body {
    font-family: Arial, sans-serif;
    background-color: #1a1a1a; /* Fundo principal */
    color: #f5f5dc; /* Texto principal */
    margin: 0;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
}

.container {
    background-color: #2a2a2a; /* Fundo dos cards */
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
    max-width: 600px;
    width: 100%;
    box-sizing: border-box;
}

h1, h2, h3 {
    color: #d4af37; /* Dourado para títulos */
    text-align: center;
}

p {
    text-align: center;
}

.tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.tab-button {
    background-color: #3a3a3a; /* Cor secundária */
    color: #f5f5dc;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    border-radius: 5px;
    margin: 0 5px;
    transition: background-color 0.3s ease;
}

.tab-button.active {
    background-color: #ff6b35; /* Laranja para aba ativa */
}

.tab-button:hover {
    background-color: #5a5a5a;
}

.tab-button.active:hover {
    background-color: #e55a2b;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.card {
    background-color: #2a2a2a;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid #4a4a4a;
}

.checkbox-group, .input-group, .final-check {
    margin-bottom: 10px;
}

.checkbox-group input[type="text"] {
    width: calc(100% - 40px); /* Ajuste para o checkbox */
    padding: 8px;
    border: 1px solid #4a4a4a;
    border-radius: 4px;
    background-color: #3a3a3a;
    color: #f5f5dc;
    box-sizing: border-box;
    margin-right: 10px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    color: #f5f5dc;
}

.checkbox-label input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    width: 22px;
    height: 22px;
    border: 3px solid #d4af37; /* Borda dourada para não marcado */
    background-color: #2a2a2a; /* Fundo escuro para não marcado */
    border-radius: 6px;
    margin-right: 10px;
    cursor: pointer;
    position: relative;
    flex-shrink: 0;
}

.checkbox-label input[type="checkbox"]:checked {
    background-color: #ff6b35; /* Laranja para marcado */
    border-color: #ff6b35; /* Borda laranja para marcado */
}

.checkbox-label input[type="checkbox"]:checked::after {
    content: '\2713'; /* Checkmark */
    color: #f5f5dc;
    font-size: 16px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.checkbox-label input[type="checkbox"]:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.5); /* Sombra de foco dourada */
}

.input-group label {
    display: block;
    margin-bottom: 5px;
    color: #f5f5dc;
}

.input-group input[type="number"], 
.input-group textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid #4a4a4a;
    border-radius: 4px;
    background-color: #3a3a3a;
    color: #f5f5dc;
    box-sizing: border-box;
}

textarea {
    resize: vertical;
    min-height: 60px;
}

.button-primary {
    background-color: #d4af37; /* Dourado para botão primário */
    color: #1a1a1a;
    border: none;
    padding: 12px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    width: 100%;
    box-sizing: border-box;
    transition: background-color 0.3s ease;
}

.button-primary:hover {
    background-color: #f4d03f; /* Dourado mais claro no hover */
}

/* Estilos para a aba de progresso */
#progress-summary p {
    text-align: left;
    margin-bottom: 5px;
}

canvas {
    background-color: #3a3a3a;
    border-radius: 8px;
    padding: 10px;
}

#history-list {
    background-color: #3a3a3a;
    padding: 15px;
    border-radius: 8px;
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid #4a4a4a;
}

.history-item {
    border-bottom: 1px solid #4a4a4a;
    padding: 10px 0;
}

.history-item:last-child {
    border-bottom: none;
}

/* Responsividade */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    .tab-button {
        padding: 8px 15px;
        font-size: 14px;
    }
    .checkbox-group input[type="text"] {
        width: calc(100% - 35px);
    }
    .checkbox-label input[type="checkbox"] {
        width: 20px;
        height: 20px;
    }
    .checkbox-label input[type="checkbox"]:checked::after {
        font-size: 14px;
    }
}