/* The hidden attribute must always win — otherwise display:flex/grid on a
   .login-form overrides it and the show/hide step logic breaks. */
[hidden] { display: none !important; }

/* ─── Login shell ─────────────────────────────── */

.login-shell {
  position: relative;
  z-index: 2;
  width: min(440px, calc(100% - 2rem));
  margin: 0 auto;
  min-height: 100vh;
  padding: 2rem 0 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
}

.login-back {
  position: absolute;
  top: 1.75rem;
  right: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-faint);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.login-back svg { transform: scaleX(-1); }
.login-back:hover { color: var(--primary); }
.login-back:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 6px; }

/* ─── Card ────────────────────────────────────── */

.login-card {
  width: 100%;
  padding: 2.25rem 2rem 2rem;
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.4rem;
  animation: rise 0.65s ease both;
  position: relative;
  overflow: hidden;
}

.login-card::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(255,255,255,0.9) 30%,
    rgba(252, 79, 45, 0.5) 55%,
    rgba(255,255,255,0.9) 80%,
    transparent 100%
  );
}

.login-card__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.6rem;
}

.login-card__logo {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  object-fit: contain;
  background: var(--glass-strong);
  padding: 8px;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.8),
    0 4px 12px rgba(14, 29, 66, 0.10),
    0 0 0 4px rgba(252, 79, 45, 0.08);
  margin-bottom: 0.2rem;
}

.login-card__brand h1 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.login-card__brand p {
  margin: 0;
  font-size: 0.87rem;
  color: var(--text-faint);
  line-height: 1.65;
  max-width: 32ch;
}

.sso-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--violet);
  background: var(--violet-soft);
  border: 1px solid rgba(109, 94, 252, 0.22);
  letter-spacing: 0.01em;
}

/* ─── Step indicator ──────────────────────────── */

.otp-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  font-weight: 600;
}

.otp-steps__item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--text-faint);
  transition: color var(--transition-fast);
}

.otp-steps__item[data-active="true"] { color: var(--text); }

.otp-steps__dot {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-faint);
  background: var(--glass-strong);
  border: 1.5px solid rgba(14, 29, 66, 0.14);
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.otp-steps__item[data-active="true"] .otp-steps__dot {
  color: #fff;
  background: linear-gradient(140deg, var(--primary-lite), var(--primary));
  border-color: transparent;
  box-shadow: 0 2px 8px rgba(var(--primary-rgb), 0.30);
}

.otp-steps__item[data-done="true"] .otp-steps__dot {
  color: #fff;
  background: var(--violet);
  border-color: transparent;
}

.otp-steps__sep {
  flex: 0 0 28px;
  height: 2px;
  border-radius: 2px;
  background: rgba(14, 29, 66, 0.12);
}

.field__hint {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--text-faint);
}

/* ─── Form ────────────────────────────────────── */

.login-form {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.form-error,
.form-info {
  width: 100%;
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  line-height: 1.6;
}

.form-error {
  background: rgba(220, 38, 38, 0.08);
  border: 1px solid rgba(220, 38, 38, 0.22);
  color: #b91c1c;
}

.form-info {
  background: var(--success-soft);
  border: 1px solid rgba(22, 163, 74, 0.22);
  color: #15803d;
}

.link-btn {
  border: none;
  background: transparent;
  color: var(--primary);
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.4rem;
  text-align: center;
}

.link-btn:hover { text-decoration: underline; }
.link-btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 6px; }

.code-input {
  width: 100%;
  min-height: 54px;
  padding: 0.6rem 1rem;
  border: 1.5px solid rgba(14, 29, 66, 0.12);
  border-radius: var(--radius-sm);
  background: rgba(var(--surface-rgb), 0.70);
  font: inherit;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.5em;
  text-align: center;
  color: var(--text);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.code-input:focus {
  border-color: rgba(var(--primary-rgb), 0.45);
  box-shadow: 0 0 0 4px rgba(var(--primary-rgb), 0.10);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.field__label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.field__hint-link {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--primary);
  text-decoration: none;
}

.field__hint-link:hover { text-decoration: underline; }
.field__hint-link:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 4px; }

.field__control {
  position: relative;
  display: flex;
  align-items: center;
}

.field__control svg {
  position: absolute;
  right: 0.9rem;
  width: 18px;
  height: 18px;
  color: var(--text-faint);
  pointer-events: none;
  flex-shrink: 0;
}

.field__control input {
  width: 100%;
  min-height: 48px;
  padding: 0.75rem 2.75rem 0.75rem 1rem;
  border: 1.5px solid rgba(14, 29, 66, 0.12);
  border-radius: var(--radius-sm);
  background: rgba(var(--surface-rgb), 0.70);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  font: inherit;
  font-size: 0.95rem;
  color: var(--text);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.field__control:has(.field__toggle) input {
  padding-left: 2.75rem;
}

