.certificados-form {
    max-width: 520px;
    margin: 40px auto;
    padding: 35px 30px;
    background: #ffffff;
    border-radius: 12px;
    border: 1px solid #eaeaea;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    box-sizing: border-box;
}

.certificados-form h3 {
    text-align: center;
    margin-top: 0;
    margin-bottom: 10px;
    color: #1a1a1a;
    font-size: 22px;
    font-weight: 700;
}

.certificados-form h4 {
    color: #2c3e50;
    font-size: 16px;
    margin-top: 25px;
    margin-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 8px;
}

.certificados-form p {
    margin-bottom: 20px;
    color: #666;
    font-size: 14px;
    text-align: center;
    line-height: 1.5;
}

.certificados-form input[type="text"] {
    width: 100%;
    padding: 14px 16px;
    margin-bottom: 15px;
    border: 2px solid #e1e1e1;
    border-radius: 8px;
    font-size: 15px;
    color: #333;
    background-color: #fafafa;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.certificados-form input[type="text"]:focus {
    border-color: #0073aa;
    background-color: #fff;
    outline: none;
    box-shadow: 0 0 0 4px rgba(0, 115, 170, 0.1);
}

.certificados-form button {
    width: 100%;
    padding: 14px 0;
    background-color: #0073aa;
    border: none;
    border-radius: 8px;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.1s ease;
    box-sizing: border-box;
}

.certificados-form button:hover {
    background-color: #005177;
}

.certificados-form button:active {
    transform: scale(0.98);
}

.certificados-form ul {
    list-style: none;
    padding-left: 0;
    margin: 20px 0 0;
}

.certificados-form ul li {
    background: #f8f9fa;
    margin-bottom: 12px;
    padding: 16px 18px;
    border-radius: 8px;
    border: 1px solid #e5e9ec;
    display: flex;
    flex-direction: column;
    gap: 12px;
    word-break: break-word;
    font-size: 14px;
    transition: border-color 0.2s ease;
}

.certificados-form ul li:hover {
    border-color: #cbd5e1;
}

.certificados-form ul li span {
    color: #334155;
    font-weight: 600;
}

/* Botão de Download estilizado como Pill/Badge */
.certificados-form a {
    text-decoration: none;
    background-color: #e0f2fe;
    color: #0369a1;
    font-weight: 600;
    padding: 10px 16px;
    border-radius: 6px;
    transition: all 0.2s ease;
    text-align: center;
    display: inline-block;
}

.certificados-form a:hover {
    background-color: #bae6fd;
    color: #03588c;
}

/* Alerta de erro modernizado */
.certificados-erro {
    margin-top: 20px;
    padding: 12px 16px;
    background-color: #fef2f2;
    border: 1px solid #fee2e2;
    border-radius: 8px;
    color: #991b1b !important;
    text-align: center;
    font-size: 14px;
}

.certificados-erro strong {
    color: #991b1b;
    font-weight: 600;
}

/* Responsividade para telas maiores */
@media (min-width: 600px) {
    .certificados-form ul li {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .certificados-form ul li a {
        text-align: right;
        margin-left: 20px;
    }
}