legend-dot {
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--bl5) 20%, transparent);
}

.filter-chip,
.stats-period-btn {
  border-radius: 999px !important;
  border: 1px solid var(--w08) !important;
  background: color-mix(in srgb, var(--bg3) 82%, transparent) !important;
}

.filter-chip.active,
.stats-period-btn.active {
  background: linear-gradient(130deg, var(--bl5), var(--bl7)) !important;
  color: #fff !important;
  border-color: transparent !important;
}

.filter-params input,
.form-input,
#chatInput {
  border-radius: 12px !important;
  border: 1px solid var(--w08) !important;
  background: color-mix(in srgb, var(--bg1) 82%, transparent) !important;
}

.tab-bar {
  background: transparent !important;
  border: 0 !important;
  padding-bottom: max(env(safe-area-inset-bottom), 10px);
}

.tab-bar-inner {
  max-width: 520px;
  margin: 0 auto;
  border-radius: 24px;
  border: 1px solid var(--w08);
  background: color-mix(in srgb, var(--bg2) 82%, transparent);
  backdrop-filter: blur(24px) saturate(1.3);
  box-shadow: var(--shadow-soft);
}

.tab-bar-inner {
  display: flex !important;
  justify-content: space-around;
  align-items: center;
  gap: 6px;
  padding: 8px 6px;
}

.tab-item {
  flex: 1;
  min-height: 54px;
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  color: var(--w50) !important;
  transition: all 0.22s var(--ease-premium, ease);
}

.tab-item .tab-icon-wrap {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tab-item .tab-icon-wrap svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
}

.tab-item .tab-item-text {
  font-size: 10px !important;
  font-weight: 700;
  opacity: 0.75;
}

.tab-item.active {
  color: var(--w92) !important;
  background: color-mix(in srgb, var(--bg3) 70%, transparent);
}

.tab-item.active .tab-item-text {
  opacity: 1;
}

.tab-item.active::before {
  content: none !important;
  display: none !important;
}

.tab-item-scan {
  color: var(--w70) !important;
}

.tab-item-scan:active {
  transform: scale(0.96);
}

.sheet-overlay,
.modal-overlay {
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, #000 50%, transparent) !important;
}

.sheet,
.modal-content {
  border-top-left-radius: 28px !important;
  border-top-right-radius: 28px !important;
  border: 1px solid var(--w08) !important;
  background: color-mix(in srgb, var(--bg2) 96%, transparent) !important;
}

.sheet-handle {
  width: 46px !important;
}

#loginScreen .pay-title {
  font-size: clamp(28px, 5vw, 46px) !important;
  letter-spacing: -0.03em;
}

#loginScreen .pay-subtitle {
  max-width: 560px;
  margin-inline: auto;
}

#loginScreen .form-input,
#loginScreen .btn-primary,
#loginScreen .btn-ghost,
#loginScreen .btn_install {
  max-width: 440px !important;
  margin-inline: auto;
}

.camera-scanner .scanner-frame {
  border-radius: 22px;
  border-width: 2px;
}

.toast {
  border-radius: 14px !important;
  border: 1px solid var(--w08);
  background: color-mix(in srgb, var(--bg2) 90%, transparent) !important;
}

@media (min-width: 920px) {
  .screen {
    padding-top: 22px !important;
  }

  #screenHome .quick-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr)) !important;
  }

  .stats-grid,
  .ref-levels,
  .profile-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    gap: 12px;
  }

  .filter-params {
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
  }
}

/* ===== Stage 2: Screen-level radical redesign (non-breaking) ===== */

/* HOME */
#screenHome {
  display: grid;
  gap: 14px;
}

#screenHome .balance-card {
  margin-bottom: 0 !important;
}

#screenHome .qr-banner {
  margin-top: 0 !important;
  padding: 18px !important;
}

#screenHome .qr-title {
  font-size: clamp(18px, 2.5vw, 24px) !important;
  font-weight: 800 !important;
  letter-spacing: -0.02em;
}

#screenHome .qr-desc {
  font-size: 13px !important;
  opacity: 0.9;
}

#screenHome .quick-item {
  min-height: 110px;
  justify-content: center;
  text-align: center;
  padding: 14px 10px !important;
}

#screenHome .quick-label {
  margin-top: 8px;
  font-size: 12px !important;
  font-weight: 700;
}

#screenHome #txListHome {
  padding: 8px !important;
}

/* HISTORY */
#screenHistory {
  display: grid;
  gap: 12px;
}

#screenHistory .filters-row {
  padding: 10px !important;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

#screenHistory .filters-row::-webkit-scrollbar {
  display: none;
}

#screenHistory .filter-chip {
  white-space: nowrap;
  padding-inline: 14px !important;
  font-size: 12px !important;
  font-weight: 700 !important;
}

#screenHistory .filter-params {
  padding: 14px !important;
  gap: 10px !important;
}

#screenHistory .filter-params label {
  font-size: 11px !important;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--w50) !important;
}

#screenHistory .filter-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

#screenHistory #txListAll {
  padding: 8px !important;
}

#screenHistory #historyCount {
  background: color-mix(in srgb, var(--bg3) 84%, transparent);
  border: 1px solid var(--w08);
  border-radius: 999px;
  padding: 5px 10px;
}

/* PROFILE */
#screenProfile {
  display: grid;
  gap: 12px;
}

#screenProfile .profile-section {
  border-radius: var(--radius-xl);
  border: 1px solid var(--w08);
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--bg2) 90%, transparent), color-mix(in srgb, var(--bg3) 92%, transparent)),
    radial-gradient(300px 140px at 0 -20%, color-mix(in srgb, var(--bl5) 18%, transparent), transparent 64%);
  box-shadow: var(--shadow-card);
  padding: 20px 16px;
}

