:root {
    --accent-blue: #2563eb;
    --accent-blue-dark: #1d4ed8;
}

body {
    background: #f1f5f9;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.auth-card {
    display: flex;
    width: 100%;
    max-width: 900px;
    background: #fff;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.12);
}

.auth-brand-panel {
    flex: 1 1 45%;
    background: linear-gradient(160deg, var(--accent-blue), var(--accent-blue-dark));
    color: #fff;
    padding: 3rem 2.5rem;
    flex-direction: column;
    justify-content: center;
}

.brand-logo {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.brand-features {
    list-style: none;
    padding: 0;
    margin-top: 1.5rem;
}

.brand-features li {
    margin-bottom: 0.75rem;
    opacity: 0.95;
}

.brand-features li i {
    margin-right: 0.5rem;
}

.auth-form-panel {
    flex: 1 1 55%;
    padding: 2.5rem;
}

.mobile-logo {
    text-align: center;
    margin-bottom: 1.5rem;
}

.auth-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid #e2e8f0;
}

.auth-tab-btn {
    flex: 1;
    background: none;
    border: none;
    padding: 0.75rem;
    font-weight: 600;
    color: #94a3b8;
    border-bottom: 2px solid transparent;
    cursor: pointer;
}

.auth-tab-btn.active {
    color: var(--accent-blue);
    border-bottom-color: var(--accent-blue);
}

.input-icon {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: #94a3b8;
}

.btn-auth {
    padding: 0.75rem;
    font-weight: 600;
    border: none;
    border-radius: 0.5rem;
    color: #fff;
}

.btn-login,
.btn-register {
    background: var(--accent-blue);
}

.btn-login:hover,
.btn-register:hover {
    background: var(--accent-blue-dark);
    color: #fff;
}

.auth-footer {
    text-align: center;
    padding: 1.5rem;
    color: #94a3b8;
    font-size: 0.85rem;
}

@media (max-width: 767px) {
    .auth-card {
        flex-direction: column;
    }
}