.auth {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    position: relative;
    overflow: hidden;
}

.auth__container {
    max-width: 480px;
    width: 100%;
    position: relative;
    z-index: 1;
}

.auth__logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-primary);
    margin-bottom: var(--space-xl);
}

.auth__content {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    border: 1px solid var(--color-border);
    box-shadow: 0 20px 60px var(--color-shadow);
}

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

.auth__title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: var(--space-sm);
}

.auth__subtitle {
    color: var(--color-text-secondary);
}

.auth__form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

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

.form-label {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-text);
}

.form-input, .form-select {
    padding: var(--space-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    color: var(--color-text);
    background: var(--color-bg);
    transition: all var(--transition-base);
}

.form-input:focus, .form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

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

.btn--full {
    width: 100%;
}

.auth__link {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.auth__link:hover {
    color: var(--color-primary);
}

.auth__link--primary {
    color: var(--color-primary);
    font-weight: 600;
}

.auth__link--primary:hover {
    text-decoration: underline;
}

.auth__footer {
    margin-top: var(--space-lg);
    text-align: center;
    color: var(--color-text-secondary);
}

.auth__decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.auth__decoration-circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.08;
    animation: float 20s infinite ease-in-out;
}

.auth__decoration-circle--1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    top: -200px;
    left: -200px;
    animation-duration: 25s;
}

.auth__decoration-circle--2 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-success));
    bottom: -150px;
    right: -150px;
    animation-duration: 30s;
    animation-delay: 5s;
}

.auth__decoration-circle--3 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--color-success), var(--color-primary));
    top: 50%;
    left: -100px;
    animation-duration: 35s;
    animation-delay: 10s;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.form-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.form-checkbox label {
    cursor: pointer;
    user-select: none;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

@media (max-width: 480px) {
    .auth__content {
        padding: var(--space-lg);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}