:root {
  color-scheme: light;
  --color-uu-brand-normal: #00d2c4;
  --color-uu-brand-hover: #53e4d1;
  --color-uu-brand-pressed: #00b1ab;
  --color-uu-label-primary: #232426;
  --color-uu-label-secondary: rgba(64, 66, 77, 0.9);
  --color-uu-label-tertiary: rgba(64, 66, 77, 0.64);
  --color-uu-label-quaternary: rgba(64, 66, 77, 0.32);
  --color-uu-label-text-on-btn-default: #ffffff;
  --color-uu-fill-bg-primary: #e5f4f6;
  --color-uu-fill-bg-secondary: #ffffff;
  --color-uu-fill-comp-btn-bg-disabled: rgba(64, 66, 77, 0.08);
  --color-uu-fill-comp-overlay: rgba(0, 0, 0, 0.4);
  --color-uu-fill-comp-toast-bg: rgba(107, 108, 117, 0.95);
  --color-uu-line-separator: rgba(64, 66, 77, 0.14);
  --color-uu-line-default: rgba(0, 0, 0, 0.1);
  --color-uu-func-link-normal: #0a95ff;
  --color-uu-func-success-normal: #46c72c;
  --color-uu-func-error-normal: #ff3c32;
  --color-uu-pressing-mask: rgba(0, 0, 0, 0.1);
  --glass-tint: color-mix(in oklab, var(--color-uu-fill-bg-secondary) 62%, transparent);
  --glass-tint-strong: color-mix(in oklab, var(--color-uu-fill-bg-secondary) 82%, transparent);
  --glass-edge: color-mix(in oklab, var(--color-uu-fill-bg-secondary) 66%, transparent);
  --glass-highlight: color-mix(in oklab, var(--color-uu-fill-bg-secondary) 82%, transparent);
  --shadow-color: rgba(24, 29, 66, 0.14);
  --inner-shadow: rgba(0, 0, 0, 0.04);
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --color-uu-brand-normal: #4bc8c0;
    --color-uu-brand-hover: #83ded2;
    --color-uu-brand-pressed: #1a8a8a;
    --color-uu-label-primary: #ffffff;
    --color-uu-label-secondary: rgba(235, 237, 255, 0.85);
    --color-uu-label-tertiary: rgba(235, 237, 255, 0.64);
    --color-uu-label-quaternary: rgba(235, 237, 255, 0.32);
    --color-uu-label-text-on-btn-default: #ffffff;
    --color-uu-fill-bg-primary: #181d42;
    --color-uu-fill-bg-secondary: #2e3465;
    --color-uu-fill-comp-btn-bg-disabled: rgba(235, 237, 255, 0.08);
    --color-uu-fill-comp-overlay: rgba(0, 0, 0, 0.7);
    --color-uu-fill-comp-toast-bg: rgba(0, 0, 0, 0.95);
    --color-uu-line-separator: rgba(235, 237, 255, 0.14);
    --color-uu-line-default: rgba(255, 255, 255, 0.1);
    --color-uu-func-link-normal: #14a1ff;
    --color-uu-func-success-normal: #71d258;
    --color-uu-func-error-normal: #ff6658;
    --color-uu-pressing-mask: rgba(255, 255, 255, 0.1);
    --glass-tint: color-mix(in oklab, var(--color-uu-fill-bg-secondary) 48%, transparent);
    --glass-tint-strong: color-mix(in oklab, var(--color-uu-fill-bg-secondary) 66%, transparent);
    --glass-edge: rgba(255, 255, 255, 0.14);
    --glass-highlight: rgba(255, 255, 255, 0.2);
    --shadow-color: rgba(0, 0, 0, 0.38);
    --inner-shadow: rgba(255, 255, 255, 0.04);
  }
}

:root {
  --font-display: "SF Pro Display", ui-rounded, "PingFang SC", "Microsoft YaHei UI", system-ui, sans-serif;
  --font-body: "SF Pro Text", ui-rounded, "PingFang SC", "Microsoft YaHei UI", system-ui, sans-serif;
  --font-mono: "SF Mono", ui-monospace, Consolas, monospace;
  --space-2: 2px;
  --space-4: 4px;
  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-24: 24px;
  --space-32: 32px;
  --space-48: 48px;
  --space-64: 64px;
  --radius-small: 10px;
  --radius-medium: 14px;
  --radius-large: 24px;
  --radius-capsule: 999px;
  --duration-fast: 160ms;
  --duration-normal: 240ms;
  --ease-ios: cubic-bezier(0.32, 0.72, 0, 1);
  --z-toast: 120;
  --z-dialog: 80;
  --z-fab: 60;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  min-height: 100%;
}

body {
  min-height: 100dvh;
  background: var(--color-uu-fill-bg-primary);
  color: var(--color-uu-label-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
}

