/**
 * Authentication Pages Styles
 * Material Design 3 for Login, Register, etc.
 */

/* ============================================
   Authentication Wrapper
   ============================================ */

.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--md-sys-spacing-lg);
  background: linear-gradient(135deg,
    var(--md-sys-color-primary-container) 0%,
    var(--md-sys-color-surface-container-low) 100%);
}

/* ============================================
   Authentication Card
   ============================================ */

.auth-card {
  width: min(480px, 100%);
  background-color: var(--md-sys-color-surface);
  border-radius: var(--md-sys-shape-corner-extra-large);
  padding: var(--md-sys-spacing-2xl);
  box-shadow: var(--md-sys-elevation-3);
}

.auth-card--wide {
  width: min(560px, 100%);
}

/* ============================================
   Authentication Header
   ============================================ */

.auth-card__header {
  margin-bottom: var(--md-sys-spacing-xl);
}

.auth-card__header h1 {
  font-size: var(--md-sys-typescale-headline-medium-size);
  font-weight: var(--md-sys-typescale-headline-medium-weight);
  color: var(--md-sys-color-on-surface);
  margin: 0 0 var(--md-sys-spacing-sm);
}

.auth-card__header p {
  font-size: var(--md-sys-typescale-body-medium-size);
  color: var(--md-sys-color-on-surface-variant);
  margin: 0;
}

/* ============================================
   Authentication Form
   ============================================ */

.auth-card__form {
  display: flex;
  flex-direction: column;
  gap: var(--md-sys-spacing-lg);
}

.auth-card__form-field {
  display: flex;
  flex-direction: column;
  gap: var(--md-sys-spacing-xs);
}

.auth-card__label {
  font-size: var(--md-sys-typescale-label-large-size);
  font-weight: var(--md-sys-typescale-label-large-weight);
  color: var(--md-sys-color-on-surface);
}

.auth-card__input {
  width: 100%;
  padding: 16px;
  border: 1px solid var(--md-sys-color-outline);
  border-radius: var(--md-sys-shape-corner-extra-small);
  background-color: var(--md-sys-color-surface);
  color: var(--md-sys-color-on-surface);
  font-family: var(--md-sys-typescale-font-family);
  font-size: var(--md-sys-typescale-body-large-size);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.auth-card__input:focus {
  border-color: var(--md-sys-color-primary);
  box-shadow: 0 0 0 1px var(--md-sys-color-primary);
}

.auth-card__input--error {
  border-color: var(--md-sys-color-error);
}

.auth-card__input--error:focus {
  box-shadow: 0 0 0 1px var(--md-sys-color-error);
}

.auth-card__error {
  display: block;
  color: var(--md-sys-color-error);
  font-size: var(--md-sys-typescale-body-small-size);
  margin-top: var(--md-sys-spacing-xs);
}

/* ============================================
   Checkbox / Remember Me
   ============================================ */

.auth-card__remember {
  display: flex;
  align-items: center;
  gap: var(--md-sys-spacing-sm);
  font-size: var(--md-sys-typescale-body-medium-size);
  color: var(--md-sys-color-on-surface);
  cursor: pointer;
  user-select: none;
}

.auth-card__remember input[type="checkbox"] {
  appearance: none;
  width: 20px;
  height: 20px;
  border: 2px solid var(--md-sys-color-on-surface-variant);
  border-radius: var(--md-sys-shape-corner-extra-small);
  cursor: pointer;
  position: relative;
  transition: all 0.2s;
}

.auth-card__remember input[type="checkbox"]:checked {
  background-color: var(--md-sys-color-primary);
  border-color: var(--md-sys-color-primary);
}

.auth-card__remember input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 2px;
  width: 4px;
  height: 10px;
  border: solid var(--md-sys-color-on-primary);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* ============================================
   Submit Button
   ============================================ */

.auth-card__submit {
  width: 100%;
  padding: 14px 24px;
  border: none;
  border-radius: var(--md-sys-shape-corner-full);
  background-color: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  font-family: var(--md-sys-typescale-font-family);
  font-size: var(--md-sys-typescale-label-large-size);
  font-weight: var(--md-sys-typescale-label-large-weight);
  cursor: pointer;
  transition: all 0.2s;
  margin-top: var(--md-sys-spacing-sm);
}

.auth-card__submit:hover {
  box-shadow: var(--md-sys-elevation-1);
  background-color: #1565c0;
}

.auth-card__submit:active {
  box-shadow: var(--md-sys-elevation-0);
}

/* ============================================
   Auth Alert / Notice
   ============================================ */

.auth-alert {
  padding: var(--md-sys-spacing-md);
  border-radius: var(--md-sys-shape-corner-medium);
  margin-bottom: var(--md-sys-spacing-md);
  font-size: var(--md-sys-typescale-body-medium-size);
}

.auth-alert--info {
  background-color: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
}

.auth-alert--warning {
  background-color: #fff3cd;
  color: #856404;
}

.auth-alert--error {
  background-color: var(--md-sys-color-error-container);
  color: var(--md-sys-color-on-error-container);
}

.auth-alert--success {
  background-color: #d4edda;
  color: #155724;
}

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

.auth-card__links {
  margin-top: var(--md-sys-spacing-lg);
  text-align: center;
}

.auth-card__link {
  color: var(--md-sys-color-primary);
  text-decoration: none;
  font-size: var(--md-sys-typescale-body-medium-size);
}

.auth-card__link:hover {
  text-decoration: underline;
}

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

@media (max-width: 480px) {
  .auth-wrapper {
    padding: var(--md-sys-spacing-md);
  }

  .auth-card {
    padding: var(--md-sys-spacing-lg);
  }

  .auth-card__header h1 {
    font-size: var(--md-sys-typescale-headline-small-size);
  }
}