/**
 * Authentication Styles - Project Minerva
 * Styles for login, signup, password reset, and verification pages
 */

/* ================================
   Auth Page Layout
   ================================ */

.auth-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--space-4);
  background: linear-gradient(
    135deg,
    var(--user-bg-primary) 0%,
    var(--user-primary-50) 50%,
    var(--user-bg-tertiary) 100%
  );
}

/* ================================
   Auth Card Container
   ================================ */

.auth-card {
  width: 100%;
  max-width: 420px;
  background-color: var(--user-bg-secondary);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  padding: var(--space-8);
}

.auth-card--wide {
  max-width: 480px;
}

/* ================================
   Auth Logo
   ================================ */

.auth-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: var(--space-6);
}

.auth-logo__image {
  width: 72px;
  height: 72px;
  margin-bottom: var(--space-3);
}

.auth-logo__text {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--user-primary-700);
  margin: 0;
}

.auth-logo__tagline {
  font-size: var(--text-sm);
  color: var(--user-text-muted);
  margin-top: var(--space-1);
}

/* ================================
   Auth Header
   ================================ */

.auth-header {
  text-align: center;
  margin-bottom: var(--space-6);
}

.auth-header__title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--user-primary-800);
  margin: 0 0 var(--space-2) 0;
}

.auth-header__subtitle {
  font-size: var(--text-sm);
  color: var(--user-text-muted);
  margin: 0;
}

/* ================================
   Auth Form
   ================================ */

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.auth-form__group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.auth-form__row {
  display: flex;
  gap: var(--space-4);
}

.auth-form__row .auth-form__group {
  flex: 1;
}

@media (max-width: 480px) {
  .auth-form__row {
    flex-direction: column;
    gap: var(--space-5);
  }
}

/* ================================
   Auth Form Options
   ================================ */

.auth-form__options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ================================
   Auth Footer Links
   ================================ */

.auth-footer {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--neutral-200);
  text-align: center;
}

.auth-footer__text {
  font-size: var(--text-sm);
  color: var(--user-text-muted);
}

.auth-footer__link {
  color: var(--user-primary-600);
  font-weight: var(--font-medium);
  text-decoration: none;
}

.auth-footer__link:hover {
  color: var(--user-primary-700);
  text-decoration: underline;
}

/* ================================
   Auth Messages
   ================================ */

.auth-message {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-5);
}

.auth-message__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.auth-message__content {
  flex: 1;
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}

.auth-message--error {
  background-color: var(--error-light);
  border: 1px solid var(--error);
  color: var(--error);
}

.auth-message--success {
  background-color: var(--success-light);
  border: 1px solid var(--success);
  color: #166534;
}

.auth-message--info {
  background-color: var(--info-light);
  border: 1px solid var(--info);
  color: #1e40af;
}

.auth-message--warning {
  background-color: var(--warning-light);
  border: 1px solid var(--warning);
  color: #92400e;
}

/* ================================
   Password Strength Indicator
   ================================ */

.password-strength {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.password-strength__bar {
  display: flex;
  gap: var(--space-1);
  height: 4px;
}

.password-strength__segment {
  flex: 1;
  background-color: var(--neutral-200);
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast);
}

.password-strength--weak .password-strength__segment:nth-child(1) {
  background-color: var(--error);
}

.password-strength--fair .password-strength__segment:nth-child(1),
.password-strength--fair .password-strength__segment:nth-child(2) {
  background-color: var(--warning);
}

.password-strength--good .password-strength__segment:nth-child(1),
.password-strength--good .password-strength__segment:nth-child(2),
.password-strength--good .password-strength__segment:nth-child(3) {
  background-color: var(--info);
}

.password-strength--strong .password-strength__segment {
  background-color: var(--success);
}

.password-strength__text {
  font-size: var(--text-xs);
  color: var(--user-text-muted);
}

.password-strength--weak .password-strength__text {
  color: var(--error);
}

.password-strength--fair .password-strength__text {
  color: var(--warning);
}

.password-strength--good .password-strength__text {
  color: var(--info);
}

.password-strength--strong .password-strength__text {
  color: var(--success);
}

/* ================================
   Password Requirements List
   ================================ */

.password-requirements {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0 0 0;
  font-size: var(--text-sm);
  color: var(--user-text-secondary);
}

.password-requirements__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) 0;
}

.password-requirements__icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--neutral-400);
}

.password-requirements__item--valid .password-requirements__icon {
  color: var(--success);
}

.password-requirements__item--valid {
  color: var(--success);
}

/* ================================
   Two-Factor Code Input
   ================================ */

.auth-code-input {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin: var(--space-6) 0;
}

.auth-code-input__field {
  width: 48px;
  height: 56px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  border: 2px solid var(--neutral-300);
  border-radius: var(--radius-lg);
  background-color: var(--user-bg-secondary);
  transition: all var(--transition-fast);
}

.auth-code-input__field:focus {
  outline: none;
  border-color: var(--user-primary-500);
  box-shadow: 0 0 0 3px var(--user-primary-100);
}

.auth-code-input__field:hover {
  border-color: var(--neutral-400);
}

/* ================================
   Verification Success State
   ================================ */

.auth-success {
  text-align: center;
}

.auth-success__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-6);
  background-color: var(--success-light);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--success);
}

.auth-success__icon svg {
  width: 40px;
  height: 40px;
}

/* ================================
   Auth Divider
   ================================ */

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-5) 0;
}

.auth-divider__line {
  flex: 1;
  height: 1px;
  background-color: var(--neutral-200);
}

.auth-divider__text {
  font-size: var(--text-sm);
  color: var(--user-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ================================
   Auth Links Group
   ================================ */

.auth-links {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.auth-links__link {
  font-size: var(--text-sm);
  color: var(--user-primary-600);
  text-decoration: none;
}

.auth-links__link:hover {
  color: var(--user-primary-700);
  text-decoration: underline;
}

.auth-links__separator {
  color: var(--neutral-300);
}

/* ================================
   Responsive Adjustments
   ================================ */

@media (max-width: 480px) {
  .auth-page {
    padding: var(--space-4) var(--space-3);
  }

  .auth-card {
    padding: var(--space-6);
    border-radius: var(--radius-xl);
  }

  .auth-logo__image {
    width: 56px;
    height: 56px;
  }

  .auth-header__title {
    font-size: var(--text-xl);
  }

  .auth-code-input__field {
    width: 40px;
    height: 48px;
    font-size: var(--text-xl);
  }
}

/* ================================
   Admin Login Link
   ================================ */

.auth-admin-link {
  margin-top: var(--space-6);
  text-align: center;
}

.auth-admin-link__button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  color: var(--neutral-500);
  text-decoration: none;
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  background-color: transparent;
  transition: all var(--transition-fast);
}

.auth-admin-link__button:hover {
  color: var(--admin-primary-600, #6366f1);
  border-color: var(--admin-primary-300, #a5b4fc);
  background-color: var(--admin-primary-50, #eef2ff);
}

.auth-admin-link__button svg {
  width: 16px;
  height: 16px;
}

/* ================================
   Background Decoration
   ================================ */

.auth-page::before {
  content: '';
  position: fixed;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(
    circle,
    rgba(34, 197, 94, 0.08) 0%,
    transparent 70%
  );
  pointer-events: none;
  z-index: -1;
}

.auth-page::after {
  content: '';
  position: fixed;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(
    circle,
    rgba(212, 165, 116, 0.1) 0%,
    transparent 70%
  );
  pointer-events: none;
  z-index: -1;
}