/* ============================================
   Forms
   ============================================ */
.drive-form {
  background-color: transparent;
  border: none;
  padding: 0;
  width: 100%;
  max-width: 600px;
  box-shadow: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  margin-left: auto;
  margin-right: auto;
}

.form-section {
  background-color: var(--color-surface);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.form-section-content {
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.field {
  margin-bottom: 0;
  display: flex;
  flex-direction: column;
}

.field label {
  display: block;
  margin-bottom: calc(var(--spacing-unit) * 0.625);
  font-weight: 600;
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.5;
}

.field input[type="text"],
.field input[type="email"],
.field input[type="password"],
.field input[type="datetime-local"],
.field textarea,
.form-input {
  width: 100%;
  padding: var(--spacing-lg) calc(var(--spacing-unit) * 1.25);
  min-height: 48px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  font-size: 1rem;
  font-family: inherit;
  background-color: var(--color-surface);
  color: var(--color-text);
  transition: var(--transition);
  appearance: none;
  -webkit-appearance: none;
  -webkit-tap-highlight-color: transparent;
}

.form-textarea {
  min-height: 100px;
  padding-top: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  line-height: 1.6;
  resize: vertical;
}

@media (hover: hover) {
  .field input:hover,
  .field textarea:hover {
    border-color: var(--color-primary-light);
  }
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
  background-color: var(--color-surface);
}

.field small {
  display: block;
  margin-top: var(--spacing-sm);
  color: var(--color-text-light);
  font-size: 0.875rem;
  line-height: 1.5;
}

.error-messages {
  background: linear-gradient(135deg, var(--color-error-soft) 0%, var(--color-error-soft-strong) 100%);
  border: 2px solid var(--color-error-soft-border);
  border-radius: var(--border-radius-sm);
  padding: calc(var(--spacing-unit) * 1.25);
  margin-bottom: var(--spacing-2xl);
  box-shadow: var(--shadow-sm);
}

.error-messages h3 {
  color: var(--color-error-strong);
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.error-messages ul {
  margin-left: var(--spacing-xl);
  color: var(--color-error-strong);
  font-size: 0.875rem;
  list-style-type: disc;
}

.error-messages li {
  margin-bottom: var(--spacing-xs);
}

.form-footer {
  margin-top: var(--spacing-xl);
  text-align: center;
}

.form-footer a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  padding: var(--spacing-sm);
  display: inline-block;
  transition: color 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}

@media (hover: hover) {
  .form-footer a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
  }
}

.form-footer a:active {
  color: var(--color-primary-dark);
  opacity: 0.8;
}

/* Form Title */
.form-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 var(--spacing-xl) 0;
  text-align: center;
  letter-spacing: -0.01em;
}

/* Desktop Form Styles */
@media (min-width: 769px) {
  .authentication-form-container .drive-form {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-3xl);
    box-shadow: var(--shadow-md);
    max-width: 480px;
    width: 100%;
  }

  /* Hide separate page header on desktop, show title inside form */
  .authentication-form-container .page-header {
    display: none;
  }

  .authentication-form-container .form-title {
    display: block;
  }

  /* Full-width buttons in authentication forms on desktop */
  .authentication-form-container .actions {
    flex-direction: column;
    width: 100%;
  }

  .authentication-form-container .actions .button,
  .authentication-form-container .actions .button-primary {
    width: 100%;
    min-height: 52px;
    font-size: 1.0625rem;
  }

  /* Hide mobile-only settings session block on desktop */
  .settings-section-session {
    display: none;
  }
}

/* Mobile Form Styles */
@media (max-width: 768px) {
  .drive-form {
    padding: 0;
    margin: 0;
    width: 100%;
    max-width: none;
    gap: var(--spacing-lg);
  }

  /* Hide separate page header on mobile, show title inside form */
  .authentication-form-container .page-header {
    display: none;
  }

  .authentication-form-container .form-title {
    display: block;
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
  }

  .form-section {
    border-radius: var(--border-radius);
    box-shadow: none;
  }

  .form-section-content {
    padding: var(--spacing-lg);
  }

  .form-actions {
    margin-top: 0;
    padding-top: calc(var(--spacing-unit) * 1.25);
  }

  .field label {
    font-size: 0.8125rem;
    margin-bottom: calc(var(--spacing-unit) * 0.625);
  }

  .field input,
  .field textarea,
  .form-input {
    font-size: 16px; /* Prevents zoom on iOS */
    padding: var(--spacing-lg) var(--spacing-lg);
    min-height: 44px;
  }

  .form-textarea {
    min-height: 100px;
  }
}

/* Dark mode error state tweaks */
[data-theme="dark"] .error-messages,
body[data-theme="dark"] .error-messages {
  background: linear-gradient(135deg, var(--color-error-soft) 0%, var(--color-error-soft-strong) 100%);
  border-color: #b91c1c;
}

[data-theme="dark"] .error-messages h3,
body[data-theme="dark"] .error-messages h3,
[data-theme="dark"] .error-messages ul,
body[data-theme="dark"] .error-messages ul {
  color: var(--color-error-soft-strong);
}