/* ===== TEMA DARK - AZUL NEON ===== */

body {
    background-color: #030712;         /* quase preto, levemente azulado */
    color: #e5f2ff;
    font-family: 'Inter', sans-serif;
}

/* fundo geral da tela */
.login-container {
    min-height: 100vh;
    background: radial-gradient(circle at top left, #1d4ed8 0, #030712 55%);
}

/* lado do texto */
.text-side {
    background: none;
    color: #7dd3fc;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
}

.text-box {
    max-width: 80%;
    /*margin-top: 200px;*/
    color: #bae6fd;
}

.text-box h1 {
    font-size: 2rem;
    font-weight: 600;
    color: #38bdf8;        /* azul neon mais vivo */
}

.text-box p {
    margin-top: 1rem;
    font-size: 1.1rem;
}

/* caixa do login */
.login-box {
    background: #020617;
    border: 1px solid #1e293b;
    color: #e5f2ff;
    box-shadow: 0 18px 45px rgba(56, 189, 248, 0.35);
}

/* labels */
label {
    color: #e0f2fe;
}

/* inputs */
.form-control {
    background-color: #020617;
    color: #e5f2ff;
    border: 1px solid #1e293b;
}

.form-control::placeholder {
    color: #64748b;
}

.form-control:focus {
    border-color: #38bdf8;
    box-shadow: 0 0 10px rgba(56, 189, 248, 0.6);
}

/* links */
a {
    color: #38bdf8;
}

a:hover {
    color: #7dd3fc;
    text-decoration: underline;
}

/* botão principal */
.btn-custom {
    background: linear-gradient(90deg, #0ea5e9, #38bdf8);
    color: #020617;
    border: none;
    font-weight: 600;
}

.btn-custom:hover {
    background: linear-gradient(90deg, #38bdf8, #0ea5e9);
}

/* mensagem de erro */
.alert-danger {
    background-color: rgba(15, 23, 42, 0.9);
    color: #fee2e2;
    border: 1px solid #f87171;
}

.versao-sistema{
    position: fixed;
    right: 15px;
    bottom: 10px;
    font-size: 0.75rem;
    color: #6c757d;
    opacity: 0.85;
    z-index: 9999;
    user-select: none;
}