* {
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background-color: #f4f7f6;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.login-container {
    background: #ffffff;
    padding: 30px 40px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.input-group {
    margin-bottom: 15px;
    text-align: left;
}

.input-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.input-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.btn-primario {
    width: 100%;
    padding: 12px;
    background-color: #1a73e8;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    margin-top: 10px;
}

.btn-primario:hover {
    background-color: #1557b0;
}

.erro-oculto {
    display: none;
    color: red;
    font-size: 14px;
    margin-bottom: 10px;
}

/* --- Estilos do Painel --- */
.painel-header {
    background-color: #1a73e8;
    color: white;
    padding: 15px 20px;
}

.header-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-container h2 { margin: 0; }

.btn-sair {
    background: transparent;
    color: white;
    border: 1px solid white;
    padding: 5px 15px;
    border-radius: 4px;
    cursor: pointer;
    margin-left: 15px;
}

.btn-sair:hover { background: rgba(255,255,255,0.1); }

.painel-main {
    max-width: 800px;
    margin: 20px auto;
    padding: 0 15px;
}

/* Abas */
.abas-nav {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.btn-aba {
    flex: 1;
    padding: 12px;
    border: none;
    background: #e0e0e0;
    cursor: pointer;
    font-weight: bold;
    border-radius: 4px;
}

.btn-aba.ativo {
    background: #1a73e8;
    color: white;
}

.secao { display: none; }
.secao.ativo { display: block; }

.cabecalho-secao {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.btn-pequeno { width: auto; padding: 8px 15px; margin: 0; }

/* Cartões de Jogos */
.grid-jogos {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 15px;
}

.cartao-jogo {
    background: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    text-align: center;
}

.info-jogo {
    font-size: 12px;
    color: #666;
    margin-bottom: 10px;
}

.placar-linha {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.time-nome {
    font-weight: bold;
    width: 80px;
}

.input-placar {
    width: 50px;
    height: 40px;
    text-align: center;
    font-size: 18px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.input-placar:disabled { background: #f0f0f0; }

/* Tabela de Ranking */
.tabela-responsiva { overflow-x: auto; }
.tabela-ranking {
    width: 100%;
    border-collapse: collapse;
    background: white;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.tabela-ranking th, .tabela-ranking td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.tabela-ranking th { background: #f8f9fa; }

/* --- Estilos do Admin --- */
.btn-encerrar {
    background-color: #d32f2f;
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    margin-top: 10px;
    width: 100%;
}

.btn-encerrar:hover { background-color: #b71c1c; }

.btn-acao-usuario {
    background-color: #388e3c;
    color: white;
    border: none;
    padding: 6px 10px;
    border-radius: 4px;
    cursor: pointer;
}

.btn-acao-usuario:hover { background-color: #2e7d32; }

.input-tabela {
    width: 100%;
    max-width: 150px;
    padding: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
}