#screenProfile .profile-avatar {
  width: 74px !important;
  height: 74px !important;
  margin-bottom: 12px !important;
  border: 1px solid color-mix(in srgb, var(--bl5) 46%, transparent);
  box-shadow: 0 10px 26px color-mix(in srgb, var(--bl5) 28%, transparent);
}

#screenProfile .profile-name {
  font-size: clamp(24px, 3.5vw, 34px) !important;
  font-weight: 800 !important;
  letter-spacing: -0.03em;
}

#screenProfile .profile-handle {
  font-size: 14px !important;
  color: var(--w70) !important;
}

#screenProfile .profile-stats {
  gap: 10px !important;
}

#screenProfile .profile-stat {
  padding: 14px 10px !important;
  text-align: center;
}

#screenProfile .profile-stat-val {
  font-size: clamp(20px, 2.2vw, 26px) !important;
  font-weight: 800 !important;
}

#screenProfile .profile-stat-label {
  font-size: 11px !important;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

#screenProfile .profile-info {
  padding: 8px !important;
}

#screenProfile .profile-info-row {
  padding: 12px 10px !important;
  border-bottom: 1px dashed var(--w08);
}

#screenProfile .profile-info-row:last-child {
  border-bottom: 0;
}

#screenProfile .profile-menu {
  padding: 8px !important;
}

#screenProfile .profile-menu-item {
  margin-bottom: 8px;
  padding: 12px !important;
}

#screenProfile .pm-name {
  font-weight: 750 !important;
}

#screenProfile .pm-desc {
  color: var(--w70) !important;
}

/* SETTINGS */
#screenSettings {
  display: grid;
  gap: 10px;
}

#screenSettings .profile-menu {
  margin: 10px 0 0 !important;
  padding: 10px !important;
}

#screenSettings .profile-menu-item {
  padding: 14px 12px !important;
  border-radius: 16px !important;
}

#screenSettings .pm-name {
  font-size: 15px !important;
  font-weight: 760 !important;
}

#screenSettings .pm-desc {
  font-size: 12px !important;
  color: var(--w70) !important;
  max-width: 90%;
}

#screenSettings .switch {
  transform: scale(1.05);
}

#screenSettings .slider {
  box-shadow: inset 0 0 0 1px var(--w08);
}

/* Global readability for operation lists */
.tx-name {
  font-weight: 700 !important;
  letter-spacing: -0.01em;
}

.tx-time,
.tx-sub {
  color: var(--w70) !important;
}

.tx-val {
  font-weight: 800 !important;
  letter-spacing: -0.01em;
}

@media (min-width: 920px) {
  #screenHome {
    grid-template-columns: 1.2fr 1fr;
    align-items: start;
  }

  #screenHome .balance-card,
  #screenHome .section,
  #screenHome .quick-grid,
  #screenHome .qr-banner {
    grid-column: 1;
  }

  #screenHome .section:last-child {
    grid-column: 2;
    grid-row: 1 / span 4;
    margin-top: 0 !important;
  }

  #screenProfile {
    grid-template-columns: 1fr 1.2fr;
    align-items: start;
  }

  #screenProfile .profile-section,
  #screenProfile .profile-stats,
  #screenProfile .profile-info {
    grid-column: 1;
  }

  #screenProfile .profile-menu,
  #screenProfile .profile-ver {
    grid-column: 2;
  }

  #screenHistory .filter-actions {
    grid-template-columns: 180px 180px;
    justify-content: end;
  }

  #screenSettings .profile-menu {
    max-width: 900px;
    margin-inline: auto !important;
  }
}

/* ===== Stage 3: Premium polish for sheets/modals/scanner/chat ===== */

.sheet-overlay {
  align-items: flex-end;
}

.sheet {
  width: min(100%, 560px) !important;
  margin: 0 auto;
  border-top-left-radius: 30px !important;
  border-top-right-radius: 30px !important;
  box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.22), 0 18px 42px rgba(0, 0, 0, 0.32) !important;
}

.sheet-body {
  padding: 8px 18px 20px !important;
}

.sheet .pay-center {
  margin-bottom: 16px !important;
}

.sheet .pay-icon {
  width: 68px;
  height: 68px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-size: 30px !important;
  margin: 0 auto 12px;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--bg3) 92%, transparent), color-mix(in srgb, var(--bg4) 90%, transparent)),
    radial-gradient(110px 70px at 100% 0, color-mix(in srgb, var(--bl5) 22%, transparent), transparent 68%);
  border: 1px solid var(--w08);
  box-shadow: 0 12px 24px color-mix(in srgb, var(--bl5) 22%, transparent);
}

.sheet .pay-title {
  font-size: clamp(22px, 3vw, 30px) !important;
  font-weight: 820 !important;
  letter-spacing: -0.02em;
}

.sheet .pay-subtitle {
  color: var(--w70) !important;
  font-size: 13px !important;
  max-width: 460px;
  margin-inline: auto;
}

.sheet .pay-amount-section,
.sheet .pay-details,
.sheet .info-box,
.sheet #depositAmountSection,
.sheet #depositMethodSelect,
.sheet #withdrawDetails {
  border-radius: 16px !important;
  border: 1px solid var(--w08);
  background: color-mix(in srgb, var(--bg3) 86%, transparent) !important;
  padding: 12px !important;
}

.sheet .pay-detail-row {
  padding: 8px 0;
}

.sheet .pay-detail-row + .pay-detail-row {
  border-top: 1px dashed var(--w08);
}

#paySheet #payAmountRub {
  font-size: clamp(30px, 4.5vw, 46px) !important;
  letter-spacing: -0.03em;
  font-weight: 850 !important;
}

#paySheet #payAmountUsdt {
  font-size: 18px !important;
}

#depositSheet #depositAmount,
#withdrawSheet #withdrawAmount,
#linkPaymentSheet #linkUrl,
#calcSheet #calcRub,
#calcSheet #calcUsdt {
  font-size: 20px !important;
  font-weight: 700 !important;
}