.field__control input::placeholder { color: var(--text-faint); }

.field__control input:focus {
  border-color: rgba(var(--primary-rgb), 0.45);
  background: rgba(var(--surface-rgb), 0.90);
  box-shadow: 0 0 0 4px rgba(var(--primary-rgb), 0.10);
}

.field[data-invalid="true"] .field__control input {
  border-color: rgba(220, 38, 38, 0.5);
}

.field[data-invalid="true"] .field__control input:focus {
  box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.10);
}

.field__toggle {
  position: absolute;
  left: 0.6rem;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--text-faint);
  cursor: pointer;
  border-radius: 8px;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.field__toggle svg { position: static; width: 18px; height: 18px; }
.field__toggle:hover { color: var(--text); background: rgba(14, 29, 66, 0.06); }
.field__toggle:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

.field__error {
  margin: 0;
  font-size: 0.78rem;
  color: #dc2626;
  font-weight: 500;
}

/* ─── Checkbox ────────────────────────────────── */

.checkbox {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
}

.checkbox input {
  position: absolute;
  opacity: 0;
  width: 20px;
  height: 20px;
  margin: 0;
  cursor: pointer;
}

.checkbox__box {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  border-radius: 6px;
  border: 1.5px solid rgba(14, 29, 66, 0.2);
  background: rgba(255, 255, 255, 0.7);
  display: grid;
  place-items: center;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.checkbox__box svg {
  width: 12px;
  height: 12px;
  color: #fff;
  opacity: 0;
  transform: scale(0.6);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.checkbox input:checked + .checkbox__box {
  background: var(--primary);
  border-color: var(--primary);
}

.checkbox input:checked + .checkbox__box svg {
  opacity: 1;
  transform: scale(1);
}

.checkbox input:focus-visible + .checkbox__box {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ─── Submit ──────────────────────────────────── */

.submit-btn {
  position: relative;
  min-height: 50px;
  border: none;
  border-radius: var(--radius-sm);
  background: linear-gradient(140deg, var(--primary-lite), var(--primary));
  color: #fff;
  font: inherit;
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(var(--primary-rgb), 0.32), 0 2px 6px rgba(var(--primary-rgb), 0.20);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
}

.submit-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(var(--primary-rgb), 0.40); }
.submit-btn:active { transform: translateY(0); }
.submit-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.submit-btn:disabled {
  cursor: default;
  opacity: 0.85;
  transform: none;
}

.submit-btn__spinner {
  display: none;
  position: absolute;
  top: 50%;
  right: 50%;
  translate: 50% -50%;
  width: 18px;
  height: 18px;
  border: 2.5px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.submit-btn[data-loading="true"] .submit-btn__label { opacity: 0; }
.submit-btn[data-loading="true"] .submit-btn__spinner { display: block; }

@keyframes spin { to { transform: rotate(360deg); } }

.login-footnote {
  max-width: 36ch;
  margin: 0;
  text-align: center;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--text-faint);
  animation: rise 0.85s ease 0.1s both;
}

/* ─── Dark mode (matches the hub; hub.css remaps --surface-rgb/--text) ── */

html[data-mode="dark"] .field__control input,
html[data-mode="dark"] .code-input {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(var(--surface-rgb), 0.55);
}

html[data-mode="dark"] .field__control input:focus,
html[data-mode="dark"] .code-input:focus {
  background: rgba(var(--surface-rgb), 0.72);
}

html[data-mode="dark"] .otp-steps__dot { border-color: rgba(255, 255, 255, 0.16); }
html[data-mode="dark"] .otp-steps__sep { background: rgba(255, 255, 255, 0.14); }

html[data-mode="dark"] .form-error {
  background: rgba(248, 113, 113, 0.12);
  border-color: rgba(248, 113, 113, 0.30);
  color: #fca5a5;
}

html[data-mode="dark"] .form-info {
  background: rgba(74, 222, 128, 0.12);
  border-color: rgba(74, 222, 128, 0.30);
  color: #86efac;
}

/* ─── Authenticator method note (step 2, TOTP users) ──────────────────── */

.method-note {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--violet);
  background: var(--violet-soft);
  border: 1px solid rgba(var(--violet-rgb), 0.22);
}

.method-note svg { width: 16px; height: 16px; flex-shrink: 0; }

@media (prefers-reduced-motion: reduce) {
  .submit-btn__spinner { animation: none; }
  .login-card, .login-footnote { animation: none; }
}

@media (max-width: 420px) {
  .login-card { padding: 1.75rem 1.35rem 1.6rem; }
}