/* === Estilo general === */
body {
    font-family: "Segoe UI", "Poppins", sans-serif;
    background-color: #f5f7fa; /* Fondo claro y profesional */
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

/* === Contenedor principal del login === */
.login-container {
    background-color: #ffffff;
    width: 400px;
    padding: 40px 35px;
    border-radius: 16px;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.3s ease;
}

    .login-container:hover {
        box-shadow: 0 6px 22px rgba(0, 0, 0, 0.12);
    }

/* === Logo del sistema === */
.logo-pos {
    width: 90px;
    margin-bottom: 12px;
}

/* === Título del formulario === */
.login-container h2 {
    color: #1e2a38;
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 25px;
}

/* === Campos de entrada === */
.login-container label {
    display: block;
    text-align: left;
    font-weight: 500;
    color: #34495e;
    margin-bottom: 5px;
    font-size: 0.95rem;
}

.login-container input[type="text"],
.login-container input[type="password"] {
    width: 100%;
    padding: 12px;
    margin-bottom: 20px;
    border: 1.5px solid #d0d7de;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.25s ease;
    background-color: #fafbfc;
}

.login-container input:focus {
    border-color: #0078d7;
    box-shadow: 0 0 0 3px rgba(0, 120, 215, 0.15);
    outline: none;
}

/* === Botón de inicio de sesión === */
.login-container button {
    width: 100%;
    background-color: #0078d7;
    color: #ffffff;
    border: none;
    padding: 12px;
    font-size: 1rem;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.25s ease;
}

    .login-container button:hover {
        background-color: #005ea6;
    }

/* === Mensaje de error === */
.error-message {
    background-color: rgba(255, 0, 0, 0.08);
    color: #b3261e;
    border-left: 4px solid #b3261e;
    padding: 10px;
    border-radius: 8px;
    margin-top: 15px;
    font-size: 0.9rem;
    text-align: left;
}

/* === Pie de página opcional === */
.login-footer {
    margin-top: 15px;
    color: #6c757d;
    font-size: 0.85rem;
}

/* === Adaptación para móviles === */
@media (max-width: 480px) {
    .login-container {
        width: 90%;
        padding: 30px 20px;
    }
}