#photoPaymentSheet .btn-primary,
#linkPaymentSheet .btn-primary,
#calcSheet .btn-primary,
#depositSheet .btn-primary,
#withdrawSheet .btn-primary,
#paySheet .btn-primary {
  margin-top: 8px;
}

#cameraScanner {
  background:
    radial-gradient(900px 360px at 50% -120px, color-mix(in srgb, var(--bl5) 14%, transparent), transparent 60%),
    #000 !important;
}

#cameraScanner .scanner-overlay {
  backdrop-filter: blur(1.5px);
}

#cameraScanner .scanner-frame {
  width: min(78vw, 360px) !important;
  height: min(78vw, 360px) !important;
  border: 2px solid color-mix(in srgb, var(--bl5) 72%, #fff 10%) !important;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08), 0 0 60px color-mix(in srgb, var(--bl5) 26%, transparent);
}

#cameraScanner .scanner-line {
  opacity: 0.95;
  box-shadow: 0 0 20px color-mix(in srgb, var(--bl5) 60%, transparent);
}

#cameraScanner .scanner-hint {
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(0, 0, 0, 0.35);
  padding: 10px 14px;
  backdrop-filter: blur(6px);
}

#cameraScanner .scanner-close,
#cameraScanner .scanner-torch-btn {
  border-radius: 12px !important;
  border: 1px solid rgba(255, 255, 255, 0.22) !important;
  background: rgba(0, 0, 0, 0.4) !important;
  backdrop-filter: blur(8px);
}

#cameraErrorPanel {
  border-radius: 18px !important;
  border: 1px solid rgba(255, 255, 255, 0.2) !important;
  background: rgba(12, 12, 16, 0.88) !important;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
}

#modalChat {
  align-items: center;
}

#modalChat .chat-modal {
  width: min(100%, 560px) !important;
  max-height: min(82vh, 760px);
  margin: 0 auto;
  border-radius: 24px !important;
  overflow: hidden;
}

#modalChat .modal-header {
  position: sticky;
  top: 0;
  z-index: 2;
  background: color-mix(in srgb, var(--bg2) 92%, transparent);
  border-bottom: 1px solid var(--w08);
  padding: 14px 16px !important;
}

#modalChat .modal-title {
  font-size: 18px !important;
  letter-spacing: -0.01em;
}

#modalChat .chat-messages {
  padding: 12px !important;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--bg2) 86%, transparent), color-mix(in srgb, var(--bg1) 94%, transparent));
}

#modalChat .msg {
  border-radius: 14px !important;
  border: 1px solid var(--w08);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.16);
}

#modalChat .msg.user {
  background: linear-gradient(140deg, var(--bl5), var(--bl7)) !important;
  border-color: color-mix(in srgb, var(--bl5) 70%, transparent);
}

#modalChat .msg.support {
  background: color-mix(in srgb, var(--bg3) 92%, transparent) !important;
}

#modalChat .chat-input-area {
  border-top: 1px solid var(--w08);
  padding: 10px 12px max(10px, env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--bg2) 92%, transparent);
}

#modalChat #chatInput {
  min-height: 44px;
  border-radius: 12px !important;
}

#modalChat #sendMessageBtn {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--bl5) 68%, transparent);
  background: linear-gradient(140deg, var(--bl5), var(--bl7));
  box-shadow: 0 10px 18px color-mix(in srgb, var(--bl5) 34%, transparent);
}

#infoModal .info-modal,
#lootboxModal .lootbox-modal {
  width: min(94vw, 560px);
  margin: auto;
  border-radius: 24px !important;
  border: 1px solid var(--w08) !important;
}

#infoModal .modal-header,
#lootboxModal .modal-header {
  border-bottom: 1px solid var(--w08);
  padding: 14px 16px !important;
}

#infoModal .info-modal-body {
  padding: 12px 16px 16px !important;
}

#lootboxModal .lootbox-frame {
  border-radius: 14px;
  border: 1px solid var(--w08);
  background: color-mix(in srgb, var(--bg1) 90%, transparent);
}

@media (min-width: 920px) {
  .sheet-overlay {
    align-items: center;
    padding: 20px;
  }

  .sheet {
    border-radius: 26px !important;
  }

  #modalChat {
    align-items: center;
    padding: 20px;
  }

  #modalChat .chat-modal {
    border-radius: 24px !important;
    max-height: 78vh;
  }
}

/* ===== Stage 4: Premium micro-interactions (non-breaking) ===== */

:root {
  --ease-premium: cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes uiFloatIn {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes uiPulseRing {
  0% {
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--bl5) 34%, transparent);
  }
  100% {
    box-shadow: 0 0 0 16px transparent;
  }
}

@keyframes uiShimmer {
  0% {
    transform: translateX(-120%);
  }
  100% {
    transform: translateX(120%);
  }
}

@keyframes uiSuccessPop {
  0% {
    transform: scale(0.88);
    opacity: 0;
  }
  70% {
    transform: scale(1.04);
    opacity: 1;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes uiErrorShake {
  0%,
  100% {
    transform: translateX(0);
  }
  20% {
    transform: translateX(-4px);
  }
  40% {
    transform: translateX(4px);
  }
  60% {
    transform: translateX(-2px);
  }
  80% {
    transform: translateX(2px);
  }
}

@keyframes uiGlow {
  0%,
  100% {
    filter: drop-shadow(0 0 0 transparent);
  }
  50% {
    filter: drop-shadow(0 0 10px color-mix(in srgb, var(--bl5) 35%, transparent));
  }
}

.balance-card,
.qr-banner,
.quick-item,
.tx-row,
.profile-menu-item,
.sheet,
.modal-content {
  animation: uiFloatIn 0.35s var(--ease-premium);
}

