:root,
html[data-theme='light'] {
  --canvas: #f2f2f2;
  --sidebar: #ffffff;
  --surface: #ffffff;
  --surface-muted: #f7f7f7;
  --surface-hover: #eeeeee;
  --border: rgba(0, 0, 0, 0.08);
  --border-strong: #d7d7d7;
  --text: rgba(0, 0, 0, 0.94);
  --text-secondary: rgba(0, 0, 0, 0.66);
  --muted: rgba(0, 0, 0, 0.46);
  --subtle: rgba(0, 0, 0, 0.34);
  --accent: #ffdb00;
  --accent-hover: #e6c400;
  --accent-foreground: #262626;
  --input: #ffffff;
  --danger: #b93232;
  --danger-bg: #fff4f4;
  --focus: rgba(255, 219, 0, 0.25);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.08);
  color-scheme: light;
}

html[data-theme='dark'] {
  --canvas: #343434;
  --sidebar: #262626;
  --surface: #404040;
  --surface-muted: #343434;
  --surface-hover: #515151;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.15);
  --text: rgba(255, 255, 255, 0.95);
  --text-secondary: rgba(255, 255, 255, 0.66);
  --muted: rgba(255, 255, 255, 0.47);
  --subtle: rgba(255, 255, 255, 0.34);
  --accent: #ffdb00;
  --accent-hover: #e6c400;
  --accent-foreground: #262626;
  --input: rgba(255, 255, 255, 0.07);
  --danger: #ff9d9d;
  --danger-bg: #3a2325;
  --focus: rgba(255, 219, 0, 0.22);
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.22);
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  html[data-theme='system'] {
    --canvas: #343434;
    --sidebar: #262626;
    --surface: #404040;
    --surface-muted: #343434;
    --surface-hover: #515151;
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.15);
    --text: rgba(255, 255, 255, 0.95);
    --text-secondary: rgba(255, 255, 255, 0.66);
    --muted: rgba(255, 255, 255, 0.47);
    --subtle: rgba(255, 255, 255, 0.34);
    --accent: #ffdb00;
    --accent-hover: #e6c400;
    --accent-foreground: #262626;
    --input: rgba(255, 255, 255, 0.07);
    --danger: #ff9d9d;
    --danger-bg: #3a2325;
    --focus: rgba(255, 219, 0, 0.22);
    --shadow: 0 22px 60px rgba(0, 0, 0, 0.22);
    color-scheme: dark;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body,
#root {
  min-width: 320px;
  min-height: 100%;
  margin: 0;
}

body {
  min-height: 100vh;
  color: var(--text);
  background: var(--canvas);
  font-family:
    MiSans,
    Montserrat,
    'Microsoft YaHei',
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button,
input {
  font: inherit;
}

button,
a,
input {
  -webkit-tap-highlight-color: transparent;
}

.portal-layout {
  min-height: 100vh;
}

.portal-header {
  display: flex;
  width: 100%;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 24px;
  border-bottom: 1px solid var(--border);
  background: var(--sidebar);
}

.portal-brand {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 10px;
}
.portal-brand > span:last-child {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.portal-brand strong {
  overflow: hidden;
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.portal-brand small {
  color: var(--subtle);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 8px;
  color: var(--accent-foreground);
  background: var(--accent);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: -0.03em;
}

.icon-button,
.input-action {
  display: grid;
  place-items: center;
  padding: 0;
  border: 0;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  transition:
    color 140ms ease,
    background-color 140ms ease,
    transform 140ms cubic-bezier(0.23, 1, 0.32, 1);
}

.icon-button {
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: var(--surface);
}

.icon-button:active,
.input-action:active,
.tab-trigger:active,
.primary-button:active,
.secondary-button:active {
  transform: scale(0.97);
}

.page-shell {
  display: grid;
  min-height: calc(100vh - 65px);
  place-items: center;
  padding: 42px 20px 64px;
}

.auth-card {
  width: min(100%, 448px);
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.auth-header {
  margin-bottom: 22px;
}
.eyebrow {
  display: block;
  margin-bottom: 8px;
  color: var(--subtle);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.auth-header h1 {
  margin: 0;
  color: var(--text);
  font-size: 24px;
  font-weight: 720;
  letter-spacing: -0.035em;
  line-height: 1.25;
}

.auth-header p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.tab-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
  margin-bottom: 20px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--surface-muted);
}

