:root {
  color-scheme: light dark;
  --bg: #fff;
  --bg-side: #f1f1f3;
  --bg-panel: #fafafa;
  --bg-hover: #e9e9ed;
  --bg-active: #e0e6ee;
  --border: #d3d3d9;
  --border-soft: #e0e0e5;
  --text: #222226;
  --text-2: #51515a;
  --text-3: #686871;
  --accent: #0866d5;
  --accent-ink: #fff;
  --danger: #bd332c;
  --ok: #237344;
  --mac-control: #fff;
  --mac-selection: #dce8f8;
  --mac-action: #0866d5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1e1e20;
    --bg-side: #28282b;
    --bg-panel: #252527;
    --bg-hover: #353538;
    --bg-active: #3b414c;
    --border: #4b4b50;
    --border-soft: #3b3b40;
    --text: #f1f1f3;
    --text-2: #c4c4cc;
    --text-3: #aaaab4;
    --accent: #8dbaff;
    --danger: #ff9d94;
    --ok: #87d6aa;
    --mac-control: #353538;
    --mac-selection: #374963;
    --mac-action: #2464c5;
  }
}

* { box-sizing: border-box; }

html,
body,
.ta-window { width: 100%; height: 100%; min-width: 0; min-height: 0; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", sans-serif;
  font-size: 13px;
  letter-spacing: 0;
  overflow: hidden;
}

button,
input { font: inherit; }

button,
input { accent-color: var(--mac-action); }

::selection { background: var(--mac-selection); color: var(--text); }
input { caret-color: var(--accent); }
input::placeholder { color: var(--text-3); opacity: 1; }

button:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.ta-window {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-soft);
  background: var(--bg);
}

.ta-titlebar {
  display: flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border-soft);
  background: var(--bg-panel);
  -webkit-app-region: drag;
  user-select: none;
}
.ta-brand-title { display: flex; align-items: center; justify-content: center; gap: 5px; }
.ta-product-icon { width: 14px; height: 14px; flex: 0 0 14px; object-fit: contain; border-radius: 4px; }

.ta-window-title {
  color: var(--text-2);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0;
  -webkit-app-region: drag;
}

.ta-stage {
  display: flex;
  min-height: 0;
  flex: 1;
  justify-content: center;
  overflow: auto;
  padding: 52px 40px 36px;
  scrollbar-color: color-mix(in srgb, var(--text-3) 32%, transparent) transparent;
  scrollbar-width: thin;
}

.ta-content {
  width: min(100%, 440px);
  min-width: 0;
  padding-bottom: 8px;
}

.ta-content h1 {
  margin: 0;
  font-size: 18px;
  line-height: 1.35;
  font-weight: 600;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.ta-intro {
  max-width: 44ch;
  margin: 6px 0 0;
  color: var(--text-2);
  font-size: 13px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.ta-form {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.ta-auth-methods {
  display: flex;
  gap: 4px;
  margin-top: 18px;
  padding: 4px;
  border: 1px solid var(--border-soft);
  border-radius: 9px;
  background: var(--bg-panel);
}

.ta-auth-method {
  flex: 1;
  min-height: 34px;
  border-color: transparent;
  background: transparent;
  color: var(--text-2);
}

.ta-auth-method.is-active {
  border-color: var(--border);
  background: var(--mac-control);
  color: var(--text);
  box-shadow: 0 1px 2px rgb(0 0 0 / 10%);
}

.ta-field {
  display: grid;
  min-width: 0;
  gap: 5px;
}

.ta-field-label {
  color: var(--text-2);
  font-size: 12px;
  line-height: 1.4;
}

.ta-field input {
  width: 100%;
  min-width: 0;
  min-height: 40px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--mac-control);
  color: var(--text);
  font-size: 13px;
  line-height: 1.4;
}

.ta-field input:hover { border-color: color-mix(in srgb, var(--text-3) 55%, var(--border)); }
.ta-field input:focus { border-color: var(--accent); }
.ta-field input[aria-invalid="true"] { border-color: var(--danger); }
.ta-field input:disabled { opacity: .6; cursor: not-allowed; }