.aurora {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.aurora::before,
.aurora::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.62;
}

.aurora::before {
  width: min(72vw, 680px);
  height: min(72vw, 680px);
  left: -18vw;
  top: -14vh;
  background: radial-gradient(circle, var(--color-uu-brand-normal), transparent 72%);
}

.aurora::after {
  width: min(64vw, 580px);
  height: min(64vw, 580px);
  right: -14vw;
  bottom: -22vh;
  background: radial-gradient(circle, var(--color-uu-func-link-normal), transparent 72%);
  opacity: 0.34;
}

.app-shell {
  width: min(1120px, calc(100% - var(--space-32)));
  margin: 0 auto;
  padding-top: var(--space-48);
  padding-bottom: var(--space-64);
}

.glass {
  position: relative;
  background: var(--glass-tint);
  border: 1px solid var(--glass-edge);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  box-shadow:
    0 24px 60px var(--shadow-color),
    inset 0 1px 0 var(--glass-highlight),
    inset 0 -1px 0 var(--inner-shadow);
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-16);
  min-height: 104px;
  padding: var(--space-24);
  margin-bottom: var(--space-24);
  border-radius: var(--radius-large);
}

.brand-block {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: var(--space-16);
}

.brand-mark {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 52px;
  height: 52px;
  border-radius: 17px;
  color: var(--color-uu-brand-normal);
  background: color-mix(in oklab, var(--color-uu-brand-normal) 18%, transparent);
  box-shadow: inset 0 0 0 1px var(--glass-edge);
}

.brand-mark svg {
  width: 28px;
  height: 28px;
}

h1 {
  font-family: var(--font-display);
  font-size: 26px;
  line-height: 1.2;
  letter-spacing: -0.4px;
}

.brand-block p,
footer,
.empty p {
  margin-top: var(--space-4);
  color: var(--color-uu-label-tertiary);
  font-size: 14px;
}

.header-actions {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  gap: var(--space-12);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  min-height: 44px;
  padding: 0 var(--space-16);
  border: 1px solid transparent;
  border-radius: var(--radius-medium);
  color: inherit;
  font: inherit;
  font-weight: 600;
  touch-action: manipulation;
  transition: transform var(--duration-fast) var(--ease-ios), background var(--duration-normal), border-color var(--duration-normal), box-shadow var(--duration-normal);
}

.btn svg {
  width: 18px;
  height: 18px;
}

.glass-btn {
  background: var(--glass-tint-strong);
  border-color: var(--glass-edge);
  box-shadow: inset 0 1px 0 var(--glass-highlight);
}

.primary-btn {
  background: linear-gradient(135deg, var(--color-uu-brand-hover), var(--color-uu-brand-normal));
  color: var(--color-uu-label-text-on-btn-default);
  box-shadow: 0 10px 24px color-mix(in oklab, var(--color-uu-brand-normal) 28%, transparent);
}

.danger-btn {
  color: var(--color-uu-func-error-normal);
  background: color-mix(in oklab, var(--color-uu-func-error-normal) 10%, transparent);
}

@media (hover: hover) {
  .glass-btn:hover {
    background: color-mix(in oklab, var(--color-uu-fill-bg-secondary) 84%, transparent);
    border-color: color-mix(in oklab, var(--color-uu-brand-normal) 38%, transparent);
  }

  .primary-btn:hover {
    background: linear-gradient(135deg, var(--color-uu-brand-normal), var(--color-uu-brand-hover));
  }
}

.btn:active {
  transform: scale(0.98);
  background-color: color-mix(in oklab, currentColor 8%, transparent);
}

button:focus-visible,
input:focus-visible,
dialog:focus-visible,
.code:focus-visible {
  outline: 3px solid color-mix(in oklab, var(--color-uu-brand-normal) 64%, transparent);
  outline-offset: 2px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
  gap: var(--space-24);
}