.tab-trigger {
  min-height: 36px;
  padding: 0 12px;
  border: 0;
  border-radius: 6px;
  outline: 0;
  color: var(--muted);
  background: transparent;
  font-size: 11px;
  font-weight: 650;
  cursor: pointer;
  transition:
    color 140ms ease,
    background-color 140ms ease,
    box-shadow 140ms ease,
    transform 140ms cubic-bezier(0.23, 1, 0.32, 1);
}

.tab-trigger[data-state='active'] {
  color: var(--text-secondary);
  background: var(--surface);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.09);
}

.tab-content {
  outline: 0;
  animation: content-in 160ms cubic-bezier(0.23, 1, 0.32, 1);
}
.auth-form {
  display: grid;
  gap: 16px;
}
.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.field {
  display: grid;
  min-width: 0;
  gap: 7px;
}
.field > span:first-child {
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 650;
}

.field input {
  width: 100%;
  height: 42px;
  padding: 0 11px;
  border: 1px solid var(--border-strong);
  border-radius: 7px;
  outline: 0;
  color: var(--text);
  background: var(--input);
  font-size: 12px;
  transition:
    border-color 140ms ease,
    box-shadow 140ms ease,
    background-color 140ms ease;
}

.input-shell {
  position: relative;
  display: block;
}
.input-shell input {
  padding-right: 42px;
}

.input-action {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 34px;
  height: 34px;
  border-radius: 5px;
}

.field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--focus);
}
.field-hint {
  margin-top: -5px;
  color: var(--subtle);
  font-size: 9px;
  line-height: 1.5;
}

.primary-button,
.secondary-button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 0 14px;
  border: 1px solid var(--border-strong);
  border-radius: 7px;
  font-size: 11px;
  font-weight: 650;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition:
    color 140ms ease,
    background-color 140ms ease,
    border-color 140ms ease,
    transform 140ms cubic-bezier(0.23, 1, 0.32, 1);
}

.primary-button {
  border-color: var(--accent);
  color: var(--accent-foreground);
  background: var(--accent);
}
.secondary-button {
  color: var(--text-secondary);
  background: var(--surface);
}

.primary-button:disabled,
.secondary-button:disabled {
  opacity: 0.58;
  cursor: wait;
}

.icon-button:focus-visible,
.input-action:focus-visible,
.tab-trigger:focus-visible,
.primary-button:focus-visible,
.secondary-button:focus-visible,
.field input:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.message {
  margin: 0 0 16px;
  padding: 10px 11px;
  border: 1px solid color-mix(in srgb, var(--danger) 28%, var(--border));
  border-radius: 7px;
  color: var(--danger);
  background: var(--danger-bg);
  font-size: 10px;
  line-height: 1.55;
  white-space: pre-line;
}

.state-view {
  display: flex;
  min-height: 136px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--muted);
  font-size: 11px;
}

.spinner,
.button-spinner {
  animation: spin 700ms linear infinite;
}

.account-view {
  display: grid;
  justify-items: center;
  gap: 15px;
  padding-top: 2px;
  text-align: center;
}

.success-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 10px;
  color: var(--accent-foreground);
  background: var(--accent);
}

.account-copy {
  display: grid;
  max-width: 100%;
  gap: 4px;
}

.account-copy strong,
.account-copy span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.account-copy strong {
  color: var(--text);
  font-size: 15px;
}
.account-copy span {
  color: var(--muted);
  font-size: 10px;
}
.account-view .message,
.account-actions {
  width: 100%;
}
.account-view .message {
  margin: 0;
}
.account-actions {
  display: grid;
  gap: 9px;
  margin-top: 3px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
@keyframes content-in {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (hover: hover) and (pointer: fine) {
  .icon-button:hover,
  .input-action:hover,
  .secondary-button:hover {
    color: var(--text-secondary);
    background: var(--surface-hover);
  }
  .primary-button:hover {
    border-color: var(--accent-hover);
    background: var(--accent-hover);
  }
  .tab-trigger:not([data-state='active']):hover {
    color: var(--text-secondary);
  }
}

@media (max-width: 560px) {
  .portal-header {
    min-height: 58px;
    padding: 0 16px;
  }
  .page-shell {
    min-height: calc(100vh - 59px);
    align-items: start;
    padding: 24px 14px 40px;
  }
  .auth-card {
    padding: 22px 18px;
    box-shadow: none;
  }
  .auth-header h1 {
    font-size: 22px;
  }
  .field-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}