.ta-field input.ta-code-input {
  max-width: 220px;
  font-variant-numeric: tabular-nums;
  letter-spacing: .18em;
}

.ta-help,
.ta-message,
.ta-error {
  margin: 0;
  font-size: 12px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.ta-help { color: var(--text-3); }
.ta-message { color: var(--text-2); }
.ta-error { color: var(--danger); }

.ta-inline-error {
  display: block;
  margin-top: 1px;
  color: var(--danger);
  font-size: 12px;
  line-height: 1.45;
}

.ta-alert {
  margin-top: 18px;
  padding: 10px 12px;
  border: 1px solid color-mix(in srgb, var(--danger) 35%, var(--border));
  border-radius: 7px;
  background: color-mix(in srgb, var(--danger) 7%, var(--bg));
  color: var(--danger);
  font-size: 12px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.ta-alert-info {
  border-color: var(--border);
  background: var(--bg-panel);
  color: var(--text-2);
}

.ta-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 2px;
}

.ta-button {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  justify-content: center;
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--mac-control);
  color: var(--text-2);
  font-size: 12px;
  line-height: 1.35;
  text-align: center;
  cursor: pointer;
  transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease;
  -webkit-app-region: no-drag;
}

.ta-button:hover:not(:disabled) {
  background: var(--bg-hover);
  color: var(--text);
}

.ta-button:active:not(:disabled) { background: var(--bg-active); }
.ta-button:disabled { opacity: .5; cursor: not-allowed; }

.ta-button-primary {
  min-height: 38px;
  border-color: var(--mac-action);
  background: var(--mac-action);
  color: var(--accent-ink);
  font-weight: 600;
}

.ta-button-primary:hover:not(:disabled) {
  border-color: color-mix(in srgb, var(--mac-action) 86%, #000);
  background: color-mix(in srgb, var(--mac-action) 86%, #000);
  color: var(--accent-ink);
}

.ta-button-quiet {
  min-height: 32px;
  padding-inline: 7px;
  border-color: transparent;
  background: transparent;
  color: var(--text-2);
}

.ta-button-quiet:hover:not(:disabled) {
  border-color: transparent;
  background: var(--bg-hover);
  color: var(--text);
}

.ta-divider {
  height: 1px;
  margin: 20px 0 12px;
  border: 0;
  background: var(--border-soft);
}

.ta-switch-row {
  display: flex;
  min-height: 36px;
  align-items: center;
  gap: 5px;
}

.ta-switch-row .ta-button { margin-inline-start: -7px; }

.ta-company-name {
  max-width: 100%;
  margin-top: 4px;
  color: var(--text-2);
  font-size: 12px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.ta-blocked-title {
  margin: 25px 0 0;
  font-size: 18px;
  line-height: 1.4;
  font-weight: 630;
  letter-spacing: -0.015em;
  overflow-wrap: anywhere;
}

.ta-account {
  margin: 19px 0 0;
  color: var(--text-2);
  font-size: 12px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.ta-id-row {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding-top: 13px;
  border-top: 1px solid var(--border-soft);
}

.ta-id-copy {
  min-width: 0;
  flex: 1;
}

.ta-id-label {
  display: block;
  margin-bottom: 4px;
  color: var(--text-3);
  font-size: 11px;
  line-height: 1.4;
}

.ta-id-value {
  display: block;
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  line-height: 1.45;
  overflow-wrap: anywhere;
  user-select: text;
}

.ta-status-actions { margin-top: 19px; }

.ta-status-actions + .ta-switch-row { margin-top: 12px; }

.ta-loading {
  margin: 0;
  color: var(--text-2);
  font-size: 13px;
  line-height: 1.5;
}

.ta-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  clip-path: inset(50%);
}

@media (max-width: 680px) {
  .ta-stage { padding: 40px 26px 28px; }
}

@media (max-height: 580px) {
  .ta-stage { padding-top: 28px; padding-bottom: 24px; }
  .ta-form { margin-top: 17px; }
  .ta-divider { margin-top: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}