:root {
    --cor-primaria: #023c7e;
    --cor-secundaria: transparent;
    --cor-destaque: #000000;
    --cor-destaque-hover: #45c4a8;
    --cor-texto: #333;
    --cor-sombra: rgba(0, 0, 0, 0.1);
    --fonte-principal: 'Inter', sans-serif;
    --fonte-titulo: 'Poppins', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--fonte-principal);
    background-image: url('fundo.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-color: #0d1a26;
    color: var(--cor-texto);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.container {
    background-color: var(--cor-secundaria);
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.4);
    width: 100%;
    max-width: 850px;
    padding: 40px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.cabecalho {
    margin-bottom: 30px;
}

.cabecalho__imagem {
    max-width: 100px;
    margin-bottom: 15px;
}

.cabecalho__titulo {
    font-family: var(--fonte-titulo);
    font-size: 2.5rem;
    color: white;
    text-shadow: 2px 2px 5px rgba(0,0,0,0.7);
}

.formulario {
    margin-bottom: 30px;
}

.formulario__label {
    display: block;
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 15px;
    color: white;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.7);
}

.formulario__grupo {
    display: flex;
    gap: 10px;
}

.formulario__input {
    flex-grow: 1;
    padding: 12px 15px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.formulario__input:focus {
    outline: none;
    border-color: var(--cor-primaria);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
}

.botao {
    padding: 12px 25px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
}

.botao--primario {
    background-color: var(--cor-destaque);
    color: white;
}

.botao--primario:hover {
    background-color: #333;
    transform: translateY(-2px);
}

.botao--secundario {
    background-color: #ccc;
    color: var(--cor-texto);
}

.botao--secundario:hover {
    background-color: #bbb;
}

.amigos {
    margin-bottom: 30px;
}

.amigos__titulo {
    font-family: var(--fonte-titulo);
    font-size: 1.5rem;
    margin-bottom: 15px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.3);
    padding-bottom: 10px;
    color: white;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.7);
}

.amigos__lista {
    list-style: none;
    padding: 0;
}

.amigos__lista li {
    background-color: #fff;
    padding: 12px 20px;
    border-radius: 8px;
    margin-bottom: 10px;
    box-shadow: 0 2px 5px var(--cor-sombra);
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s, transform 0.2s;
    font-weight: 500;
}

.amigos__lista li:hover {
    background-color: #eb0000;
    color: white;
    transform: scale(1.02);
}

.resultado {
    margin-top: 20px;
    font-size: 1.2rem;
    line-height: 1.6;
    color: white;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.7);
    min-height: 50px;
}

.botoes-acao {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}