:root {
    --qiq-dark: #0f172a;
    --qiq-bg: #f8fafc;
    --qiq-text-muted: #64748b;
    --qiq-primary: #C9A24D;
}

body {
    background-color: var(--qiq-bg);
    color: var(--qiq-dark);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
}

.register-card {
    width: 100%;
    max-width: 600px;
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

.card-header-custom {
    background-color: var(--qiq-dark);
    color: white;
    text-align: center;
    padding: 2.5rem 1rem;
}

    .card-header-custom h1 {
        font-size: 2.25rem;
        font-weight: 700;
        margin-bottom: 0.5rem;
        letter-spacing: -0.025em;
        color: var(--qiq-primary);
    }

    .card-header-custom p {
        opacity: 0.8;
        font-size: 1rem;
        color: var(--qiq-bg);
    }

.card-body-custom {
    padding: 2.5rem;
}

.form-label {
    font-weight: 600;
    font-size: 0.870rem;
    margin-bottom: 0.5rem;
    color: var(--qiq-dark);
}

.form-control {
    padding: 0.75rem 1rem;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
    font-size: 0.95rem;
}

    .form-control:focus {
        box-shadow: 0 0 0 2px rgba(15, 23, 42, 0.1);
        border-color: var(--qiq-dark);
    }

.btn-create {
    background-color: var(--qiq-dark);
    color: white;
    width: 100%;
    padding: 0.875rem;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1rem;
    margin-top: 1rem;
    border: none;
}

    .btn-create:hover {
        background-color: #1e293b;
    }

.social-icons a {
    color: white;
    font-size: 1.25rem;
    margin-left: 1rem;
    background: rgba(255,255,255,0.1);
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.2s;
}

    .social-icons a:hover {
        background: rgba(255,255,255,0.2);
    }

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