.token-card {
  padding: var(--space-24);
  border-radius: var(--radius-large);
  animation: card-in var(--duration-normal) var(--ease-ios) both;
}

.card-top {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  margin-bottom: var(--space-16);
}

.account-badge {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  border-radius: 13px;
  background: color-mix(in oklab, var(--color-uu-brand-normal) 16%, transparent);
  color: var(--color-uu-brand-normal);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
}

.account-title {
  min-width: 0;
  flex: 1;
}

.name {
  overflow: hidden;
  color: var(--color-uu-label-primary);
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.meta {
  overflow: hidden;
  margin-top: var(--space-2);
  color: var(--color-uu-label-tertiary);
  font-size: 14px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.code {
  position: relative;
  overflow: hidden;
  padding: var(--space-16) var(--space-12);
  border: 1px solid var(--glass-edge);
  border-radius: var(--radius-medium);
  background: color-mix(in oklab, var(--color-uu-fill-bg-primary) 38%, transparent);
  color: var(--color-uu-brand-normal);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 7vw, 2.8rem);
  font-weight: 700;
  letter-spacing: 5px;
  line-height: 1.2;
  text-align: center;
  user-select: all;
  transition: transform var(--duration-fast) var(--ease-ios), border-color var(--duration-normal);
}

.code::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 24%, var(--glass-highlight) 48%, transparent 72%);
  opacity: 0.44;
  transform: translateX(-100%);
}

.code:hover {
  transform: scale(1.01);
}

.code:active {
  transform: scale(0.99);
}

.code.error {
  color: var(--color-uu-func-error-normal);
}

.progress-row {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  margin: var(--space-16) 0;
}

.progressbar {
  overflow: hidden;
  flex: 1;
  height: 6px;
  border-radius: var(--radius-capsule);
  background: color-mix(in oklab, var(--color-uu-label-quaternary) 42%, transparent);
}

.progressbar div {
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--color-uu-brand-normal), var(--color-uu-func-link-normal));
  transition: width 1s linear, background var(--duration-normal);
}

.progressbar div.urgent {
  background: linear-gradient(90deg, var(--color-uu-func-error-normal), color-mix(in oklab, var(--color-uu-func-error-normal) 62%, transparent));
}

.countdown {
  min-width: 36px;
  color: var(--color-uu-label-tertiary);
  font-family: var(--font-mono);
  font-size: 14px;
  text-align: right;
}

.countdown.urgent {
  color: var(--color-uu-func-error-normal);
  font-weight: 700;
}

.card-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-8);
}

.btn-sm {
  min-height: 44px;
  padding: 0 var(--space-12);
  border-radius: var(--radius-small);
  font-size: 14px;
}

.empty {
  display: none;
  padding: var(--space-48) var(--space-24);
  border-radius: var(--radius-large);
  text-align: center;
}

.empty-icon {
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-16);
  border-radius: var(--radius-capsule);
  background: color-mix(in oklab, var(--color-uu-brand-normal) 13%, transparent);
  color: var(--color-uu-brand-normal);
}

.empty-icon svg {
  width: 34px;
  height: 34px;
}

.empty h2 {
  font-family: var(--font-display);
  font-size: 22px;
}

.fab {
  position: fixed;
  right: var(--space-24);
  bottom: var(--space-24);
  z-index: var(--z-fab);
  display: grid;
  place-items: center;
  width: 60px;
  height: 60px;
  border: 0;
  border-radius: var(--radius-capsule);
  background: linear-gradient(145deg, var(--color-uu-brand-hover), var(--color-uu-brand-normal));
  color: var(--color-uu-label-text-on-btn-default);
  box-shadow: 0 20px 44px color-mix(in oklab, var(--color-uu-brand-normal) 34%, transparent), inset 0 1px 0 var(--glass-highlight);
  transition: transform var(--duration-normal) var(--ease-ios), box-shadow var(--duration-normal);
}