@media (hover: hover) and (pointer: fine) {
  .quick-item,
  .profile-menu-item,
  .tx-row,
  .shop-card,
  .filter-chip,
  .stats-period-btn,
  .twin-btn,
  .btn-primary,
  .btn-ghost,
  .tab-item {
    transition: transform 0.22s var(--ease-premium), box-shadow 0.22s var(--ease-premium), border-color 0.22s ease, background 0.22s ease;
  }

  .quick-item:hover,
  .profile-menu-item:hover,
  .tx-row:hover,
  .shop-card:hover {
    transform: translateY(-2px);
    border-color: color-mix(in srgb, var(--bl5) 40%, var(--w08));
    box-shadow: 0 12px 22px rgba(0, 0, 0, 0.24);
  }

  .twin-btn:hover,
  .btn-primary:hover,
  .btn-ghost:hover,
  .filter-chip:hover,
  .stats-period-btn:hover,
  .tab-item:hover {
    transform: translateY(-1px);
  }

  .tab-qr .tab-qr-inner:hover {
    animation: uiGlow 1.5s ease-in-out infinite;
  }
}

.btn-primary:focus-visible,
.btn-ghost:focus-visible,
.twin-btn:focus-visible,
.form-input:focus-visible,
.filter-chip:focus-visible,
.stats-period-btn:focus-visible,
.tab-item:focus-visible,
#chatInput:focus-visible {
  outline: 0;
  border-color: color-mix(in srgb, var(--bl5) 60%, var(--w08)) !important;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--bl5) 26%, transparent) !important;
}

.btn-primary:active,
.btn-ghost:active,
.twin-btn:active,
.filter-chip:active,
.stats-period-btn:active {
  transform: translateY(1px) scale(0.985);
}

.btn-primary[disabled],
.btn-red[disabled],
button[aria-busy="true"] {
  cursor: wait;
  opacity: 0.8;
  filter: saturate(0.88);
}

button[aria-busy="true"]::after,
.btn-primary[disabled]::after {
  content: "";
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-left: 8px;
  border-radius: 999px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  animation: spin 0.7s linear infinite;
  vertical-align: -2px;
}

.empty-state,
.chat-notice {
  position: relative;
  overflow: hidden;
}

.empty-state::before,
.chat-notice::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 20%, color-mix(in srgb, var(--w08) 70%, transparent) 50%, transparent 80%);
  animation: uiShimmer 1.6s ease-in-out infinite;
  pointer-events: none;
}

#processingOverlay .proc-ring {
  animation: spin 0.9s linear infinite, uiPulseRing 1.8s ease-out infinite;
}

#successOverlay .proc-ring,
#successOverlay .proc-title,
#successOverlay .proc-desc {
  animation: uiSuccessPop 0.35s var(--ease-premium);
}

#errorOverlay .proc-ring,
#errorOverlay .proc-title,
#errorOverlay .proc-desc {
  animation: uiErrorShake 0.34s ease-out;
}

#successOverlay .proc-ring-ok {
  box-shadow: 0 0 0 8px color-mix(in srgb, var(--grn) 22%, transparent);
}

#errorOverlay .proc-ring-err {
  box-shadow: 0 0 0 8px color-mix(in srgb, var(--red) 20%, transparent);
}

.toast {
  transform-origin: center bottom;
}

.toast.show,
.toast[style*="display: flex"],
.toast[style*="display:flex"] {
  animation: uiFloatIn 0.25s var(--ease-premium);
}

.loading-dots span {
  animation-timing-function: var(--ease-premium) !important;
}

/* ===== Stage 5: Final performance polish ===== */

/* Reduce rendering cost for hidden/non-active content */
.screen {
  content-visibility: auto;
  contain-intrinsic-size: 900px;
}

/* Improve paint containment on expensive blocks */
.balance-card,
.qr-banner,
.card,
.tx-row,
.quick-item,
.profile-menu-item,
.sheet,
.modal-content,
.tab-bar-inner {
  contain: layout paint;
}

/* Backdrop-filter fallback for browsers/devices with weaker support */
@supports not ((backdrop-filter: blur(2px)) or (-webkit-backdrop-filter: blur(2px))) {
  .header,
  .tab-bar-inner,
  .sheet-overlay,
  .modal-overlay,
  #cameraScanner .scanner-hint,
  #cameraScanner .scanner-close,
  #cameraScanner .scanner-torch-btn {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }

  .header,
  .tab-bar-inner,
  .sheet,
  .modal-content {
    background: color-mix(in srgb, var(--bg2) 96%, transparent) !important;
  }
}

/* Mobile + slow update channels: reduce visual heavy effects */
@media (max-width: 820px), (update: slow) {
  html,
  body {
    background: linear-gradient(180deg, var(--bg), var(--bg1));
  }

  .ambient {
    opacity: 0.2 !important;
    filter: blur(16px) saturate(1.02);
  }

  .header,
  .tab-bar-inner {
    backdrop-filter: blur(14px) saturate(1.08);
    -webkit-backdrop-filter: blur(14px) saturate(1.08);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  }

  .sheet,
  .modal-content,
  .balance-card,
  .card,
  .tx-row,
  .quick-item,
  .profile-menu-item,
  .shop-card {
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18) !important;
  }

  .sheet .pay-icon,
  .tab-qr .tab-qr-inner,
  #cameraScanner .scanner-frame,
  #cameraScanner .scanner-line {
    box-shadow: none !important;
  }

  .empty-state::before,
  .chat-notice::before {
    animation-duration: 2.4s;
    opacity: 0.7;
  }

  .balance-card,
  .qr-banner,
  .quick-item,
  .tx-row,
  .profile-menu-item,
  .sheet,
  .modal-content {
    animation-duration: 0.24s;
  }
}

/* Very small devices: simplify effects further */
@media (max-width: 420px) {
  .header,
  .tab-bar-inner,
  .sheet,
  .modal-content,
  .balance-card,
  .card {
    border-radius: 16px !important;
  }

