/**
 * AJAIA login page (frame 1c: centered card on paper).
 * Requires css/theme.css loaded first. Tokens only; no hard-coded colors.
 */

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

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-size: 14px;
  line-height: 1.55;
}

/* ---------- Layout ---------- */

.login-main {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 48px 20px;
}

.login-wrap {
  width: 100%;
  max-width: 420px;
}

/* ---------- Brand header ---------- */

.login-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: 26px;
  text-align: center;
}

/* Real AJAIA logo on the auth pages (replaces the old two-square mark) */
.login-brand-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  display: block;
  margin: 0 auto;
}

.auth-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 26px;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--ink);
}

.auth-subtitle {
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

/* ---------- Auth card ---------- */

.auth-card {
  border-radius: 16px;
  padding: 30px;
}

/* ---------- Form ---------- */

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 7px;
}

.form-label-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 7px;
}
.form-label-row .form-label {
  margin-bottom: 0;
}

.forgot-link {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  color: var(--accent-ink);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
.forgot-link:hover {
  color: var(--accent);
  text-decoration: underline;
}

.form-input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line-str);
  border-radius: 9px;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 14.5px;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.form-input::placeholder {
  color: var(--faint);
}
.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-sft);
}

/* Password field with Show/Hide toggle */
.input-wrapper {
  position: relative;
}
.input-wrapper .form-input {
  padding-right: 62px;
}

.password-toggle {
  position: absolute;
  top: 50%;
  right: 6px;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  padding: 8px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  transition: color 0.2s var(--ease);
}
.password-toggle:hover {
  color: var(--accent-ink);
}
.password-toggle::after {
  content: 'Show';
}
/* landing.js only swaps the input type; the label swap is CSS-driven */
.input-wrapper:has(.form-input[type='text']) .password-toggle::after {
  content: 'Hide';
}

/* ---------- Checkbox ---------- */

.checkbox-wrapper {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  margin-bottom: 18px;
  user-select: none;
}

.checkbox-wrapper input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkbox-custom {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 15px;
  height: 15px;
  border: 1.5px solid var(--line-str);
  border-radius: 4px;
  background: var(--surface);
  flex-shrink: 0;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.checkbox-custom::after {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 1.5px;
  background: transparent;
  transition: background 0.2s var(--ease);
}

.checkbox-wrapper input:checked + .checkbox-custom {
  border-color: var(--accent);
  background: var(--accent-sft);
}
.checkbox-wrapper input:checked + .checkbox-custom::after {
  background: var(--accent);
}
.checkbox-wrapper input:focus-visible + .checkbox-custom {
  box-shadow: 0 0 0 3px var(--accent-sft);
}

.checkbox-label {
  font-size: 13px;
  color: var(--ink-soft);
}

/* ---------- Buttons ---------- */

/* Fill color and hover come from .btn-accent in theme.css */
.btn-primary {
  width: 100%;
  border-radius: 9px;
  padding: 13px;
  font-size: 15px;
}
.btn-primary:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

.btn-icon {
  font-size: 15px;
  line-height: 1;
}

.btn-loader {
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-right-color: currentColor;
  border-radius: 50%;
  animation: login-spin 0.7s linear infinite;
}
@keyframes login-spin {
  to { transform: rotate(360deg); }
}

/* ---------- Error message ---------- */

.error-message {
  background: var(--danger-sft);
  border: 1px solid var(--danger);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 13px;
  color: var(--danger);
  margin-bottom: 16px;
}

/* ---------- Divider ---------- */

.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--line);
}
.auth-divider span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

/* ---------- OAuth buttons ---------- */

.oauth-buttons {
  display: flex;
  gap: 10px;
}

/* Border and hover come from .btn-outline in theme.css */
.oauth-btn {
  flex: 1;
  border-radius: 9px;
  padding: 11px;
  font-size: 13.5px;
}

/* ---------- Access note ---------- */

.auth-switch {
  margin-top: 18px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
}

.auth-switch-btn {
  color: var(--accent-ink);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
.auth-switch-btn:hover {
  color: var(--accent);
  text-decoration: underline;
}

/* ---------- MFA modal ---------- */

.mfa-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
/* Token-based scrim: paper tint over the page */
.mfa-modal-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--paper);
  opacity: 0.82;
}

.mfa-modal {
  position: relative;
  width: 100%;
  max-width: 400px;
  border-radius: 16px;
  overflow: hidden;
}

.mfa-modal-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 28px 28px 6px;
  text-align: center;
}
.mfa-modal-header h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.mfa-modal-header p {
  font-size: 13px;
  color: var(--muted);
}

.mfa-modal-body {
  padding: 20px 28px 24px;
}

.mfa-code-input-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 16px;
}

.mfa-code-input {
  width: 42px;
  height: 48px;
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--line-str);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.mfa-code-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-sft);
}
.mfa-code-input.error {
  border-color: var(--danger);
  animation: mfa-shake 0.35s var(--ease);
}
@keyframes mfa-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

.mfa-code-separator {
  font-family: var(--font-mono);
  color: var(--faint);
}

/* Backup-code input (injected by landing.js) */
.mfa-backup-input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line-str);
  border-radius: 8px;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.15em;
  text-align: center;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.mfa-backup-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-sft);
}
.mfa-backup-input::placeholder {
  color: var(--faint);
  letter-spacing: normal;
}

.mfa-error-message {
  background: var(--danger-sft);
  border: 1px solid var(--danger);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 13px;
  color: var(--danger);
  margin-bottom: 16px;
  text-align: center;
}

.mfa-trust-device {
  display: flex;
  justify-content: center;
}
.mfa-trust-device .checkbox-wrapper {
  margin-bottom: 18px;
}

.mfa-backup-link {
  margin-top: 14px;
  text-align: center;
}
.mfa-backup-link a {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--accent-ink);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
.mfa-backup-link a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.mfa-modal-footer {
  border-top: 1px solid var(--line);
  padding: 14px 28px;
  text-align: center;
  background: var(--surface-2);
}

.mfa-cancel-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  padding: 4px 10px;
  transition: color 0.2s var(--ease);
}
.mfa-cancel-btn:hover {
  color: var(--danger);
}

/* ---------- Footer ---------- */

.page-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding: 18px 32px;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-legal a {
  font-size: 12px;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
.footer-legal a:hover {
  color: var(--accent-ink);
}

.footer-copyright {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--muted);
}

/* ---------- Small screens ---------- */

@media (max-width: 480px) {
  .auth-card {
    padding: 22px;
  }
  .mfa-code-input {
    width: 38px;
    height: 44px;
  }
  .page-footer {
    justify-content: center;
    text-align: center;
  }
}