:root {
  color-scheme: dark;

  --bg: #08090c;
  --surface-1: #0e1015;
  --surface-2: #14171e;
  --surface-3: #191c24;

  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);

  --text-primary: #f4f4f5;
  --text-secondary: #a1a1aa;
  --text-tertiary: #6b6b74;

  --accent: #22c55e;
  --accent-dim: rgba(34, 197, 94, 0.14);
  --warning: #f59e0b;
  --warning-dim: rgba(245, 158, 11, 0.14);
  --danger: #ef4444;
  --danger-dim: rgba(239, 68, 68, 0.14);

  --radius-lg: 18px;
  --radius-md: 14px;

  --font:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  color: var(--text-primary);
  background: var(--bg);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}

.auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 380px;
  padding: 32px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface-1);
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  flex: none;
  border-radius: 10px;
  background: var(--surface-3);
  border: 1px solid var(--border-strong);
}

.brand-mark svg {
  width: 18px;
  height: 18px;
}

.auth-brand-name {
  font-size: 1.05rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.auth-brand-sub {
  margin-top: 2px;
  color: var(--text-tertiary);
  font-size: 0.78rem;
}

.auth-title {
  margin: 0 0 12px;
  font-size: 1.1rem;
  font-weight: 650;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.auth-google-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.auth-google-btn:hover {
  background: var(--surface-3);
  border-color: rgba(255, 255, 255, 0.24);
}

.auth-note {
  margin: 16px 0 0;
  color: var(--text-tertiary);
  font-size: 0.78rem;
  line-height: 1.6;
  text-align: center;
  overflow-wrap: anywhere;
}

.auth-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--surface-3);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.auth-status-pill .dot {
  width: 8px;
  height: 8px;
  flex: none;
  border-radius: 50%;
  background: var(--text-tertiary);
}

.auth-status-pill.success {
  border-color: rgba(34, 197, 94, 0.25);
}

.auth-status-pill.success .dot {
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.auth-status-pill.warn {
  border-color: rgba(245, 158, 11, 0.25);
}

.auth-status-pill.warn .dot {
  background: var(--warning);
  box-shadow: 0 0 0 3px var(--warning-dim);
}

.auth-status-pill.error {
  border-color: rgba(239, 68, 68, 0.25);
}

.auth-status-pill.error .dot {
  background: var(--danger);
  box-shadow: 0 0 0 3px var(--danger-dim);
}

.auth-identity {
  margin: 4px 0 18px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface-2);
  min-width: 0;
}

.auth-identity-name {
  font-size: 0.92rem;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.auth-identity-email {
  margin-top: 2px;
  color: var(--text-tertiary);
  font-size: 0.78rem;
  overflow-wrap: anywhere;
}

.auth-code-block {
  margin: 14px 0;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  color: var(--text-secondary);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.8rem;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.auth-code-block a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--border-strong);
}

.totp-qr-wrap {
  display: flex;
  justify-content: center;
  margin-top: 16px;
  padding: 16px;
  border-radius: var(--radius-md);
  background: #ffffff;
}

.totp-qr-image {
  display: block;
  width: 100%;
  max-width: 200px;
  height: auto;
  aspect-ratio: 1 / 1;
  image-rendering: pixelated;
}

.totp-setup-label {
  margin-top: 18px;
  color: var(--text-tertiary);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.totp-manual-secret {
  margin-top: 6px;
  text-align: center;
  letter-spacing: 0.08em;
  font-size: 0.92rem;
}

#totp-copy-btn {
  margin-top: 8px;
}

.totp-setup-details {
  margin-top: 16px;
  color: var(--text-tertiary);
  font-size: 0.78rem;
}

.totp-setup-details summary {
  cursor: pointer;
  color: var(--text-secondary);
  user-select: none;
}

.totp-setup-details summary:hover {
  color: var(--text-primary);
}

.totp-setup-details .auth-code-block {
  margin-bottom: 0;
}

.mfa-method-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}

.mfa-method {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  color: var(--text-primary);
  text-align: left;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.mfa-method:hover:not(:disabled) {
  background: var(--surface-3);
  border-color: rgba(255, 255, 255, 0.24);
}

.mfa-method:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.mfa-method-name {
  font-size: 0.92rem;
  font-weight: 650;
}

.mfa-method-desc {
  color: var(--text-tertiary);
  font-size: 0.76rem;
  line-height: 1.5;
}

.mfa-method:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.mfa-method:disabled .mfa-method-name {
  color: var(--text-secondary);
}

.totp-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 14px;
}

.totp-form .auth-secondary-btn {
  margin-top: 0;
}

.totp-label {
  color: var(--text-tertiary);
  font-size: 0.76rem;
  text-align: center;
}

.totp-input {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  color: var(--text-primary);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 1.3rem;
  font-weight: 650;
  letter-spacing: 0.35em;
  text-align: center;
  min-width: 0;
}

.totp-input:focus {
  outline: none;
  border-color: rgba(34, 197, 94, 0.5);
}

.auth-primary-btn {
  display: block;
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(34, 197, 94, 0.35);
  background: var(--accent-dim);
  color: var(--text-primary);
  text-align: center;
  font-size: 0.92rem;
  font-weight: 650;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.auth-primary-btn:hover:not(:disabled) {
  background: rgba(34, 197, 94, 0.22);
  border-color: rgba(34, 197, 94, 0.5);
}

.auth-primary-btn:disabled {
  opacity: 0.6;
  cursor: default;
}

.auth-error-note {
  margin: 14px 0 0;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(239, 68, 68, 0.25);
  background: var(--danger-dim);
  color: var(--text-primary);
  font-size: 0.78rem;
  line-height: 1.6;
  text-align: center;
  overflow-wrap: anywhere;
}

.auth-secondary-btn,
.auth-secondary-link {
  display: block;
  width: 100%;
  margin-top: 20px;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text-secondary);
  text-align: center;
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
}

.auth-secondary-btn:hover,
.auth-secondary-link:hover {
  background: var(--surface-2);
  color: var(--text-primary);
}

@media (max-width: 420px) {
  .auth-card {
    padding: 26px 20px;
  }
}