body {
    font-family: 'Cairo', sans-serif;
    background: var(--gray-100);
    min-height: 100vh;
}

.auth-container {
    min-height: 100vh;
    display: flex;
}

.auth-sidebar {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-main) 100%);
    color: white;
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

    .auth-sidebar::before {
        content: '';
        position: absolute;
        top: -50%;
        left: -50%;
        width: 200%;
        height: 200%;
        background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
        background-size: 50px 50px;
        animation: moveBackground 20s linear infinite;
    }

@keyframes moveBackground {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(50px, 50px);
    }
}

.auth-sidebar-content {
    position: relative;
    z-index: 1;
}

.auth-logo {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.auth-illustration {
    width: 100%;
    max-width: 400px;
    margin: 2rem 0;
    opacity: 0.9;
}

.auth-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: var(--gray-50);
}

.auth-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 3rem;
    width: 100%;
    max-width: 480px;
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.form-floating > label {
    right: 0;
    left: auto;
    padding-right: 0.75rem;
}

.form-floating > .form-control {
    padding-right: 0.75rem;
    padding-left: 0.75rem;
}

.form-control {
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    padding: 0.75rem;
    font-size: 0.95rem;
    transition: all 0.2s;
}

    .form-control:focus {
        border-color: var(--primary-main);
        box-shadow: 0 0 0 3px var(--primary-lighter);
    }

.btn-primary {
    background: var(--primary-main);
    border: none;
    padding: 0.875rem 1.5rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

    .btn-primary:hover {
        background: var(--primary-dark);
        transform: translateY(-1px);
        box-shadow: 0 4px 12px rgba(32, 101, 209, 0.3);
    }

.form-check-input {
    border: 2px solid var(--gray-300);
    border-radius: 4px;
    width: 1.25rem;
    height: 1.25rem;
    margin-left: 0.5rem;
}

    .form-check-input:checked {
        background-color: var(--primary-main);
        border-color: var(--primary-main);
    }

.auth-links {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray-200);
}

.auth-link {
    color: var(--primary-main);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
    font-size: 0.9rem;
}

    .auth-link:hover {
        color: var(--primary-dark);
        text-decoration: underline;
    }

.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 1.5rem 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

    .divider::before,
    .divider::after {
        content: '';
        flex: 1;
        border-bottom: 1px solid var(--gray-300);
    }

    .divider::before {
        margin-left: 1rem;
    }

    .divider::after {
        margin-right: 1rem;
    }

.external-login-btn {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--gray-300);
    background: white;
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: all 0.2s;
    margin-bottom: 0.75rem;
}

    .external-login-btn:hover {
        background: var(--gray-50);
        border-color: var(--primary-main);
        transform: translateY(-1px);
    }
/* Password Strength Indicator */
.password-strength {
    height: 4px;
    background: var(--gray-200);
    border-radius: 2px;
    margin-top: 0.5rem;
    overflow: hidden;
    transition: all 0.3s;
}

.password-strength-bar {
    height: 100%;
    width: 0;
    transition: all 0.3s;
    border-radius: 2px;
}

    .password-strength-bar.weak {
        width: 33%;
        background: var(--error-main);
    }

    .password-strength-bar.medium {
        width: 66%;
        background: var(--warning-main);
    }

    .password-strength-bar.strong {
        width: 100%;
        background: var(--success-main);
    }

/* Enhanced Input States */
.form-control.is-valid {
    border-color: var(--success-main);
    background-image: none;
}

.form-control.is-invalid {
    border-color: var(--error-main);
    background-image: none;
}

/* Loading State for Submit Button */
.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

    .btn-loading::after {
        content: '';
        position: absolute;
        width: 16px;
        height: 16px;
        top: 50%;
        left: 50%;
        margin-left: -8px;
        margin-top: -8px;
        border: 2px solid white;
        border-radius: 50%;
        border-top-color: transparent;
        animation: spinner 0.6s linear infinite;
    }

@keyframes spinner {
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 991px) {
    .auth-sidebar {
        display: none;
    }

    .auth-card {
        padding: 2rem;
    }
}

@media (max-width: 576px) {
    .auth-card {
        padding: 1.5rem;
    }

    .auth-title {
        font-size: 1.5rem;
    }
}