.fab svg {
  width: 26px;
  height: 26px;
}

.fab:hover {
  transform: scale(1.06) rotate(90deg);
}

.fab:active {
  transform: scale(0.96);
}

dialog {
  z-index: var(--z-dialog);
  width: min(560px, calc(100% - var(--space-32)));
  max-height: min(86dvh, 720px);
  padding: 0;
  border: 1px solid var(--glass-edge);
  border-radius: var(--radius-large);
  background: var(--glass-tint-strong);
  color: inherit;
  box-shadow: 0 32px 80px var(--shadow-color), inset 0 1px 0 var(--glass-highlight);
  backdrop-filter: blur(36px) saturate(190%);
  -webkit-backdrop-filter: blur(36px) saturate(190%);
}

dialog::backdrop {
  background: var(--color-uu-fill-comp-overlay);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

dialog[open] {
  animation: dialog-in var(--duration-normal) var(--ease-ios);
}

.dialog-inner {
  padding: var(--space-24);
}

.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-16);
  margin-bottom: var(--space-24);
}

.dialog-header h2 {
  font-family: var(--font-display);
  font-size: 22px;
}

.icon-btn {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--glass-edge);
  border-radius: var(--radius-capsule);
  background: var(--glass-tint);
  color: var(--color-uu-label-secondary);
  transition: transform var(--duration-fast), color var(--duration-fast);
}

.icon-btn svg {
  width: 18px;
  height: 18px;
}

.icon-btn:hover {
  color: var(--color-uu-label-primary);
}

.field {
  min-width: 0;
  margin-bottom: var(--space-16);
}

label {
  display: block;
  margin-bottom: var(--space-8);
  color: var(--color-uu-label-secondary);
  font-size: 14px;
  font-weight: 600;
}

input {
  width: 100%;
  min-height: 48px;
  padding: 0 var(--space-16);
  border: 1px solid var(--glass-edge);
  border-radius: var(--radius-medium);
  background: color-mix(in oklab, var(--color-uu-fill-bg-primary) 42%, transparent);
  color: inherit;
  font-size: 16px;
  font-family: inherit;
  transition: border-color var(--duration-fast), background var(--duration-fast), box-shadow var(--duration-fast);
}

input:focus {
  outline: none;
  border-color: color-mix(in oklab, var(--color-uu-brand-normal) 58%, transparent);
  background: color-mix(in oklab, var(--color-uu-fill-bg-secondary) 68%, transparent);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--color-uu-brand-normal) 15%, transparent);
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-12);
  margin-top: var(--space-24);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(var(--space-24) + 72px);
  z-index: var(--z-toast);
  padding: 12px var(--space-24);
  border-radius: var(--radius-capsule);
  background: var(--color-uu-fill-comp-toast-bg);
  color: var(--color-uu-label-text-on-btn-default);
  font-size: 16px;
  box-shadow: 0 14px 32px var(--shadow-color);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 16px);
  transition: opacity var(--duration-normal), transform var(--duration-normal) var(--ease-ios);
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

footer {
  padding: var(--space-32) var(--space-16) 0;
  text-align: center;
}

@keyframes card-in {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.98);
  }
}

@keyframes dialog-in {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.97);
  }
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass,
  .glass-btn,
  dialog {
    background: color-mix(in oklab, var(--color-uu-fill-bg-secondary) 88%, transparent);
  }
}

@media (max-width: 720px) {
  :root {
    --space-24: 16px;
    --space-32: 16px;
    --space-48: 24px;
  }

  .app-shell {
    width: calc(100% - var(--space-32));
    padding-top: var(--space-24);
    padding-bottom: calc(var(--space-64) + 36px);
  }

  .app-header {
    align-items: stretch;
    flex-direction: column;
    min-height: 0;
  }

  .header-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  h1 {
    font-size: 23px;
  }

  .cards {
    gap: var(--space-16);
  }

  .token-card {
    padding: var(--space-16);
    border-radius: var(--radius-medium);
  }

  .code {
    letter-spacing: 3px;
  }

  .card-actions {
    justify-content: stretch;
  }

  .btn-sm {
    flex: 1;
  }

  dialog {
    width: 100%;
    max-width: none;
    margin: auto 0 0;
    border-radius: var(--radius-large) var(--radius-large) 0 0;
    border-bottom: 0;
  }

  dialog[open] {
    animation: sheet-in var(--duration-normal) var(--ease-ios);
  }

  .dialog-actions {
    flex-direction: column-reverse;
  }

  .dialog-actions .btn {
    width: 100%;
  }

  .fab {
    right: var(--space-16);
    bottom: var(--space-16);
  }
}

@keyframes sheet-in {
  from {
    opacity: 0;
    transform: translateY(100%);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}