:root {
    --copa-verde: #009739;
    --copa-amarelo: #FEDD00;
    --copa-azul: #012169;
}

body {
    min-height: 100vh;
    font-family: 'Poppins', sans-serif;
    background: url('/img/capa.gif') center center / cover no-repeat fixed;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

    body::before {
        content: '';
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,.55);
        backdrop-filter: blur(2px);
    }

.login-card {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 450px;
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,.45);
}

.login-header {
    background: linear-gradient(135deg,var(--copa-verde),#00b347);
    text-align: center;
    padding: 30px 20px;
    border-bottom: 5px solid var(--copa-amarelo);
}

.login-logo {
    margin-bottom: 15px;
}

    .login-logo img {
        width: 120px;
        max-width: 100%;
        height: auto;
        filter: drop-shadow(0 4px 12px rgba(0,0,0,.25));
    }

.login-header h1 {
    color: #fff;
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0;
}

.login-header p {
    color: rgba(255,255,255,.9);
    margin-top: 8px;
}

.login-body {
    padding: 30px;
}

.form-label {
    font-weight: 700;
    color: var(--copa-azul);
}

.form-control {
    border-radius: 12px;
    border: 2px solid #e5e7eb;
    padding: 12px;
}

    .form-control:focus {
        border-color: var(--copa-verde);
        box-shadow: 0 0 0 .25rem rgba(0,151,57,.15);
    }

.input-group-text {
    background: #f8f9fa;
}

.btn-login {
    width: 100%;
    background: var(--copa-verde);
    color: #fff;
    border: none;
    border-radius: 30px;
    padding: 12px;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(0,151,57,.3);
    transition: all .2s ease;
}

    .btn-login:hover {
        background: #008530;
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(0,151,57,.45);
    }

    .btn-login:focus,
    .btn-login:active {
        background: #008530 !important;
        color: #fff !important;
        box-shadow: 0 0 0 .25rem rgba(0,151,57,.2);
    }

.erro-cpf {
    display: none;
    color: #dc3545;
    font-size: .85rem;
    margin-top: 5px;
}

.login-footer {
    text-align: center;
    color: #666;
    margin-top: 20px;
    font-size: .9rem;
}

.login-alert {
    background: #ffe5e5;
    border-left: 4px solid #dc3545;
    color: #8b0000;
    padding: 12px 15px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-weight: 600;
}

    .login-alert ul {
        margin: 0;
        padding-left: 20px;
    }

    .login-alert li {
        list-style: none;
    }


.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.75);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 99999;
    backdrop-filter: blur(3px);
}

.loading-box {
    text-align: center;
    color: #fff;
}

    .loading-box .spinner-border {
        width: 4rem;
        height: 4rem;
    }

.loading-text {
    margin-top: 15px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--copa-amarelo);
}