  .sheet,
  .modal-content,
  .tx-row,
  .quick-item,
  .profile-menu-item {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.14) !important;
  }

  .sheet .pay-icon {
    width: 58px;
    height: 58px;
    font-size: 26px !important;
  }
}

/* Critical compatibility fix: preserve tab/screen navigation logic */
.screen:not(.active) {
  display: none !important;
}

.screen.active {
  display: block !important;
}

#screenHome.active,
#screenHistory.active,
#screenProfile.active,
#screenSettings.active {
  display: grid !important;
}

/* ===== Emergency cross-device consistency patch (iPhone baseline) ===== */
html,
body {
  width: 100%;
  overflow-x: hidden;
}

.app {
  width: 100%;
  max-width: 420px !important;
  margin: 0 auto !important;
  padding-inline: 0 !important;
  padding-bottom: 104px !important;
}

.header,
.tab-bar-inner {
  max-width: 420px !important;
  margin-left: auto !important;
  margin-right: auto !important;
}

.screen {
  display: none !important;
  padding: 0 0 122px !important;
}

.screen.active,
#screenHome.active,
#screenHistory.active,
#screenProfile.active,
#screenSettings.active {
  display: block !important;
}

.section,
.filters-row,
.filter-params,
.filter-actions,
.profile-menu,
.profile-info,
.profile-stats,
.ref-link-card,
.ref-earnings,
.ref-rates,
.stats-grid {
  margin-left: 16px !important;
  margin-right: 16px !important;
}

.card,
.balance-card,
.qr-banner,
.profile-section,
.profile-menu,
.profile-info,
.ref-link-card,
.ref-earnings,
.ref-rates,
.filters-row,
.filter-params {
  border-radius: 18px !important;
}

/* History section stabilization */
#screenHistory .filters-row {
  display: flex !important;
  gap: 8px !important;
  margin-top: 14px !important;
  padding: 2px 2px 6px !important;
  overflow-x: auto;
  overflow-y: hidden;
  white-space: nowrap;
}

#screenHistory .filter-chip {
  flex: 0 0 auto;
  min-height: 36px;
  padding: 8px 12px !important;
  font-size: 12px !important;
  line-height: 1;
}

#screenHistory .filter-params {
  display: grid !important;
  grid-template-columns: 1fr 1fr !important;
  gap: 10px !important;
  padding: 12px !important;
}

#screenHistory .filter-params > div {
  min-width: 0;
}

#screenHistory .filter-params input {
  width: 100%;
  min-height: 40px;
}

#screenHistory .filter-actions {
  display: flex !important;
  gap: 10px !important;
  margin-top: 0 !important;
  margin-bottom: 12px !important;
}

#screenHistory .filter-actions button {
  flex: 1;
  min-height: 42px;
}

#screenHistory .section {
  margin-top: 8px !important;
}

/* Bottom tab unified look */
.tab-bar {
  padding-bottom: max(env(safe-area-inset-bottom), 8px) !important;
}

.tab-bar-inner {
  height: 62px !important;
  border-radius: 20px !important;
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important;
  gap: 4px;
  padding: 6px !important;
}

.tab-item {
  min-height: 50px !important;
  gap: 4px !important;
}

.tab-item .tab-item-text {
  font-size: 10px !important;
}

/* Keep iPhone-like proportions on desktop/tablet */
@media (min-width: 768px) {
  .app,
  .header,
  .tab-bar-inner {
    max-width: 420px !important;
  }

  #screenHistory .filter-params {
    grid-template-columns: 1fr 1fr !important;
  }
}

/* Android should match iOS metrics */
[data-platform="android"] .app,
[data-platform="android"] .header,
[data-platform="android"] .tab-bar-inner {
  max-width: 420px !important;
}

[data-platform="android"] .screen {
  padding-bottom: 122px !important;
}

[data-platform="android"] .filter-chip,
[data-platform="android"] .tab-item-text,
[data-platform="android"] .section-title,
[data-platform="android"] .quick-label,
[data-platform="android"] .pm-name {
  letter-spacing: 0 !important;
}

/* Scroll recovery (Telegram WebView / Android / iOS) */
html,
body {
  height: auto !important;
  min-height: 100%;
  overflow-y: auto !important;
  overflow-x: hidden !important;
  -webkit-overflow-scrolling: touch;
}

body {
  overscroll-behavior-y: auto !important;
  touch-action: pan-y;
}

.app {
  position: relative !important;
  overflow: visible !important;
}

.screen {
  content-visibility: visible !important;
  contain-intrinsic-size: auto !important;
}

.screen.active {
  overflow: visible !important;
}

/* ensure fixed bottom bar doesn't eat page scrolling gestures */
.tab-bar {
  pointer-events: none;
}

.tab-bar-inner,
.tab-bar .tab-item,
.tab-bar .tab-item-scan,
.tab-bar button {
  pointer-events: auto;
}

/* Spacing + sticky header recovery */
.header {
  position: sticky !important;
  top: 0 !important;
  z-index: 120 !important;
}

/* global vertical rhythm to prevent blocks from sticking together */
.screen.active > * + * {
  margin-top: 12px;
}

/* keep native section rhythm */
.screen.active .section + .section {
  margin-top: 14px !important;
}

/* Home screen explicit gaps */
#screenHome .balance-card {
  margin-bottom: 14px !important;
}

#screenHome .qr-banner {
  margin-top: 0 !important;
  margin-bottom: 12px !important;
}

#screenHome .quick-grid {
  margin-top: 0 !important;
}

/* History controls spacing */
#screenHistory .filters-row {
  margin-bottom: 8px !important;
}

#screenHistory .filter-params {
  margin-top: 0 !important;
  margin-bottom: 10px !important;
}

#screenHistory .filter-actions {
  margin-top: 0 !important;
  margin-bottom: 12px !important;
}

/* Profile spacing */
#screenProfile .profile-section {
  margin-bottom: 10px !important;
}

