/*
 * LOGIN02 - Split-Screen Authentication Page
 * Carousel on left, login form on right
 */

/* Page Layout */
.auth-page {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100vh;
    display: flex;
    background: var(--bg-base);
    overflow: hidden;
}

.auth-split {
    display: flex;
    width: 100%;
    height: 100%;
}

/* Left Side - Carousel */
.auth-carousel-section {
    flex: 1;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-primary-dark, var(--accent-primary)) 100%);
    display: none;
    height: 100%;
}

@media (min-width: 1024px) {
    .auth-carousel-section {
        display: block;
    }
}

/* Right Side - Form */
.auth-form-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-lg) 3rem;
    background: var(--bg-base);
    height: 100%;
    overflow-y: auto;
}

/* Form Container */
.auth-form-container {
    width: 100%;
    max-width: 480px;
    margin: auto;
    animation: auth-fadeInUp 0.5s ease;
}

@keyframes auth-fadeInUp {
    from {
        opacity: 0;
        transform: translateY(1.25rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Logo */
.auth-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-5xl);
    text-decoration: none;
}

.auth-logo-mark {
    width: var(--icon-3xl);
    height: var(--icon-3xl);
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-primary-dark, var(--accent-primary)) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.auth-logo-mark svg {
    width: var(--icon-md);
    height: var(--icon-md);
    color: var(--text-inverse);
}

.auth-logo-text {
    font-size: var(--text-4xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

/* Headings */
.auth-heading {
    text-align: center;
    margin-bottom: var(--spacing-sm);
    font-size: var(--text-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
}

.auth-subheading {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
    color: var(--text-secondary);
    font-size: var(--text-base);
}

/* Form
   spacing-md (12px) is the token's documented "form gaps" value;
   the previous spacing-xl (20px) was mis-applied as inter-field gap
   (its own comment reserves it for "between sections"). */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* Give the submit button + alert row a touch more breathing room
   than the inter-field gap, so the call-to-action reads as separated. */
.auth-form > .auth-button,
.auth-form > .auth-form-alert {
    margin-top: var(--spacing-2xs);
}

.auth-form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.auth-form-label {
    font-size: var(--text-md);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

.auth-form-input {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: var(--text-base);
    color: var(--text-primary);
    background: var(--bg-card, var(--bg-base));
    border: var(--border-width) solid var(--border);
    border-radius: var(--radius-md, 0.5rem);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.auth-form-input:focus-visible {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-primary-light);
}

.auth-form-input::placeholder {
    color: var(--text-muted, var(--text-secondary));
}

.auth-form-error {
    font-size: var(--text-sm);
    color: var(--status-error);
    min-height: 1rem;
}

.auth-form-alert {
    margin-top: var(--spacing-md, 1rem);
}

.auth-form-alert .alert {
    width: 100%;
}

.auth-form-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.auth-form-checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--text-md);
    color: var(--text-secondary);
}

.auth-form-checkbox input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--accent-primary);
}

.auth-form-link {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: var(--text-md);
    transition: color var(--transition-base);
}

.auth-form-link:hover {
    color: var(--accent-primary-dark, var(--accent-primary));
}

.auth-button {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: var(--text-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-inverse);
    background: var(--accent-primary);
    border: none;
    border-radius: var(--radius-md, 0.5rem);
    cursor: pointer;
    transition: background var(--transition-base), box-shadow var(--transition-base);
}

.auth-button:hover {
    background: var(--accent-primary-dark, var(--accent-primary));
    box-shadow: var(--shadow-md);
}

/* Divider */
.auth-form-divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin: var(--spacing-sm) 0;
}

.auth-form-divider::before,
.auth-form-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.auth-form-divider span {
    font-size: var(--text-sm);
    color: var(--text-muted, var(--text-secondary));
    font-weight: var(--font-weight-medium);
}

/* Social Buttons */
.auth-social-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin: var(--spacing-sm) 0;
}

.auth-social-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--bg-card, var(--bg-base));
    color: var(--text-primary);
    border: var(--border-width) solid var(--border);
    border-radius: var(--radius-md, 0.5rem);
    font-size: var(--text-base);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-base);
    width: 100%;
}

.auth-social-button:hover {
    background: var(--bg-hover, var(--bg-card));
    box-shadow: var(--shadow-sm);
}

.auth-social-button svg {
    width: var(--icon-sm);
    height: var(--icon-sm);
    flex-shrink: 0;
}

/* Footer */
.auth-form-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2xs);
    margin-top: var(--spacing-sm);
    font-size: var(--text-md);
    color: var(--text-secondary);
}

/* Multi-Principal Chooser (auth/select-workspace-role) */
.auth-principal-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    list-style: none;
    padding: 0;
    margin: var(--spacing-lg) 0 0;
}

.auth-principal-card {
    list-style: none;
}

.auth-principal-form {
    margin: 0;
}

.auth-principal-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    width: 100%;
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--bg-card, var(--bg-base));
    color: var(--text-primary);
    border: var(--border-width) solid var(--border);
    border-radius: var(--radius-md, 0.5rem);
    font-family: inherit;
    font-size: var(--text-base);
    text-align: left;
    cursor: pointer;
    transition: background var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.auth-principal-button:hover {
    background: var(--bg-hover, var(--bg-card));
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-sm);
}

.auth-principal-button:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.auth-principal-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: var(--icon-lg, 2.5rem);
    height: var(--icon-lg, 2.5rem);
    color: var(--accent-primary);
}

.auth-principal-icon svg {
    width: var(--icon-md, 1.5rem);
    height: var(--icon-md, 1.5rem);
}

.auth-principal-text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xs);
    min-width: 0;
    flex: 1;
}

.auth-principal-name {
    font-size: var(--text-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    line-height: 1.3;
}

.auth-principal-subtitle {
    font-size: var(--text-sm);
    font-weight: var(--font-weight-regular, 400);
    color: var(--text-secondary);
    line-height: 1.3;
}

.auth-empty-state {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--text-md);
    background: var(--bg-card, var(--bg-base));
    border: var(--border-width) dashed var(--border);
    border-radius: var(--radius-md, 0.5rem);
}

.auth-form-footer--spaced {
    margin-top: var(--spacing-2xl);
}

/* Responsive */
@media (max-width: 1023px) {
    .auth-form-section {
        padding: var(--spacing-4xl) var(--spacing-2xl);
        height: 100%;
    }

    .auth-form-container {
        max-width: 100%;
    }
}

@media (max-width: 640px) {
    .auth-form-section {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }

    .auth-logo {
        margin-bottom: var(--spacing-4xl);
    }
}

@media (prefers-reduced-motion: reduce) {
    .auth-form-container {
        animation: none;
    }
}