* { box-sizing: border-box; }
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f3f6f2;
    color: #1f2937;
    margin: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.cartao {
    background: white;
    width: 100%;
    max-width: 400px;
    border-radius: 16px;
    padding: 36px 32px;
    box-shadow: 0 4px 24px rgba(27, 94, 32, 0.08);
}
.marca { display: flex; align-items: center; gap: 8px; margin-bottom: 24px; }
.marca .pata { font-size: 26px; }
.marca span { font-weight: 700; font-size: 20px; color: #1b5e20; }
h1 { font-size: 20px; margin: 0 0 6px; color: #14532d; }
p.legenda { color: #6b7280; font-size: 14px; margin: 0 0 24px; }
label { display: block; font-size: 13px; font-weight: 600; color: #374151; margin: 14px 0 6px; }
input, select {
    width: 100%; padding: 11px 12px; border: 1px solid #d1d5db;
    border-radius: 8px; font-size: 14px; transition: border-color .15s; font-family: inherit;
}
input:focus, select:focus { outline: none; border-color: #2e7d32; }
button.principal {
    width: 100%; margin-top: 22px; padding: 12px; border: none; border-radius: 8px;
    background: #2e7d32; color: white; font-size: 15px; font-weight: 600; cursor: pointer;
    transition: background .15s;
}
button.principal:hover { background: #1b5e20; }
button.principal:disabled { background: #9ca3af; cursor: not-allowed; }
.rodape { text-align: center; margin-top: 20px; font-size: 13px; color: #6b7280; }
.rodape a { color: #2e7d32; font-weight: 600; text-decoration: none; }
.rodape a:hover { text-decoration: underline; }
.erro {
    background: #fdecea; color: #b71c1c; border: 1px solid #f5c6c3;
    padding: 10px 12px; border-radius: 8px; font-size: 13px; margin-top: 16px; display: none;
}
.sucesso {
    background: #e8f5e9; color: #1b5e20; border: 1px solid #c8e6c9;
    padding: 10px 12px; border-radius: 8px; font-size: 13px; margin-top: 16px; display: none;
}