:root {
    --dourado: #d9a416;
    --dourado-escuro: #b8890c;
    --dourado-claro: #f4c542;
    --cinza-fundo: #f4f6f8;
    --cinza-borda: #d9e0e6;
    --texto: #1a202c;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    background: var(--cinza-fundo);
    color: var(--texto);
}

.topo {
    background: var(--dourado);
    color: white;
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.marca { font-weight: 600; display: flex; align-items: center; gap: 10px; }
.logo-topo { height: 32px; width: auto; display: block; }

.usuario-info {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.9em;
}

.botao-sair {
    color: white;
    background: rgba(255,255,255,0.15);
    padding: 6px 12px;
    border-radius: 4px;
    text-decoration: none;
}
.botao-sair:hover { background: rgba(255,255,255,0.28); }

.conteudo {
    max-width: 1100px;
    margin: 24px auto;
    padding: 0 20px;
}

.rodape {
    text-align: center;
    font-size: 0.8em;
    color: #667;
    padding: 20px;
}

.avisos {
    background: #fff3cd;
    border: 1px solid #ffe08a;
    color: #7a5200;
    padding: 10px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
}

.caixa-login {
    max-width: 380px;
    margin: 60px auto;
    background: white;
    padding: 32px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}
.caixa-login h1 { margin-top: 0; }
.logo-login { display: block; height: 90px; width: auto; margin: 0 auto 16px; }
.subtitulo { color: #667; font-size: 0.9em; margin-bottom: 20px; }

form label {
    display: block;
    margin-top: 12px;
    margin-bottom: 4px;
    font-size: 0.9em;
    font-weight: 600;
}

form input[type="text"], form input[type="password"] {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--cinza-borda);
    border-radius: 6px;
    font-size: 1em;
}

button, .botao {
    display: inline-block;
    background: var(--dourado);
    color: white;
    border: none;
    padding: 10px 18px;
    border-radius: 6px;
    font-size: 0.95em;
    cursor: pointer;
    text-decoration: none;
    margin-top: 16px;
}
button:hover, .botao:hover { background: var(--dourado-escuro); }

.form-busca {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}
.form-busca input { flex: 1; padding: 10px; border: 1px solid var(--cinza-borda); border-radius: 6px; }
.form-busca button { margin-top: 0; }

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    margin-bottom: 24px;
    font-size: 0.9em;
}
th, td {
    border: 1px solid var(--cinza-borda);
    padding: 8px 10px;
    text-align: left;
}
th { background: #eef2f6; }

.ficha-estudante h2 { margin-bottom: 4px; }
.numero { color: #667; font-weight: normal; }

.botoes-exportar { margin: 14px 0 20px; display: flex; gap: 10px; }