#screenProfile .profile-stats,
#screenProfile .profile-info,
#screenProfile .profile-menu {
  margin-top: 0 !important;
}

/* Login screen must remain flex (fix for auth layout) */
#loginScreen {
  display: none !important;
  padding: 20px !important;
  align-items: center !important;
  justify-content: center !important;
  flex-direction: column !important;
  gap: 20px !important;
}

#loginScreen.active {
  display: flex !important;
}

#loginScreen .pay-center {
  width: min(100%, 560px);
}

#loginScreen > .form-group,
#loginScreen > .btn-primary,
#loginScreen > .btn-ghost,
#loginScreen > #installContainer,
#loginScreen > #loginError {
  width: min(100%, 440px);
}

/* TRC20 topup polish (transitions.dev inspired: panel-reveal + texts-reveal) */
#depositSheet {
  --panel-open-dur: 400ms;
  --panel-close-dur: 350ms;
  --panel-translate-y: 24px;
  --panel-blur: 2px;
  --panel-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --stagger-dur: 600ms;
  --stagger-distance: 12px;
  --stagger-stagger: 40ms;
  --stagger-blur: 3px;
  --stagger-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

#depositSheet .t-panel-slide {
  transform: translateY(var(--panel-translate-y));
  opacity: 0;
  filter: blur(var(--panel-blur));
  pointer-events: none;
  transition:
    transform var(--panel-close-dur) var(--panel-ease),
    opacity var(--panel-close-dur) var(--panel-ease),
    filter var(--panel-close-dur) var(--panel-ease);
  will-change: transform, opacity, filter;
}

#depositSheet .t-panel-slide[style*="display: block"],
#depositSheet .t-panel-slide[style*="display:flex"] {
  transform: translateY(0);
  opacity: 1;
  filter: blur(0);
  pointer-events: auto;
  transition:
    transform var(--panel-open-dur) var(--panel-ease),
    opacity var(--panel-open-dur) var(--panel-ease),
    filter var(--panel-open-dur) var(--panel-ease);
}

#depositSheet .t-stagger-line {
  display: block;
  opacity: 0;
  transform: translateY(var(--stagger-distance));
  filter: blur(var(--stagger-blur));
  transition:
    opacity var(--stagger-dur) var(--stagger-ease),
    transform var(--stagger-dur) var(--stagger-ease),
    filter var(--stagger-dur) var(--stagger-ease);
  will-change: transform, opacity, filter;
}

#depositSheet .t-stagger-line--2 {
  transition-delay: var(--stagger-stagger);
}

#depositSheet.active .t-stagger.is-shown .t-stagger-line {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

#depositSheet #trc20ActiveRequest {
  border-color: color-mix(in srgb, var(--bl5) 40%, var(--w08)) !important;
  box-shadow: 0 10px 28px color-mix(in srgb, var(--bl5) 16%, transparent);
}

#depositSheet #trc20ExpectedAmount {
  font-size: 15px;
  font-weight: 800;
  color: color-mix(in srgb, var(--grn) 80%, #fff);
}

