.auth-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl) var(--space-xl) 0 var(--space-xl);
    background-color: var(--color-offwhite);
}

.auth-page > main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.auth-page .site-footer {
    width: 100%;
    margin-top: var(--space-xl);
}

.back-home {
    position: fixed;
    top: var(--space-xl);
    left: var(--space-xl);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-light);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    transition: 
        color var(--transition-normal),
        background-color var(--transition-normal);
    z-index: var(--z-sticky);
}

.back-home:hover {
    color: var(--color-primary);
    background-color: rgba(138, 154, 91, 0.1);
}

.back-home svg {
    transition: transform var(--transition-normal);
}

.back-home:hover svg {
    transform: translateX(-3px);
}

.auth-container {
    display: flex;
    align-items: stretch;
    max-width: 1000px;
    width: 100%;
    min-height: 600px;
    position: relative;
    perspective: 1500px;
}

.auth-panel {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    transition: 
        opacity var(--transition-slow),
        transform var(--transition-slow);
}

.register-panel {
    transform-origin: right center;
}

.login-panel {
    transform-origin: left center;
}

.auth-container.show-login .register-panel {
    opacity: 0;
    transform: rotateY(-90deg);
    pointer-events: none;
}

.auth-container.show-login .login-panel {
    opacity: 1;
    transform: rotateY(0);
}

.auth-container:not(.show-login) .login-panel {
    opacity: 0;
    transform: rotateY(90deg);
    pointer-events: none;
}

.auth-container:not(.show-login) .register-panel {
    opacity: 1;
    transform: rotateY(0);
}

.auth-card {
    width: 100%;
    max-width: 380px;
    padding: var(--space-xl);
    background-color: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 0% 0%, rgba(138, 154, 91, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

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

.logo-small {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin: 0 auto var(--space-md);
    background-color: var(--color-sand);
    border-radius: var(--radius-full);
}

.logo-small .logo-icon {
    width: 26px;
    height: 26px;
    color: var(--color-primary);
}

.auth-header h2 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.auth-header p {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    margin: 0 auto;
}

.auth-form {
    position: relative;
}

.auth-form .form-group {
    margin-bottom: var(--space-lg);
}

.auth-form .btn-full {
    margin-top: var(--space-lg);
}

.auth-provider-stack {
    margin-top: var(--space-lg);
}

.auth-divider {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    color: var(--color-text-muted);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
}

.auth-divider::before {
    content: '';
    position: absolute;
    inset: 50% 0 auto;
    border-top: 1px solid var(--color-border);
}

.auth-divider span {
    position: relative;
    padding: 0 var(--space-md);
    background-color: white;
}

.btn-provider {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.85rem 1rem;
    margin-bottom: var(--space-xs);
    border: 1px solid rgba(49, 66, 48, 0.12);
    border-radius: var(--radius-md);
    background-color: #fff;
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition:
        transform var(--transition-normal),
        border-color var(--transition-normal),
        box-shadow var(--transition-normal),
        background-color var(--transition-normal);
}

.btn-provider:hover {
    transform: translateY(-1px);
    border-color: rgba(138, 154, 91, 0.4);
    box-shadow: 0 12px 24px rgba(49, 66, 48, 0.08);
}

.btn-provider svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.btn-provider-secondary {
    background-color: rgba(245, 239, 230, 0.55);
}

.auth-helper-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: calc(var(--space-md) * -0.35);
    margin-bottom: var(--space-md);
}

.text-link-btn {
    background: none;
    border: none;
    padding: 0;
    color: var(--color-primary);
    font: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
}

.text-link-btn:hover {
    color: var(--color-terracotta);
}

.email-link-banner {
    margin-top: var(--space-lg);
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(138, 154, 91, 0.12), rgba(245, 239, 230, 0.85));
    border: 1px solid rgba(138, 154, 91, 0.2);
}

.email-link-banner.hidden {
    display: none;
}

.email-link-banner h3 {
    margin-bottom: var(--space-xs);
    font-size: 1rem;
}

.email-link-banner p {
    margin-bottom: var(--space-sm);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.form-group.compact {
    margin-bottom: var(--space-md);
}

.auth-switch {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.auth-switch p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin: 0;
}

.switch-btn {
    background: none;
    border: none;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    cursor: pointer;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    transition: 
        color var(--transition-normal),
        background-color var(--transition-normal);
}

.switch-btn:hover {
    color: var(--color-terracotta);
    background-color: rgba(193, 124, 84, 0.1);
}

.auth-decoration {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.deco-leaf {
    position: absolute;
    opacity: 0.3;
}

.deco-leaf-1 {
    width: 200px;
    height: 200px;
    top: -50px;
    right: 10%;
    animation: floatDecor 10s ease-in-out infinite;
}

.deco-leaf-2 {
    width: 150px;
    height: 150px;
    bottom: 5%;
    left: 5%;
    animation: floatDecor 12s ease-in-out infinite;
    animation-delay: -3s;
}

@keyframes floatDecor {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

@media (max-width: 900px) {
    .auth-container {
        flex-direction: column;
        min-height: auto;
    }
    
    .auth-panel {
        position: relative;
        min-height: 100vh;
    }
    
    
    .auth-container.show-login .register-panel,
    .auth-container:not(.show-login) .login-panel {
        position: absolute;
        transform: none;
        opacity: 0;
        pointer-events: none;
    }
    
    .auth-container.show-login .login-panel,
    .auth-container:not(.show-login) .register-panel {
        transform: none;
        opacity: 1;
        pointer-events: auto;
    }

    .auth-card {
        max-width: 460px;
    }
}

@media (max-width: 480px) {
    .auth-page {
        padding: var(--space-md);
        padding-top: 80px;
        align-items: stretch;
    }
    
    .back-home {
        top: var(--space-md);
        left: var(--space-md);
        padding: var(--space-xs) var(--space-sm);
        font-size: 0.75rem;
    }
    
    .back-home span {
        display: none;
    }
    
    .auth-card {
        padding: var(--space-lg);
    }

    .auth-panel {
        padding: var(--space-lg) 0;
        min-height: 100dvh;
    }
    
    .auth-header h2 {
        font-size: 1.5rem;
    }
    
    .auth-header p {
        font-size: 0.875rem;
    }
    
    .logo-small .logo-icon {
        width: 36px;
        height: 36px;
    }
    
    .form-group label {
        font-size: 0.8125rem;
    }
    
    .btn-full {
        padding: var(--space-md);
    }
    
    .auth-switch {
        flex-direction: column;
        gap: var(--space-xs);
    }
    
    .auth-switch p {
        font-size: 0.875rem;
    }
    
    .deco-leaf-1,
    .deco-leaf-2 {
        display: none;
    }
}