* { box-sizing: border-box; }
body {
    font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
    background: #0f172a;
    color: #e2e8f0;
    margin: 0;
    padding: 0;
}
.container {
    max-width: 720px;
    margin: 40px auto;
    background: #1e293b;
    padding: 32px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}
h1 { color: #38bdf8; margin-top: 0; }
h2 { color: #7dd3fc; }
a { color: #38bdf8; text-decoration: none; }
a:hover { text-decoration: underline; }
label { display: block; margin-top: 14px; font-weight: 600; }
input, select, textarea {
    width: 100%;
    padding: 10px;
    margin-top: 4px;
    border-radius: 8px;
    border: 1px solid #334155;
    background: #0f172a;
    color: #e2e8f0;
    font-family: inherit;
}
button, .btn {
    display: inline-block;
    margin-top: 18px;
    padding: 12px 20px;
    background: #38bdf8;
    color: #0f172a;
    border: none;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
}
.btn.secundario {
    background: transparent;
    border: 1px solid #38bdf8;
    color: #38bdf8;
    margin-left: 8px;
}
.erro { color: #f87171; }
.ok { color: #4ade80; }
.aviso { color: #facc15; }
.hero { text-align: center; }
.dia {
    background: #0f172a;
    border-left: 4px solid #38bdf8;
    padding: 16px;
    border-radius: 8px;
    margin-top: 18px;
}
ul { padding-left: 20px; }
table th, table td { padding: 8px 6px; }

@media print {
    body { background: #fff !important; color: #000 !important; }
    .container { box-shadow: none !important; background: #fff !important; color: #000 !important; }
    .btn, button { display: none !important; }
    .dia { border-left-color: #333 !important; background: #f5f5f5 !important; }
    h1, h2 { color: #000 !important; }
    a { color: #000 !important; text-decoration: none !important; }
}