#depositSheet #trc20RequestsList .pay-detail-row {
  gap: 10px;
}

#depositSheet #trc20RequestsList .pay-detail-key {
  line-height: 1.4;
}

/* transitions.dev foundation across the full web app */
:root {
  --resize-dur: 300ms;
  --resize-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --digit-dur: 500ms;
  --digit-distance: 8px;
  --digit-stagger: 70ms;
  --digit-blur: 2px;
  --digit-ease: cubic-bezier(0.34, 1.45, 0.64, 1);
  --digit-dir-x: 0;
  --digit-dir-y: 1;
  --badge-slide-dur: 260ms;
  --badge-pop-dur: 500ms;
  --badge-pop-close-dur: 180ms;
  --badge-fade-dur: 400ms;
  --badge-fade-close-dur: 180ms;
  --badge-blur: 2px;
  --badge-offset-x: -8.2px;
  --badge-offset-y: 12.4px;
  --badge-slide-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --badge-pop-ease: cubic-bezier(0.34, 1.36, 0.64, 1);
  --badge-close-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --text-swap-dur: 150ms;
  --text-swap-translate-y: 4px;
  --text-swap-blur: 2px;
  --text-swap-ease: ease-in-out;
  --dropdown-open-dur: 250ms;
  --dropdown-close-dur: 150ms;
  --dropdown-pre-scale: 0.97;
  --dropdown-closing-scale: 0.99;
  --dropdown-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --modal-open-dur: 250ms;
  --modal-close-dur: 150ms;
  --modal-scale: 0.96;
  --modal-scale-close: 0.96;
  --modal-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --panel-open-dur: 400ms;
  --panel-close-dur: 350ms;
  --panel-translate-y: 100px;
  --panel-blur: 2px;
  --panel-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --page-slide-dur: 200ms;
  --page-fade-dur: 200ms;
  --page-slide-distance: 8px;
  --page-blur: 3px;
  --page-stagger: 0ms;
  --page-exit-enabled: 1;
  --page-slide-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --page-fade-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --icon-swap-dur: 200ms;
  --icon-swap-blur: 2px;
  --icon-swap-start-scale: 0.25;
  --icon-swap-ease: ease-in-out;
  --check-opacity-dur: 550ms;
  --check-rotate-dur: 550ms;
  --check-rotate-from: 80deg;
  --check-bob-dur: 450ms;
  --check-y-amount: 40px;
  --check-blur-dur: 500ms;
  --check-blur-from: 10px;
  --check-path-dur: 550ms;
  --check-path-delay: 80ms;
  --check-ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --check-ease-opacity: cubic-bezier(0.22, 1, 0.36, 1);
  --check-ease-rotate: cubic-bezier(0.22, 1, 0.36, 1);
  --check-ease-bob: cubic-bezier(0.34, 1.35, 0.64, 1);
  --check-ease-path: cubic-bezier(0.22, 1, 0.36, 1);
  --avatar-lift: -4px;
  --avatar-dur: 320ms;
  --avatar-scale: 1.05;
  --avatar-falloff: 0.45;
  --avatar-ease-in: cubic-bezier(0.22, 1, 0.36, 1);
  --avatar-ease-out: cubic-bezier(0.34, 3.85, 0.64, 1);
  --shake-distance: 6px;
  --shake-overshoot: 4px;
  --shake-dur-a: 80ms;
  --shake-dur-b: 60ms;
  --shake-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --revert-hold: 3000ms;
  --revert-dur: 280ms;
  --clear-dur: 1000ms;
  --clear-out-dur: 400ms;
  --clear-in-dur: 400ms;
  --clear-out-fly: 12px;
  --clear-in-fly: 12px;
  --clear-out-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --clear-in-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --clear-blur: 2px;
  --glow-delay: 50ms;
  --glow-peak-at: 0.15;
  --glow-opacity: 0.42;
  --glow-spread: 1.5;
  --pulse-dur: 1000ms;
  --pulse-count: 1;
  --pulse-min: 0.5;
  --reveal-dur: 400ms;
  --reveal-blur: 2px;
  --reveal-ease: ease-in-out;
  --shimmer-dur: 2000ms;
  --shimmer-base: #7c7c7c;
  --shimmer-highlight: #0d0d0d;
  --shimmer-band: 400%;
  --shimmer-ease: linear;
  --tabs-dur: 200ms;
  --tabs-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --tabs-text-muted: rgba(15, 15, 15, 0.6);
  --tabs-text-active: #0f0f0f;
  --tabs-bar-bg: #eeeeee;
  --tabs-pill-bg: #ffffff;
  --tt-in-dur: 150ms;
  --tt-out-dur: 50ms;
  --tt-scale: 0.98;
  --tt-delay: 80ms;
  --tt-in-ease: ease-out;
  --tt-out-ease: ease-out;
  --tt-bg: #ffffff;
  --tt-fg: #2f2f2f;
  --stagger-dur: 600ms;
  --stagger-distance: 12px;
  --stagger-stagger: 40ms;
  --stagger-blur: 3px;
  --stagger-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* Modal open / close */
.t-modal {
  transform-origin: center;
  transform: scale(var(--modal-scale));
  opacity: 0;
  pointer-events: none;
  transition:
    transform var(--modal-open-dur) var(--modal-ease),
    opacity var(--modal-open-dur) var(--modal-ease);
  will-change: transform, opacity;
}
.t-modal.is-open {
  transform: scale(1);
  opacity: 1;
  pointer-events: auto;
}
.t-modal.is-closing {
  transform: scale(var(--modal-scale-close));
  opacity: 0;
  pointer-events: none;
  transition:
    transform var(--modal-close-dur) var(--modal-ease),
    opacity var(--modal-close-dur) var(--modal-ease);
}

/* Tabs sliding */
.tab-bar-inner.t-tabs {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 3px;
  border-radius: 48px;
  background: color-mix(in srgb, var(--tabs-bar-bg) 20%, var(--bg2));
}
.tab-bar-inner .t-tab {
  position: relative;
  appearance: none;
  border: 0;
  background: transparent;
  color: color-mix(in srgb, var(--tabs-text-muted) 100%, var(--w70));
  border-radius: 48px;
  z-index: 1;
  transition: color var(--tabs-dur) var(--tabs-ease);
}
.tab-bar-inner .t-tab[aria-selected="true"],
.tab-bar-inner .t-tab.active {
  color: color-mix(in srgb, var(--tabs-text-active) 100%, var(--w92));
}
.t-tabs-pill {
  position: absolute;
  top: 3px;
  left: 0;
  height: calc(100% - 6px);
  width: 0;
  background: color-mix(in srgb, var(--tabs-pill-bg) 30%, var(--bg3));
  border-radius: 48px;
  transform: translateX(0);
  transition:
    transform var(--tabs-dur) var(--tabs-ease),
    width var(--tabs-dur) var(--tabs-ease);
  will-change: transform, width;
  z-index: 0;
  pointer-events: none;
}

/* Page side-by-side (adapted for existing .screen switching) */
.screen.is-entering {
  animation: t-page-enter var(--page-slide-dur) var(--page-slide-ease);
}
@keyframes t-page-enter {
  from {
    opacity: 0;
    transform: translateX(var(--page-slide-distance));
    filter: blur(var(--page-blur));
  }
  to {
    opacity: 1;
    transform: translateX(0);
    filter: blur(0);
  }
}

/* Skeleton loader and reveal */
.t-skel { position: relative; }
.t-skel-skeleton,
.t-skel-content {
  position: absolute;
  inset: 0;
}
.t-skel-skeleton {
  z-index: 1;
  opacity: 1;
  filter: blur(0);
  transition:
    opacity var(--reveal-dur) var(--reveal-ease),
    filter var(--reveal-dur) var(--reveal-ease);
}
.t-skel-content {
  z-index: 2;
  opacity: 0;
  filter: blur(var(--reveal-blur));
  transition:
    opacity var(--reveal-dur) var(--reveal-ease),
    filter var(--reveal-dur) var(--reveal-ease);
}
.t-skel.is-revealed .t-skel-skeleton {
  opacity: 0;
  filter: blur(var(--reveal-blur));
}
.t-skel.is-revealed .t-skel-content {
  opacity: 1;
  filter: blur(0);
}
.t-skel.is-resetting .t-skel-skeleton,
.t-skel.is-resetting .t-skel-content {
  transition: none !important;
}
.t-skel-skeleton.is-pulsing > * {
  animation: t-skel-pulse var(--pulse-dur) ease-in-out var(--pulse-count);
}
@keyframes t-skel-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: var(--pulse-min); }
}

