* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    background: linear-gradient(135deg, #1e3a5f 0%, #2c5386 100%);
    min-height: 100vh;
    color: #fff;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

header {
    text-align: center;
    padding: 30px 20px;
}

header h1 {
    font-size: 2rem;
    margin-bottom: 10px;
}

header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.card {
    background: #fff;
    color: #1e3a5f;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 25px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

.card h2 {
    color: #1e3a5f;
    margin-bottom: 15px;
    border-bottom: 2px solid #2c5386;
    padding-bottom: 10px;
}

.card p {
    margin-bottom: 15px;
    line-height: 1.6;
}

.botoes {
    justify-content: center; 
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 25px;
}

.btn {
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.btn-principal {
    background: #28a745;
    color: #fff;
}

.btn-secundario {
    background: #17a2b8;
    color: #fff;
}

.btn-voltar {
    background: #6c757d;
    color: #fff;
}

.btn-proxima {
    background: #007bff;
    color: #fff;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

input, button {
    padding: 10px 14px;
    border: 2px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    margin: 5px 0;
}

input:focus {
    outline: none;
    border-color: #2c5386;
}

.dica {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 12px;
    margin: 15px 0;
    color: #856404;
    border-radius: 4px;
}

.mensagem {
    padding: 12px;
    border-radius: 6px;
    margin: 15px 0;
    font-weight: bold;
}

.sucesso {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.erro {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.codigo-mensagem {
    font-size: 1.3rem;
    font-weight: bold;
    background: #e9ecef;
    padding: 15px;
    border-radius: 6px;
    text-align: center;
    letter-spacing: 2px;
    margin: 15px 0;
}

.podio {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 15px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.podio-item {
    text-align: center;
    padding: 15px;
    border-radius: 8px;
    width: 120px;
}

.ouro {
    background: linear-gradient(to bottom, #ffd700, #f0c800);
    order: 2;
    height: 140px;
}

.prata {
    background: linear-gradient(to bottom, #c0c0c0, #a8a8a8);
    order: 1;
    height: 110px;
}

.bronze {
    background: linear-gradient(to bottom, #cd7f32, #b8702c);
    order: 3;
    height: 90px;
}

.tabela {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.tabela th, .tabela td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.tabela th {
    background: #2c5386;
    color: #fff;
}

.progresso {
    background: #e9ecef;
    border-radius: 20px;
    height: 10px;
    margin: 10px 0;
}

.progresso-barra {
    background: #28a745;
    height: 100%;
    border-radius: 20px;
    transition: width 0.3s ease;
}

.fase-info {
    background: #e7f3ff;
    border-left: 4px solid #007bff;
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 4px;
}

.oculto {
    display: none;
}