:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --bg-light: #f8fafc;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --white: #ffffff;
    --border-color: #e2e8f0;
    --radius-lg: 1rem;
    --radius-md: 0.75rem;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Split Layout */
.auth-wrapper {
    display: flex;
    min-height: 100vh;
}

.auth-banner-side {
    flex: 1;
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    color: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 4rem;
    position: relative;
    overflow: hidden;
}

.auth-banner-side::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.auth-form-side {
    width: 100%;
    max-width: 600px;
    background-color: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 4rem;
}

@media (max-width: 991.98px) {
    .auth-banner-side {
        display: none;
    }
    .auth-form-side {
        max-width: 100%;
        padding: 2rem;
    }
}

/* Auth Card */
.auth-card {
    border: none;
    background: transparent;
}

.auth-card-title {
    font-weight: 700;
    font-size: 1.875rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.auth-card-subtitle {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

/* Form Inputs */
.form-label {
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.form-control {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    font-size: 0.9375rem;
    transition: all 0.2s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.input-group-text {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    cursor: pointer;
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-social {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--text-main);
    transition: all 0.2s ease;
    margin-bottom: 0.75rem;
}

.btn-social:hover {
    background-color: var(--bg-light);
    border-color: var(--border-color);
}

/* Password Strength */
.progress-strength {
    height: 4px;
    margin-top: 0.5rem;
}

.strength-text {
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

/* Navigation Links */
.auth-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.auth-link:hover {
    text-decoration: underline;
}

/* Banner Content */
.banner-logo {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.banner-title {
    font-weight: 700;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.banner-features {
    list-style: none;
    padding: 0;
    margin-top: 2rem;
}

.banner-feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.banner-feature-item i {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
}

.trust-indicators {
    margin-top: auto;
    padding-top: 4rem;
}

.trust-text {
    font-size: 0.875rem;
    opacity: 0.8;
    margin-bottom: 1rem;
}

.trust-logos {
    display: flex;
    gap: 2rem;
    opacity: 0.6;
}

/* Animations */
.fade-in-up {
    animation: fadeInUp 0.5s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* OTP Inputs */
.otp-inputs {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
}

.otp-input {
    width: 3.5rem;
    height: 4rem;
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: var(--radius-md);
}