/* Shimmer text */
.t-shimmer {
  position: relative;
  display: inline-block;
  color: var(--shimmer-base);
}
.t-shimmer::before {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(
    90deg,
    transparent 0%,
    transparent 40%,
    var(--shimmer-highlight) 50%,
    transparent 60%,
    transparent 100%
  );
  background-size: var(--shimmer-band) 100%;
  background-repeat: no-repeat;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  animation: t-shimmer var(--shimmer-dur) var(--shimmer-ease) infinite;
}
@keyframes t-shimmer {
  0% { background-position: 100% 0; }
  100% { background-position: 0% 0; }
}

/* Error state shake */
.t-input {
  transition: border-color 150ms ease-out;
  will-change: transform;
}
.t-input.is-error {
  transition: border-color var(--revert-dur, 280ms) ease-out;
}
.t-input-wrap .form-hint.form-hint-red {
  opacity: 1;
  visibility: visible;
  transition: opacity var(--revert-dur, 280ms) ease-out;
}
.t-input.is-shaking {
  animation: t-input-shake calc(var(--shake-dur-a) * 2 + var(--shake-dur-b) * 2) linear;
}
@keyframes t-input-shake {
  0% { transform: translateX(0); animation-timing-function: var(--shake-ease); }
  28.57% { transform: translateX(var(--shake-distance)); animation-timing-function: var(--shake-ease); }
  57.14% { transform: translateX(calc(var(--shake-distance) * -1)); animation-timing-function: var(--shake-ease); }
  78.57% { transform: translateX(var(--shake-overshoot)); animation-timing-function: var(--shake-ease); }
  100% { transform: translateX(0); }
}

/* Icon swap */
.t-icon-swap {
  position: relative;
  display: inline-grid;
}
.t-icon-swap .t-icon {
  grid-area: 1 / 1;
  transition:
    opacity var(--icon-swap-dur) var(--icon-swap-ease),
    filter var(--icon-swap-dur) var(--icon-swap-ease),
    transform var(--icon-swap-dur) var(--icon-swap-ease);
  will-change: opacity, filter, transform;
}
.t-icon-swap[data-state="a"] .t-icon[data-icon="a"],
.t-icon-swap[data-state="b"] .t-icon[data-icon="b"] {
  opacity: 1;
  filter: blur(0);
  transform: scale(1);
}
.t-icon-swap[data-state="a"] .t-icon[data-icon="b"],
.t-icon-swap[data-state="b"] .t-icon[data-icon="a"] {
  opacity: 0;
  filter: blur(var(--icon-swap-blur));
  transform: scale(var(--icon-swap-start-scale));
}

/* Notification badge */
@keyframes t-badge-slide-in {
  from { transform: translate(var(--badge-offset-x), var(--badge-offset-y)); }
  to { transform: translate(0, 0); }
}
.t-badge {
  position: absolute;
  top: -6px;
  right: -10px;
  pointer-events: none;
  will-change: transform;
}
.t-badge[data-open="true"] {
  animation: t-badge-slide-in var(--badge-slide-dur) var(--badge-slide-ease);
}
.t-badge-dot {
  display: grid;
  place-items: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: linear-gradient(140deg, #ff4d71, #ff2d55);
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  line-height: 1;
  transform-origin: center;
  transform: scale(1);
  opacity: 1;
  filter: blur(0);
  box-shadow: 0 6px 14px rgba(255, 45, 85, 0.35);
  transition:
    transform var(--badge-pop-dur) var(--badge-pop-ease),
    opacity var(--badge-fade-dur) var(--badge-pop-ease),
    filter var(--badge-pop-dur) var(--badge-pop-ease);
}
.t-badge[data-open="false"] .t-badge-dot {
  transform: scale(0);
  opacity: 0;
  filter: blur(var(--badge-blur));
  transition:
    transform var(--badge-pop-close-dur) var(--badge-close-ease),
    opacity var(--badge-fade-close-dur) var(--badge-close-ease),
    filter var(--badge-pop-close-dur) var(--badge-close-ease);
}

/* Success check */
.t-success-check {
  display: inline-block;
  transform-origin: center;
  opacity: 0;
  color: #fff;
  will-change: transform, opacity, filter;
}
.t-success-check svg { display: block; overflow: visible; }
.t-success-check svg path {
  stroke-dasharray: 20;
  stroke-dashoffset: 20;
}
.t-success-check[data-state="in"] {
  animation:
    t-check-fade var(--check-opacity-dur) var(--check-ease-opacity) forwards,
    t-check-rotate var(--check-rotate-dur) var(--check-ease-rotate) forwards,
    t-check-blur var(--check-blur-dur) var(--check-ease-out) forwards,
    t-check-bob var(--check-bob-dur) var(--check-ease-bob) forwards;
}
.t-success-check[data-state="in"] svg path {
  animation: t-check-draw var(--check-path-dur) var(--check-ease-path) var(--check-path-delay, 0ms) forwards;
}
@keyframes t-check-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes t-check-rotate { from { transform: rotate(var(--check-rotate-from)); } to { transform: rotate(0deg); } }
@keyframes t-check-blur { from { filter: blur(var(--check-blur-from)); } to { filter: blur(0); } }
@keyframes t-check-bob { from { translate: 0 var(--check-y-amount); } to { translate: 0 0; } }
@keyframes t-check-draw { to { stroke-dashoffset: 0; } }

/* Chat send button integration */
#modalChat #sendMessageBtn[disabled] {
  opacity: 0.88;
  cursor: wait;
}
#modalChat #sendMessageBtn .t-icon-swap {
  width: 20px;
  height: 20px;
}
#modalChat #sendMessageBtn .t-icon,
#modalChat #sendMessageBtn .t-icon svg {
  width: 20px;
  height: 20px;
}

/* Universal reduce-motion safety */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

  #depositSheet .t-panel-slide,
  #depositSheet .t-stagger-line {
    transition: none !important;
  }
}