/* ── Login page layout ────────────────────────── */

.login-page {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  min-height: calc(100vh - 10rem);
}

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

.login-card {
  max-width: 480px;
  width: 100%;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
}

.login-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--teal);
  border-radius: 16px 16px 0 0;
}

/* ── Mode transition (crossfade) ────────────── */

.login-mode {
  transition: opacity 0.2s ease;
}

.login-mode[hidden] {
  display: none;
}

.login-mode--fading-out {
  opacity: 0;
}

.login-mode--fading-in {
  opacity: 0;
}

/* ── Section label ───────────────────────────── */

.login-card__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--ink-faint);
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
  margin-top: 0.5rem;
}

/* ── Social proof ────────────────────────────── */

.login-card__social-proof {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--ink-dim);
  margin-bottom: 0.5rem;
}

/* ── Heading ─────────────────────────────────── */

.login-card__heading {
  font-family: "Darker Grotesque", sans-serif;
  font-weight: 800;
  font-size: 1.75rem;
  color: var(--ink);
  margin-bottom: 1rem;
  line-height: 1.2;
}

/* ── Value proposition bullets ────────────────── */

.login-card__value-props {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.login-card__value-prop {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--ink-dim);
  line-height: 1.4;
}

.login-card__check-icon {
  flex-shrink: 0;
}

/* ── Google OAuth button ─────────────────────── */

.login-form__google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.65rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink);
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.login-form__google:hover {
  border-color: var(--line-hover);
  background: var(--bg-2);
}

.login-form__google:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.login-form__google-icon {
  flex-shrink: 0;
}

/* ── OR divider ──────────────────────────────── */

.login-form__divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1rem 0;
}

.login-form__divider-line {
  flex: 1;
  height: 1px;
  background: var(--line);
}

.login-form__divider-text {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--ink-faint);
  text-transform: lowercase;
  letter-spacing: 0.04em;
}

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

.login-form__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.4rem;
}

.login-form__input {
  display: block;
  width: 100%;
  font-family: "Darker Grotesque", sans-serif;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.4;
  color: var(--teal);
  background: var(--teal-dim);
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.65rem 1.2rem;
  outline: none;
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
  caret-color: var(--teal);
}

.login-form__input::placeholder {
  color: var(--ink-faint);
  font-weight: 500;
}

.login-form__input:focus {
  border-color: var(--teal);
  background: rgba(69, 216, 197, 0.18);
  box-shadow: 0 0 0 3px rgba(69, 216, 197, 0.08);
}

/* ── Email field wrap (with validation icon) ── */

.login-form__field-wrap {
  position: relative;
  margin-bottom: 0.75rem;
}

.login-form__validation-icon {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1rem;
  line-height: 1;
  pointer-events: none;
  display: flex;
  align-items: center;
}

.login-form__field-wrap .login-form__input {
  padding-right: 2.5rem;
}

/* Validation states on email inputs */
.login-form__input--valid {
  border-color: var(--teal);
}

.login-form__input--invalid {
  border-color: var(--danger);
}

.login-form__hint {
  margin-top: 0.75rem;
  font-family: "Darker Grotesque", sans-serif;
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink-dim);
  line-height: 1.5;
}

/* ── Form options row (remember + forgot) ───── */

.login-form__options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.6rem;
  margin-bottom: 0.25rem;
}

.login-form__remember {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
}

.login-form__remember input[type="checkbox"] {
  width: 14px;
  height: 14px;
  accent-color: var(--teal);
  cursor: pointer;
}

.login-form__remember-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--ink-faint);
}

.login-form__forgot {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--ink-faint);
  text-decoration: none;
  transition: color 0.15s ease;
}

.login-form__forgot:hover {
  color: var(--ink-dim);
}

.login-form__forgot:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ── Submit button (CLI style) ───────────────── */

.login-form__submit {
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  color: var(--bg-0);
  background: var(--teal);
  border: none;
  border-radius: 6px;
  padding: 0.7rem 1.75rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: filter 0.15s ease, opacity 0.25s ease, transform 0.1s ease;
  white-space: nowrap;
}

.login-form__submit:hover:not(:disabled) {
  filter: brightness(0.9);
}

.login-form__submit:active:not(:disabled) {
  transform: scale(0.97);
}

.login-form__submit:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.login-form__submit:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.login-form__submit--continue {
  margin-top: 1rem;
}

.login-form__chevron {
  display: flex;
  align-items: center;
}

/* ── Button loading spinner ──────────────────── */

.login-form__spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--bg-0);
  border-top-color: transparent;
  border-radius: 50%;
  animation: auth-spin 0.6s linear infinite;
}

.login-form__spinner[hidden] {
  display: none;
}

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

/* ── Progressive disclosure step transition ──── */

.login-form__step-hidden {
  overflow: hidden;
}

.login-form__step-reveal {
  animation: auth-step-reveal 0.3s ease forwards;
}

@keyframes auth-step-reveal {
  from {
    opacity: 0;
    max-height: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    max-height: 400px;
    transform: translateY(0);
  }
}

/* ── Footnote ────────────────────────────────── */

.login-card__footnote {
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--ink-faint);
  line-height: 1.5;
}

/* ── Success state ───────────────────────────── */

.login-card__success {
  text-align: center;
  padding: 1rem 0;
}

.login-card__success-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--teal-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}

.login-card__success-icon svg {
  width: 24px;
  height: 24px;
}

.login-card__success-heading {
  font-family: "Darker Grotesque", sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--ink);
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.login-card__success-text {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-faint);
  line-height: 1.5;
  word-break: break-all;
}

.login-card__success-text span {
  color: var(--teal);
}

/* ── Error state ─────────────────────────────── */

.login-card__error {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--danger-line);
  border-radius: 8px;
  background: var(--danger-bg);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--danger);
  line-height: 1.5;
}

/* ── Responsive ──────────────────────────────── */

@media (max-width: 600px) {
  .login-page {
    padding: 1rem;
    align-items: flex-start;
    padding-top: 2rem;
  }

  .login-card {
    padding: 1.5rem;
    border-radius: 12px;
  }

  .login-card__heading {
    font-size: 1.4rem;
  }

  .login-form__submit {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .login-form__google {
    font-size: 0.75rem;
  }

  .login-form__options {
    flex-wrap: wrap;
    gap: 0.4rem;
  }
}

@media (max-width: 380px) {
  .login-card {
    padding: 1.25rem;
  }

  .login-card__heading {
    font-size: 1.25rem;
  }
}